Upload 8 files

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+volve_dualhead_model.keras filter=lfs diff=lfs merge=lfs -text

Model0.ipynb

@@ -0,0 +1,1361 @@
+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "provenance": []
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    },
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 72
+        },
+        "id": "fWDlrdFPI2FD",
+        "outputId": "99718d98-50a4-47d8-ed4a-8b0c73bbd9d1"
+      },
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "<IPython.core.display.HTML object>"
+            ],
+            "text/html": [
+              "\n",
+              "     <input type=\"file\" id=\"files-1e989d4f-9266-4c33-89ee-81779bfa736b\" name=\"files[]\" multiple disabled\n",
+              "        style=\"border:none\" />\n",
+              "     <output id=\"result-1e989d4f-9266-4c33-89ee-81779bfa736b\">\n",
+              "      Upload widget is only available when the cell has been executed in the\n",
+              "      current browser session. Please rerun this cell to enable.\n",
+              "      </output>\n",
+              "      <script>// Copyright 2017 Google LLC\n",
+              "//\n",
+              "// Licensed under the Apache License, Version 2.0 (the \"License\");\n",
+              "// you may not use this file except in compliance with the License.\n",
+              "// You may obtain a copy of the License at\n",
+              "//\n",
+              "//      http://www.apache.org/licenses/LICENSE-2.0\n",
+              "//\n",
+              "// Unless required by applicable law or agreed to in writing, software\n",
+              "// distributed under the License is distributed on an \"AS IS\" BASIS,\n",
+              "// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n",
+              "// See the License for the specific language governing permissions and\n",
+              "// limitations under the License.\n",
+              "\n",
+              "/**\n",
+              " * @fileoverview Helpers for google.colab Python module.\n",
+              " */\n",
+              "(function(scope) {\n",
+              "function span(text, styleAttributes = {}) {\n",
+              "  const element = document.createElement('span');\n",
+              "  element.textContent = text;\n",
+              "  for (const key of Object.keys(styleAttributes)) {\n",
+              "    element.style[key] = styleAttributes[key];\n",
+              "  }\n",
+              "  return element;\n",
+              "}\n",
+              "\n",
+              "// Max number of bytes which will be uploaded at a time.\n",
+              "const MAX_PAYLOAD_SIZE = 100 * 1024;\n",
+              "\n",
+              "function _uploadFiles(inputId, outputId) {\n",
+              "  const steps = uploadFilesStep(inputId, outputId);\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  // Cache steps on the outputElement to make it available for the next call\n",
+              "  // to uploadFilesContinue from Python.\n",
+              "  outputElement.steps = steps;\n",
+              "\n",
+              "  return _uploadFilesContinue(outputId);\n",
+              "}\n",
+              "\n",
+              "// This is roughly an async generator (not supported in the browser yet),\n",
+              "// where there are multiple asynchronous steps and the Python side is going\n",
+              "// to poll for completion of each step.\n",
+              "// This uses a Promise to block the python side on completion of each step,\n",
+              "// then passes the result of the previous step as the input to the next step.\n",
+              "function _uploadFilesContinue(outputId) {\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  const steps = outputElement.steps;\n",
+              "\n",
+              "  const next = steps.next(outputElement.lastPromiseValue);\n",
+              "  return Promise.resolve(next.value.promise).then((value) => {\n",
+              "    // Cache the last promise value to make it available to the next\n",
+              "    // step of the generator.\n",
+              "    outputElement.lastPromiseValue = value;\n",
+              "    return next.value.response;\n",
+              "  });\n",
+              "}\n",
+              "\n",
+              "/**\n",
+              " * Generator function which is called between each async step of the upload\n",
+              " * process.\n",
+              " * @param {string} inputId Element ID of the input file picker element.\n",
+              " * @param {string} outputId Element ID of the output display.\n",
+              " * @return {!Iterable<!Object>} Iterable of next steps.\n",
+              " */\n",
+              "function* uploadFilesStep(inputId, outputId) {\n",
+              "  const inputElement = document.getElementById(inputId);\n",
+              "  inputElement.disabled = false;\n",
+              "\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  outputElement.innerHTML = '';\n",
+              "\n",
+              "  const pickedPromise = new Promise((resolve) => {\n",
+              "    inputElement.addEventListener('change', (e) => {\n",
+              "      resolve(e.target.files);\n",
+              "    });\n",
+              "  });\n",
+              "\n",
+              "  const cancel = document.createElement('button');\n",
+              "  inputElement.parentElement.appendChild(cancel);\n",
+              "  cancel.textContent = 'Cancel upload';\n",
+              "  const cancelPromise = new Promise((resolve) => {\n",
+              "    cancel.onclick = () => {\n",
+              "      resolve(null);\n",
+              "    };\n",
+              "  });\n",
+              "\n",
+              "  // Wait for the user to pick the files.\n",
+              "  const files = yield {\n",
+              "    promise: Promise.race([pickedPromise, cancelPromise]),\n",
+              "    response: {\n",
+              "      action: 'starting',\n",
+              "    }\n",
+              "  };\n",
+              "\n",
+              "  cancel.remove();\n",
+              "\n",
+              "  // Disable the input element since further picks are not allowed.\n",
+              "  inputElement.disabled = true;\n",
+              "\n",
+              "  if (!files) {\n",
+              "    return {\n",
+              "      response: {\n",
+              "        action: 'complete',\n",
+              "      }\n",
+              "    };\n",
+              "  }\n",
+              "\n",
+              "  for (const file of files) {\n",
+              "    const li = document.createElement('li');\n",
+              "    li.append(span(file.name, {fontWeight: 'bold'}));\n",
+              "    li.append(span(\n",
+              "        `(${file.type || 'n/a'}) - ${file.size} bytes, ` +\n",
+              "        `last modified: ${\n",
+              "            file.lastModifiedDate ? file.lastModifiedDate.toLocaleDateString() :\n",
+              "                                    'n/a'} - `));\n",
+              "    const percent = span('0% done');\n",
+              "    li.appendChild(percent);\n",
+              "\n",
+              "    outputElement.appendChild(li);\n",
+              "\n",
+              "    const fileDataPromise = new Promise((resolve) => {\n",
+              "      const reader = new FileReader();\n",
+              "      reader.onload = (e) => {\n",
+              "        resolve(e.target.result);\n",
+              "      };\n",
+              "      reader.readAsArrayBuffer(file);\n",
+              "    });\n",
+              "    // Wait for the data to be ready.\n",
+              "    let fileData = yield {\n",
+              "      promise: fileDataPromise,\n",
+              "      response: {\n",
+              "        action: 'continue',\n",
+              "      }\n",
+              "    };\n",
+              "\n",
+              "    // Use a chunked sending to avoid message size limits. See b/62115660.\n",
+              "    let position = 0;\n",
+              "    do {\n",
+              "      const length = Math.min(fileData.byteLength - position, MAX_PAYLOAD_SIZE);\n",
+              "      const chunk = new Uint8Array(fileData, position, length);\n",
+              "      position += length;\n",
+              "\n",
+              "      const base64 = btoa(String.fromCharCode.apply(null, chunk));\n",
+              "      yield {\n",
+              "        response: {\n",
+              "          action: 'append',\n",
+              "          file: file.name,\n",
+              "          data: base64,\n",
+              "        },\n",
+              "      };\n",
+              "\n",
+              "      let percentDone = fileData.byteLength === 0 ?\n",
+              "          100 :\n",
+              "          Math.round((position / fileData.byteLength) * 100);\n",
+              "      percent.textContent = `${percentDone}% done`;\n",
+              "\n",
+              "    } while (position < fileData.byteLength);\n",
+              "  }\n",
+              "\n",
+              "  // All done.\n",
+              "  yield {\n",
+              "    response: {\n",
+              "      action: 'complete',\n",
+              "    }\n",
+              "  };\n",
+              "}\n",
+              "\n",
+              "scope.google = scope.google || {};\n",
+              "scope.google.colab = scope.google.colab || {};\n",
+              "scope.google.colab._files = {\n",
+              "  _uploadFiles,\n",
+              "  _uploadFilesContinue,\n",
+              "};\n",
+              "})(self);\n",
+              "</script> "
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Saving volve_grounded_events.csv to volve_grounded_events.csv\n"
+          ]
+        }
+      ],
+      "source": [
+        "from google.colab import files\n",
+        "uploaded = files.upload()"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "uploaded = files.upload()"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 72
+        },
+        "id": "w_vWhOpDJIKD",
+        "outputId": "ccd6a515-0b70-4439-fbbb-1ac166da0e28"
+      },
+      "execution_count": 2,
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "<IPython.core.display.HTML object>"
+            ],
+            "text/html": [
+              "\n",
+              "     <input type=\"file\" id=\"files-43be30cc-1b98-48a7-9175-79329ad976d7\" name=\"files[]\" multiple disabled\n",
+              "        style=\"border:none\" />\n",
+              "     <output id=\"result-43be30cc-1b98-48a7-9175-79329ad976d7\">\n",
+              "      Upload widget is only available when the cell has been executed in the\n",
+              "      current browser session. Please rerun this cell to enable.\n",
+              "      </output>\n",
+              "      <script>// Copyright 2017 Google LLC\n",
+              "//\n",
+              "// Licensed under the Apache License, Version 2.0 (the \"License\");\n",
+              "// you may not use this file except in compliance with the License.\n",
+              "// You may obtain a copy of the License at\n",
+              "//\n",
+              "//      http://www.apache.org/licenses/LICENSE-2.0\n",
+              "//\n",
+              "// Unless required by applicable law or agreed to in writing, software\n",
+              "// distributed under the License is distributed on an \"AS IS\" BASIS,\n",
+              "// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n",
+              "// See the License for the specific language governing permissions and\n",
+              "// limitations under the License.\n",
+              "\n",
+              "/**\n",
+              " * @fileoverview Helpers for google.colab Python module.\n",
+              " */\n",
+              "(function(scope) {\n",
+              "function span(text, styleAttributes = {}) {\n",
+              "  const element = document.createElement('span');\n",
+              "  element.textContent = text;\n",
+              "  for (const key of Object.keys(styleAttributes)) {\n",
+              "    element.style[key] = styleAttributes[key];\n",
+              "  }\n",
+              "  return element;\n",
+              "}\n",
+              "\n",
+              "// Max number of bytes which will be uploaded at a time.\n",
+              "const MAX_PAYLOAD_SIZE = 100 * 1024;\n",
+              "\n",
+              "function _uploadFiles(inputId, outputId) {\n",
+              "  const steps = uploadFilesStep(inputId, outputId);\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  // Cache steps on the outputElement to make it available for the next call\n",
+              "  // to uploadFilesContinue from Python.\n",
+              "  outputElement.steps = steps;\n",
+              "\n",
+              "  return _uploadFilesContinue(outputId);\n",
+              "}\n",
+              "\n",
+              "// This is roughly an async generator (not supported in the browser yet),\n",
+              "// where there are multiple asynchronous steps and the Python side is going\n",
+              "// to poll for completion of each step.\n",
+              "// This uses a Promise to block the python side on completion of each step,\n",
+              "// then passes the result of the previous step as the input to the next step.\n",
+              "function _uploadFilesContinue(outputId) {\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  const steps = outputElement.steps;\n",
+              "\n",
+              "  const next = steps.next(outputElement.lastPromiseValue);\n",
+              "  return Promise.resolve(next.value.promise).then((value) => {\n",
+              "    // Cache the last promise value to make it available to the next\n",
+              "    // step of the generator.\n",
+              "    outputElement.lastPromiseValue = value;\n",
+              "    return next.value.response;\n",
+              "  });\n",
+              "}\n",
+              "\n",
+              "/**\n",
+              " * Generator function which is called between each async step of the upload\n",
+              " * process.\n",
+              " * @param {string} inputId Element ID of the input file picker element.\n",
+              " * @param {string} outputId Element ID of the output display.\n",
+              " * @return {!Iterable<!Object>} Iterable of next steps.\n",
+              " */\n",
+              "function* uploadFilesStep(inputId, outputId) {\n",
+              "  const inputElement = document.getElementById(inputId);\n",
+              "  inputElement.disabled = false;\n",
+              "\n",
+              "  const outputElement = document.getElementById(outputId);\n",
+              "  outputElement.innerHTML = '';\n",
+              "\n",
+              "  const pickedPromise = new Promise((resolve) => {\n",
+              "    inputElement.addEventListener('change', (e) => {\n",
+              "      resolve(e.target.files);\n",
+              "    });\n",
+              "  });\n",
+              "\n",
+              "  const cancel = document.createElement('button');\n",
+              "  inputElement.parentElement.appendChild(cancel);\n",
+              "  cancel.textContent = 'Cancel upload';\n",
+              "  const cancelPromise = new Promise((resolve) => {\n",
+              "    cancel.onclick = () => {\n",
+              "      resolve(null);\n",
+              "    };\n",
+              "  });\n",
+              "\n",
+              "  // Wait for the user to pick the files.\n",
+              "  const files = yield {\n",
+              "    promise: Promise.race([pickedPromise, cancelPromise]),\n",
+              "    response: {\n",
+              "      action: 'starting',\n",
+              "    }\n",
+              "  };\n",
+              "\n",
+              "  cancel.remove();\n",
+              "\n",
+              "  // Disable the input element since further picks are not allowed.\n",
+              "  inputElement.disabled = true;\n",
+              "\n",
+              "  if (!files) {\n",
+              "    return {\n",
+              "      response: {\n",
+              "        action: 'complete',\n",
+              "      }\n",
+              "    };\n",
+              "  }\n",
+              "\n",
+              "  for (const file of files) {\n",
+              "    const li = document.createElement('li');\n",
+              "    li.append(span(file.name, {fontWeight: 'bold'}));\n",
+              "    li.append(span(\n",
+              "        `(${file.type || 'n/a'}) - ${file.size} bytes, ` +\n",
+              "        `last modified: ${\n",
+              "            file.lastModifiedDate ? file.lastModifiedDate.toLocaleDateString() :\n",
+              "                                    'n/a'} - `));\n",
+              "    const percent = span('0% done');\n",
+              "    li.appendChild(percent);\n",
+              "\n",
+              "    outputElement.appendChild(li);\n",
+              "\n",
+              "    const fileDataPromise = new Promise((resolve) => {\n",
+              "      const reader = new FileReader();\n",
+              "      reader.onload = (e) => {\n",
+              "        resolve(e.target.result);\n",
+              "      };\n",
+              "      reader.readAsArrayBuffer(file);\n",
+              "    });\n",
+              "    // Wait for the data to be ready.\n",
+              "    let fileData = yield {\n",
+              "      promise: fileDataPromise,\n",
+              "      response: {\n",
+              "        action: 'continue',\n",
+              "      }\n",
+              "    };\n",
+              "\n",
+              "    // Use a chunked sending to avoid message size limits. See b/62115660.\n",
+              "    let position = 0;\n",
+              "    do {\n",
+              "      const length = Math.min(fileData.byteLength - position, MAX_PAYLOAD_SIZE);\n",
+              "      const chunk = new Uint8Array(fileData, position, length);\n",
+              "      position += length;\n",
+              "\n",
+              "      const base64 = btoa(String.fromCharCode.apply(null, chunk));\n",
+              "      yield {\n",
+              "        response: {\n",
+              "          action: 'append',\n",
+              "          file: file.name,\n",
+              "          data: base64,\n",
+              "        },\n",
+              "      };\n",
+              "\n",
+              "      let percentDone = fileData.byteLength === 0 ?\n",
+              "          100 :\n",
+              "          Math.round((position / fileData.byteLength) * 100);\n",
+              "      percent.textContent = `${percentDone}% done`;\n",
+              "\n",
+              "    } while (position < fileData.byteLength);\n",
+              "  }\n",
+              "\n",
+              "  // All done.\n",
+              "  yield {\n",
+              "    response: {\n",
+              "      action: 'complete',\n",
+              "    }\n",
+              "  };\n",
+              "}\n",
+              "\n",
+              "scope.google = scope.google || {};\n",
+              "scope.google.colab = scope.google.colab || {};\n",
+              "scope.google.colab._files = {\n",
+              "  _uploadFiles,\n",
+              "  _uploadFilesContinue,\n",
+              "};\n",
+              "})(self);\n",
+              "</script> "
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Saving volve_well_daily.csv to volve_well_daily.csv\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "import pandas as pd\n",
+        "import numpy as np"
+      ],
+      "metadata": {
+        "id": "a2aevc8JI5YT"
+      },
+      "execution_count": 3,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "import tensorflow as tf\n",
+        "from tensorflow.keras import layers, models"
+      ],
+      "metadata": {
+        "id": "KY0mLUrNSc2J"
+      },
+      "execution_count": 8,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "from tensorflow.keras import layers, models, regularizers\n",
+        "from sklearn.metrics import roc_auc_score, average_precision_score"
+      ],
+      "metadata": {
+        "id": "2s0TV8u8TElC"
+      },
+      "execution_count": 11,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "from tensorflow.keras import layers, models, regularizers"
+      ],
+      "metadata": {
+        "id": "QOHOmUpsXJkT"
+      },
+      "execution_count": 17,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "from sklearn.metrics import roc_auc_score, mean_absolute_error, accuracy_score\n"
+      ],
+      "metadata": {
+        "id": "GDDw3y7HXMU9"
+      },
+      "execution_count": 20,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "# SUPERVISED dual-head model notebook.\n",
+        "'''\n",
+        "Same single source and same preparation decisions as the baseline notebook.\n",
+        "Condensed here so this notebook stands alone.\n",
+        "'''\n",
+        "\n",
+        "data = pd.read_csv('volve_well_daily.csv', parse_dates=['date'])\n",
+        "ev = pd.read_csv('volve_grounded_events.csv', parse_dates=['onset','offset'])\n",
+        "\n",
+        "# oil producers only; zero = missing; 3-day per-well fill; reduced reliable channels + deltas\n",
+        "op = data[data.well_type == 'OP'].copy()\n",
+        "core_features = ['dp_tubing','whp','wht','choke_pct','oil_vol','gas_vol','water_vol']\n",
+        "op[core_features] = op[core_features].replace(0, np.nan)\n",
+        "op = op.sort_values(['well','date']).reset_index(drop=True)\n",
+        "op[core_features] = op.groupby('well')[core_features].ffill(limit=3)\n",
+        "for c in core_features:\n",
+        "    op[c + '_delta'] = op.groupby('well')[c].diff()\n",
+        "\n",
+        "model_features = core_features + [c + '_delta' for c in core_features]\n",
+        "trainable_wells = ['15/9-F-1 C','15/9-F-11','15/9-F-12','15/9-F-14','15/9-F-15 D']\n",
+        "\n",
+        "print(\"Prepared:\", op.shape, \"|\", len(model_features), \"features |\", len(trainable_wells), \"wells\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "4jxcT9n5JNoH",
+        "outputId": "3de2cc2e-727d-4d14-d953-3e95cb7a5e40"
+      },
+      "execution_count": 4,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Prepared: (9143, 24) | 14 features | 5 wells\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "### From daily rows to windows\n",
+        "\n",
+        "The baseline scored one day at a time. This model marks *where an event starts and ends*, so it needs to see a stretch of time, not a single day. We therefore slide a **60-day window** forward **7 days at a time** across each well.\n",
+        "\n",
+        "Each window becomes one training example: a 60×14 block of features, plus any grounded events that fall inside it, recorded as their **start and end position within the window** (0–59) and their type. This within-window interval is the 1D, time-based analogue of the bounding box the metal-AM defect model drew around a defect in an image in a previous published paper.\n",
+        "\n",
+        "A window with no event is a *background* window. The equivalent of an image with no defect. Window length (60) and step (7) are declared assumptions."
+      ],
+      "metadata": {
+        "id": "br66b6WXJwbz"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "'''\n",
+        "Each window is one training example: a 60x14 feature block + any events that fall inside it, recorded as (start, end) positions WITHIN the window plus type.\n",
+        "This is the 1D interval label, the time analogue of the metal-AM bounding box.\n",
+        "'''\n",
+        "\n",
+        "WINDOW = 60\n",
+        "STEP = 7\n",
+        "type_to_id = {'shut_in':1,'restart_transient':2,'water_breakthrough':3,\n",
+        "              'productivity_loss':4,'gaslift_instability':5}  # 0 = background\n",
+        "\n",
+        "windows = []   # each: dict(well, start_date, X, events=[(s,e,type_id), ...])\n",
+        "\n",
+        "for well in trainable_wells:\n",
+        "    g = op[op.well == well].sort_values('date').reset_index(drop=True)\n",
+        "    g_feats = g[model_features].values\n",
+        "    g_dates = pd.DatetimeIndex(g['date'])        # proper datetime index\n",
+        "    n = len(g)\n",
+        "    evw = ev[ev.well == well]\n",
+        "\n",
+        "    for start in range(0, n - WINDOW + 1, STEP):\n",
+        "        end = start + WINDOW\n",
+        "        X = g_feats[start:end]                     # 60 x 14\n",
+        "        if np.isnan(X).mean() > 0.2:               # skip too-empty windows\n",
+        "            continue\n",
+        "        w_start_date = g_dates[start]\n",
+        "        w_end_date   = g_dates[end-1]\n",
+        "\n",
+        "        evlist = []\n",
+        "        for _, e in evw.iterrows():\n",
+        "            if e.offset < w_start_date or e.onset > w_end_date:\n",
+        "                continue                            # no overlap\n",
+        "            s_idx = max(0, g_dates.searchsorted(e.onset) - start)\n",
+        "            e_idx = min(WINDOW-1, g_dates.searchsorted(e.offset) - start)\n",
+        "            if e_idx >= s_idx:\n",
+        "                evlist.append((int(s_idx), int(e_idx), type_to_id[e.event_type]))\n",
+        "\n",
+        "        windows.append(dict(well=well, start_date=w_start_date, X=X, events=evlist))\n",
+        "\n",
+        "print(f\"Total windows: {len(windows)}\")\n",
+        "n_with = sum(1 for w in windows if w['events'])\n",
+        "print(f\"Windows containing >=1 event: {n_with}  ({100*n_with/len(windows):.0f}%)\")\n",
+        "print(f\"Background windows (no event): {len(windows)-n_with}\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "rac83f6iJyoo",
+        "outputId": "f3834ef5-900f-4eca-d6d5-aa0a5ea6d65e"
+      },
+      "execution_count": 6,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Total windows: 1141\n",
+            "Windows containing >=1 event: 584  (51%)\n",
+            "Background windows (no event): 557\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "from sklearn.preprocessing import StandardScaler\n",
+        "\n",
+        "'''\n",
+        "We are using a per-well normalization (consistent with the baseline):\n",
+        "fit each well's scaler on that well's full producer history, so every window from that well is judged against that well's own normal.\n",
+        "Then fill any remaining within-window NaNs. Reason for per-well: channels have different units, and a pooled scaler would flag a well as anomalous merely for running at different levels.\n",
+        "'''\n",
+        "# 1. fit one scaler per well on its full history\n",
+        "well_scalers = {}\n",
+        "for well in trainable_wells:\n",
+        "    g = op[op.well == well]\n",
+        "    well_scalers[well] = StandardScaler().fit(g[model_features].values)\n",
+        "\n",
+        "# 2. apply to each window, then fill remaining NaNs with 0 (= the well's mean, since after scaling mean is 0).\n",
+        "#Filling with the mean is the neutral choice because it says \"no information\" rather than inventing a value.\n",
+        "X_all, y_has_event, well_of = [], [], []\n",
+        "for w in windows:\n",
+        "    Xs = well_scalers[w['well']].transform(w['X'])   # 60 x 14, scaled\n",
+        "    Xs = np.nan_to_num(Xs, nan=0.0)                  # fill gaps with scaled-mean (0)\n",
+        "    X_all.append(Xs)\n",
+        "    y_has_event.append(1 if w['events'] else 0)\n",
+        "    well_of.append(w['well'])\n",
+        "\n",
+        "X_all = np.array(X_all)                # (1141, 60, 14)\n",
+        "y_has_event = np.array(y_has_event)\n",
+        "\n",
+        "print(\"Feature tensor:\", X_all.shape, \"(windows, days, channels)\")\n",
+        "print(\"Any NaN left?\", np.isnan(X_all).any())\n",
+        "print(\"Event-present labels:\", y_has_event.sum(), \"/\", len(y_has_event))"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "eLZWVFSwQy8m",
+        "outputId": "b6b3d5ef-29b4-4265-c5c1-963d2dc4f3f0"
+      },
+      "execution_count": 7,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Feature tensor: (1141, 60, 14) (windows, days, channels)\n",
+            "Any NaN left? False\n",
+            "Event-present labels: 584 / 1141\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "\n",
+        "\n",
+        "print(\"TensorFlow:\", tf.__version__)\n",
+        "\n",
+        "'''Leave-one-well-out: each well takes a turn as the test set while the other four train.\n",
+        "No window from a test well ever appears in training, so the heavy window overlap (~88% between neighbors) cannot leak the answer.\n",
+        "'''\n",
+        "\n",
+        "well_of = np.array(well_of)\n",
+        "\n",
+        "def split_leave_one_out(test_well):\n",
+        "    tr = well_of != test_well\n",
+        "    te = well_of == test_well\n",
+        "    return X_all[tr], y_has_event[tr], X_all[te], y_has_event[te]\n",
+        "\n",
+        "# quick check of the per-fold sizes and event balance\n",
+        "print(\"\\nLeave-one-well-out folds:\")\n",
+        "for w in trainable_wells:\n",
+        "    Xtr, ytr, Xte, yte = split_leave_one_out(w)\n",
+        "    print(f\"  hold out {w:14s}: train {len(ytr):4d} (ev {ytr.sum():3d}) | \"\n",
+        "          f\"test {len(yte):4d} (ev {yte.sum():3d})\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "AGN6e8akSZIO",
+        "outputId": "c378a7fe-dfbe-4af6-99b7-9efca7c17f95"
+      },
+      "execution_count": 10,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "TensorFlow: 2.20.0\n",
+            "\n",
+            "Leave-one-well-out folds:\n",
+            "  hold out 15/9-F-1 C    : train 1097 (ev 544) | test   44 (ev  40)\n",
+            "  hold out 15/9-F-11     : train  985 (ev 526) | test  156 (ev  58)\n",
+            "  hold out 15/9-F-12     : train  720 (ev 375) | test  421 (ev 209)\n",
+            "  hold out 15/9-F-14     : train  738 (ev 396) | test  403 (ev 188)\n",
+            "  hold out 15/9-F-15 D   : train 1024 (ev 495) | test  117 (ev  89)\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "# STEP ONE: does a window contain an event at all? (binary)Compact + regularized on purpose (small, overlapping data — Section 8.3).\n",
+        "# Goal: confirm the pipeline can learn and generalize across wells before we add the harder localization head.\n",
+        "\n",
+        "def build_presence_model(n_days=60, n_ch=14):\n",
+        "    m = models.Sequential([\n",
+        "        layers.Input(shape=(n_days, n_ch)),\n",
+        "        layers.Conv1D(16, 5, activation='relu',\n",
+        "                      kernel_regularizer=regularizers.l2(1e-3)),\n",
+        "        layers.MaxPooling1D(2),\n",
+        "        layers.Conv1D(32, 3, activation='relu',\n",
+        "                      kernel_regularizer=regularizers.l2(1e-3)),\n",
+        "        layers.GlobalAveragePooling1D(),\n",
+        "        layers.Dropout(0.5),\n",
+        "        layers.Dense(16, activation='relu'),\n",
+        "        layers.Dense(1, activation='sigmoid'),\n",
+        "    ])\n",
+        "    m.compile(optimizer='adam', loss='binary_crossentropy',\n",
+        "              metrics=['accuracy'])\n",
+        "    return m\n",
+        "\n",
+        "# Leave-one-well-out, collect held-out predictions\n",
+        "results = {}\n",
+        "for test_well in trainable_wells:\n",
+        "    Xtr, ytr, Xte, yte = split_leave_one_out(test_well)\n",
+        "    tf.random.set_seed(0)                      # reproducible\n",
+        "    model = build_presence_model()\n",
+        "    model.fit(Xtr, ytr, epochs=30, batch_size=32, verbose=0)\n",
+        "    p = model.predict(Xte, verbose=0).ravel()\n",
+        "    # AUC only meaningful if both classes present in test fold\n",
+        "    if len(np.unique(yte)) == 2:\n",
+        "        auc = roc_auc_score(yte, p)\n",
+        "        ap  = average_precision_score(yte, p)\n",
+        "    else:\n",
+        "        auc = ap = float('nan')\n",
+        "    results[test_well] = (auc, ap, yte.mean())\n",
+        "    print(f\"hold out {test_well:14s}: ROC-AUC {auc:.3f}  PR-AUC {ap:.3f}  \"\n",
+        "          f\"(test event rate {yte.mean():.2f})\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "1eTcN5OJSidJ",
+        "outputId": "317c5917-cd99-4d04-87ca-210ca4a17523"
+      },
+      "execution_count": 12,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "hold out 15/9-F-1 C    : ROC-AUC 0.850  PR-AUC 0.986  (test event rate 0.91)\n",
+            "hold out 15/9-F-11     : ROC-AUC 0.876  PR-AUC 0.742  (test event rate 0.37)\n"
+          ]
+        },
+        {
+          "output_type": "stream",
+          "name": "stderr",
+          "text": [
+            "WARNING:tensorflow:5 out of the last 8 calls to <function TensorFlowTrainer.make_predict_function.<locals>.one_step_on_data_distributed at 0x7cc6bee06520> triggered tf.function retracing. Tracing is expensive and the excessive number of tracings could be due to (1) creating @tf.function repeatedly in a loop, (2) passing tensors with different shapes, (3) passing Python objects instead of tensors. For (1), please define your @tf.function outside of the loop. For (2), @tf.function has reduce_retracing=True option that can avoid unnecessary retracing. For (3), please refer to https://www.tensorflow.org/guide/function#controlling_retracing and https://www.tensorflow.org/api_docs/python/tf/function for  more details.\n"
+          ]
+        },
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "hold out 15/9-F-12     : ROC-AUC 0.899  PR-AUC 0.929  (test event rate 0.50)\n",
+            "hold out 15/9-F-14     : ROC-AUC 0.833  PR-AUC 0.871  (test event rate 0.47)\n",
+            "hold out 15/9-F-15 D   : ROC-AUC 0.952  PR-AUC 0.987  (test event rate 0.76)\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "### Step-one result: the pipeline learns and generalizes across wells\n",
+        "\n",
+        "The event-presence model trained on four wells and tested on the held-out fifth, rotated through all five, successfully tells event-windows from background on wells it never saw during training.\n",
+        "\n",
+        "The two folds we trust most, because their test sets are large and balanced, are strong: **ROC-AUC 0.899** holding out F-12 (50% event rate) and **0.833** holding out F-14 (47%). The other three folds agree (F-15D 0.952, F-11 0.876, F-1C 0.850) but rest on small or skewed test sets, F-1C in particular is 91% positive, so its high scores are inflated and should not be read as strong evidence.\n",
+        "\n",
+        "The point that matters: on small, heavily-overlapping data where cross-well transfer was not guaranteed, a model trained on four wells still generalizes to a fifth. The pipeline learns a real, transferable signal. This earns the next step; adding the localization head to build the full dual-head model.\n",
+        "\n",
+        "*Caveat, as everywhere:* recovering the grounded events is not the same as detecting confirmed faults (see label-construction note)."
+      ],
+      "metadata": {
+        "id": "TS9Pih24TtvN"
+      }
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# Next step:\n",
+        "STEP TWO labels. For each window we keep ONE event,the primary one, and record: onset (0-59), offset (0-59), type (1-5).\n",
+        "Background windows get onset=offset=0 and type=0, and are masked out of the localization loss later.\n",
+        "\"Primary event\" = the longest event in the window (most salient); ties broken by earliest onset. Multi-event windows are simplified to this primary event; full multi-event prediction is future work. (Decision stated in method section.)"
+      ],
+      "metadata": {
+        "id": "0rRw099JURC4"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "y_present = []              # 1 if window has an event, else 0\n",
+        "y_onset   = []             # start position within window (0-59)\n",
+        "y_offset  = []             # end position within window (0-59)\n",
+        "y_type    = []             # 0 background, 1-5 event type\n",
+        "\n",
+        "for w in windows:\n",
+        "    if not w['events']:\n",
+        "        y_present.append(0); y_onset.append(0); y_offset.append(0); y_type.append(0)\n",
+        "        continue\n",
+        "    # pick primary = longest span; tie -> earliest onset\n",
+        "    primary = sorted(w['events'], key=lambda e: (-(e[1]-e[0]), e[0]))[0]\n",
+        "    s, e, t = primary\n",
+        "    y_present.append(1); y_onset.append(s); y_offset.append(e); y_type.append(t)\n",
+        "\n",
+        "y_present = np.array(y_present, dtype='float32')\n",
+        "y_onset   = np.array(y_onset,   dtype='float32') / (WINDOW-1)   # scale to 0-1\n",
+        "y_offset  = np.array(y_offset,  dtype='float32') / (WINDOW-1)   # scale to 0-1\n",
+        "y_type    = np.array(y_type,    dtype='int32')\n",
+        "\n",
+        "print(\"Label arrays built.\")\n",
+        "print(\"  present:\", y_present.shape, \"-> events:\", int(y_present.sum()))\n",
+        "print(\"  onset/offset scaled to 0-1 (divide by 59)\")\n",
+        "print(\"  type distribution:\", {int(k): int((y_type==k).sum()) for k in range(6)})"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "KP5MLSHuUUjK",
+        "outputId": "df640af9-f819-4eae-a110-c36d7d3dcc06"
+      },
+      "execution_count": 14,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Label arrays built.\n",
+            "  present: (1141,) -> events: 584\n",
+            "  onset/offset scaled to 0-1 (divide by 59)\n",
+            "  type distribution: {0: 557, 1: 411, 2: 12, 3: 39, 4: 46, 5: 76}\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "`\n",
+        "### Merging shut-in and restart\n",
+        "\n",
+        "The one-label-per-window rule created a problem: shut-in and restart almost always occur together in a window, and because restart is short, the \"pick the longest event\" rule always dropped it — collapsing restart from 79 events to just 12.\n",
+        "\n",
+        "Rather than engineer around this, we **merge shut-in and restart into a single \"shut-in/restart cycle\" class**. This is physically honest, they are one operational episode (a well stops, then restarts), and it recovers the restart data instead of discarding it. The result is a cleaner four-class problem where every class has enough examples to learn from.\n",
+        "\n",
+        "We document this openly: the merge is a consequence of the one-event-per-window simplification, and full separation of paired events is future work.\n"
+      ],
+      "metadata": {
+        "id": "d9PYGDwgWPjP"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "\n",
+        "# remap types: 1&2 -> 1 (cycle); 3->2 (water_bt); 4->3 (prod_loss); 5->4 (gaslift)\n",
+        "remap = {0:0, 1:1, 2:1, 3:2, 4:3, 5:4}\n",
+        "class_names = {0:'background', 1:'shutin_restart_cycle',\n",
+        "               2:'water_breakthrough', 3:'productivity_loss', 4:'gaslift_instability'}\n",
+        "\n",
+        "y_present, y_onset, y_offset, y_type = [], [], [], []\n",
+        "for w in windows:\n",
+        "    if not w['events']:\n",
+        "        y_present.append(0); y_onset.append(0); y_offset.append(0); y_type.append(0)\n",
+        "        continue\n",
+        "    # primary = longest span (ties -> earliest onset), then remap its type\n",
+        "    primary = sorted(w['events'], key=lambda e: (-(e[1]-e[0]), e[0]))[0]\n",
+        "    s, e, t = primary\n",
+        "    y_present.append(1); y_onset.append(s); y_offset.append(e)\n",
+        "    y_type.append(remap[t])\n",
+        "\n",
+        "y_present = np.array(y_present, dtype='float32')\n",
+        "y_onset   = np.array(y_onset,   dtype='float32') / (WINDOW-1)\n",
+        "y_offset  = np.array(y_offset,  dtype='float32') / (WINDOW-1)\n",
+        "y_type    = np.array(y_type,    dtype='int32')\n",
+        "\n",
+        "print(\"Merged label arrays built.\")\n",
+        "print(\"  events:\", int(y_present.sum()), \"/\", len(y_present))\n",
+        "print(\"  class distribution:\")\n",
+        "for k in range(5):\n",
+        "    print(f\"    {k} {class_names[k]:24s}: {int((y_type==k).sum())}\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "bzDZFO0cWXmk",
+        "outputId": "86759eb8-8526-46c3-982c-dff81fb192c3"
+      },
+      "execution_count": 15,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Merged label arrays built.\n",
+            "  events: 584 / 1141\n",
+            "  class distribution:\n",
+            "    0 background              : 557\n",
+            "    1 shutin_restart_cycle    : 423\n",
+            "    2 water_breakthrough      : 39\n",
+            "    3 productivity_loss       : 46\n",
+            "    4 gaslift_instability     : 76\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "'''\n",
+        "DUAL-HEAD MODEL (step two). Shared 1D-conv backbone (proven in step one),splitting into three heads: presence (is there an event),\n",
+        "interval (onset/offset = the 1D localization \"box\"), and type (4-class).\n",
+        "This extends the metal-AM localize-plus-classify architecture from 2D image defects to 1D temporal events.\n",
+        "This is Compact + regularized for the small, overlapping data\n",
+        "'''\n",
+        "\n",
+        "def build_dualhead(n_days=60, n_ch=14, n_types=5):\n",
+        "    inp = layers.Input(shape=(n_days, n_ch))\n",
+        "    x = layers.Conv1D(16, 5, activation='relu',\n",
+        "                      kernel_regularizer=regularizers.l2(1e-3))(inp)\n",
+        "    x = layers.MaxPooling1D(2)(x)\n",
+        "    x = layers.Conv1D(32, 3, activation='relu',\n",
+        "                      kernel_regularizer=regularizers.l2(1e-3))(x)\n",
+        "    x = layers.GlobalAveragePooling1D()(x)\n",
+        "    x = layers.Dropout(0.5)(x)\n",
+        "    shared = layers.Dense(32, activation='relu')(x)\n",
+        "\n",
+        "    # three heads off the shared representation\n",
+        "    presence = layers.Dense(1, activation='sigmoid', name='presence')(shared)\n",
+        "    interval = layers.Dense(2, activation='sigmoid', name='interval')(shared)  # onset,offset in 0-1\n",
+        "    etype    = layers.Dense(n_types, activation='softmax', name='etype')(shared)\n",
+        "\n",
+        "    model = models.Model(inp, [presence, interval, etype])\n",
+        "    model.compile(\n",
+        "        optimizer='adam',\n",
+        "        loss={'presence':'binary_crossentropy',\n",
+        "              'interval':'mse',                      # regression on onset/offset\n",
+        "              'etype':'sparse_categorical_crossentropy'},\n",
+        "        loss_weights={'presence':1.0, 'interval':1.0, 'etype':1.0},\n",
+        "        metrics={'presence':'accuracy', 'etype':'accuracy'})\n",
+        "    return model\n",
+        "\n",
+        "m = build_dualhead()\n",
+        "m.summary()"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 510
+        },
+        "id": "XCEgvD9vWo5U",
+        "outputId": "05965416-1f0a-4a59-bd31-00e333c79cf8"
+      },
+      "execution_count": 16,
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "\u001b[1mModel: \"functional_5\"\u001b[0m\n"
+            ],
+            "text/html": [
+              "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\"><span style=\"font-weight: bold\">Model: \"functional_5\"</span>\n",
+              "</pre>\n"
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "┏━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━┓\n",
+              "┃\u001b[1m \u001b[0m\u001b[1mLayer (type)       \u001b[0m\u001b[1m \u001b[0m┃\u001b[1m \u001b[0m\u001b[1mOutput Shape     \u001b[0m\u001b[1m \u001b[0m┃\u001b[1m \u001b[0m\u001b[1m   Param #\u001b[0m\u001b[1m \u001b[0m┃\u001b[1m \u001b[0m\u001b[1mConnected to     \u001b[0m\u001b[1m \u001b[0m┃\n",
+              "┡━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━┩\n",
+              "│ input_layer_5       │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m60\u001b[0m, \u001b[38;5;34m14\u001b[0m)    │          \u001b[38;5;34m0\u001b[0m │ -                 │\n",
+              "│ (\u001b[38;5;33mInputLayer\u001b[0m)        │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ conv1d_10 (\u001b[38;5;33mConv1D\u001b[0m)  │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m56\u001b[0m, \u001b[38;5;34m16\u001b[0m)    │      \u001b[38;5;34m1,136\u001b[0m │ input_layer_5[\u001b[38;5;34m0\u001b[0m]… │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ max_pooling1d_5     │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m28\u001b[0m, \u001b[38;5;34m16\u001b[0m)    │          \u001b[38;5;34m0\u001b[0m │ conv1d_10[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]   │\n",
+              "│ (\u001b[38;5;33mMaxPooling1D\u001b[0m)      │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ conv1d_11 (\u001b[38;5;33mConv1D\u001b[0m)  │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m26\u001b[0m, \u001b[38;5;34m32\u001b[0m)    │      \u001b[38;5;34m1,568\u001b[0m │ max_pooling1d_5[\u001b[38;5;34m…\u001b[0m │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ global_average_poo… │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m32\u001b[0m)        │          \u001b[38;5;34m0\u001b[0m │ conv1d_11[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]   │\n",
+              "│ (\u001b[38;5;33mGlobalAveragePool…\u001b[0m │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ dropout_5 (\u001b[38;5;33mDropout\u001b[0m) │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m32\u001b[0m)        │          \u001b[38;5;34m0\u001b[0m │ global_average_p… │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ dense_10 (\u001b[38;5;33mDense\u001b[0m)    │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m32\u001b[0m)        │      \u001b[38;5;34m1,056\u001b[0m │ dropout_5[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ presence (\u001b[38;5;33mDense\u001b[0m)    │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m1\u001b[0m)         │         \u001b[38;5;34m33\u001b[0m │ dense_10[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]    │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ interval (\u001b[38;5;33mDense\u001b[0m)    │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m2\u001b[0m)         │         \u001b[38;5;34m66\u001b[0m │ dense_10[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]    │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ etype (\u001b[38;5;33mDense\u001b[0m)       │ (\u001b[38;5;45mNone\u001b[0m, \u001b[38;5;34m5\u001b[0m)         │        \u001b[38;5;34m165\u001b[0m │ dense_10[\u001b[38;5;34m0\u001b[0m][\u001b[38;5;34m0\u001b[0m]    │\n",
+              "└─────────────────────┴───────────────────┴────────────┴───────────────────┘\n"
+            ],
+            "text/html": [
+              "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\">┏━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━┓\n",
+              "┃<span style=\"font-weight: bold\"> Layer (type)        </span>┃<span style=\"font-weight: bold\"> Output Shape      </span>┃<span style=\"font-weight: bold\">    Param # </span>┃<span style=\"font-weight: bold\"> Connected to      </span>┃\n",
+              "┡━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━┩\n",
+              "│ input_layer_5       │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">60</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">14</span>)    │          <span style=\"color: #00af00; text-decoration-color: #00af00\">0</span> │ -                 │\n",
+              "│ (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">InputLayer</span>)        │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ conv1d_10 (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Conv1D</span>)  │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">56</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">16</span>)    │      <span style=\"color: #00af00; text-decoration-color: #00af00\">1,136</span> │ input_layer_5[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]… │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ max_pooling1d_5     │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">28</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">16</span>)    │          <span style=\"color: #00af00; text-decoration-color: #00af00\">0</span> │ conv1d_10[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]   │\n",
+              "│ (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">MaxPooling1D</span>)      │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ conv1d_11 (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Conv1D</span>)  │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">26</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">32</span>)    │      <span style=\"color: #00af00; text-decoration-color: #00af00\">1,568</span> │ max_pooling1d_5[<span style=\"color: #00af00; text-decoration-color: #00af00\">…</span> │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ global_average_poo… │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">32</span>)        │          <span style=\"color: #00af00; text-decoration-color: #00af00\">0</span> │ conv1d_11[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]   │\n",
+              "│ (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">GlobalAveragePool…</span> │                   │            │                   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ dropout_5 (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Dropout</span>) │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">32</span>)        │          <span style=\"color: #00af00; text-decoration-color: #00af00\">0</span> │ global_average_p… │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ dense_10 (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Dense</span>)    │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">32</span>)        │      <span style=\"color: #00af00; text-decoration-color: #00af00\">1,056</span> │ dropout_5[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]   │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ presence (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Dense</span>)    │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">1</span>)         │         <span style=\"color: #00af00; text-decoration-color: #00af00\">33</span> │ dense_10[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]    │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ interval (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Dense</span>)    │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">2</span>)         │         <span style=\"color: #00af00; text-decoration-color: #00af00\">66</span> │ dense_10[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]    │\n",
+              "├─────────────────────┼───────────────────┼────────────┼───────────────────┤\n",
+              "│ etype (<span style=\"color: #0087ff; text-decoration-color: #0087ff\">Dense</span>)       │ (<span style=\"color: #00d7ff; text-decoration-color: #00d7ff\">None</span>, <span style=\"color: #00af00; text-decoration-color: #00af00\">5</span>)         │        <span style=\"color: #00af00; text-decoration-color: #00af00\">165</span> │ dense_10[<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>][<span style=\"color: #00af00; text-decoration-color: #00af00\">0</span>]    │\n",
+              "└─────────────────────┴───────────────────┴────────────┴───────────────────┘\n",
+              "</pre>\n"
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "\u001b[1m Total params: \u001b[0m\u001b[38;5;34m4,024\u001b[0m (15.72 KB)\n"
+            ],
+            "text/html": [
+              "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\"><span style=\"font-weight: bold\"> Total params: </span><span style=\"color: #00af00; text-decoration-color: #00af00\">4,024</span> (15.72 KB)\n",
+              "</pre>\n"
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "\u001b[1m Trainable params: \u001b[0m\u001b[38;5;34m4,024\u001b[0m (15.72 KB)\n"
+            ],
+            "text/html": [
+              "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\"><span style=\"font-weight: bold\"> Trainable params: </span><span style=\"color: #00af00; text-decoration-color: #00af00\">4,024</span> (15.72 KB)\n",
+              "</pre>\n"
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "\u001b[1m Non-trainable params: \u001b[0m\u001b[38;5;34m0\u001b[0m (0.00 B)\n"
+            ],
+            "text/html": [
+              "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\"><span style=\"font-weight: bold\"> Non-trainable params: </span><span style=\"color: #00af00; text-decoration-color: #00af00\">0</span> (0.00 B)\n",
+              "</pre>\n"
+            ]
+          },
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "Masking: interval and type losses apply ONLY to event-containing windows (background windows have no interval/type to learn). We pass per-sample weights = y_present, so those two heads ignore background windows. Presence head uses all windows."
+      ],
+      "metadata": {
+        "id": "PNsPQbaQXb8e"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "\n",
+        "def split_idx(test_well):\n",
+        "    tr = np.where(well_of != test_well)[0]\n",
+        "    te = np.where(well_of == test_well)[0]\n",
+        "    return tr, te\n",
+        "\n",
+        "dh_results = {}\n",
+        "for test_well in trainable_wells:\n",
+        "    tr, te = split_idx(test_well)\n",
+        "    tf.random.set_seed(0)\n",
+        "    model = build_dualhead()\n",
+        "\n",
+        "    # targets in OUTPUT ORDER: [presence, interval, etype]\n",
+        "    y_tr = [\n",
+        "        y_present[tr],\n",
+        "        np.stack([y_onset[tr], y_offset[tr]], axis=1),\n",
+        "        y_type[tr],\n",
+        "    ]\n",
+        "    # sample weights in the SAME order; interval/type only on event windows\n",
+        "    sw = [\n",
+        "        np.ones(len(tr), dtype='float32'),   # presence: all windows\n",
+        "        y_present[tr],                        # interval: events only\n",
+        "        y_present[tr],                        # etype: events only\n",
+        "    ]\n",
+        "\n",
+        "    model.fit(X_all[tr], y_tr, sample_weight=sw,\n",
+        "              epochs=40, batch_size=32, verbose=0)\n",
+        "\n",
+        "    pres_p, intv_p, type_p = model.predict(X_all[te], verbose=0)\n",
+        "    pres_p = pres_p.ravel()\n",
+        "\n",
+        "    yte_pres = y_present[te]\n",
+        "    auc = roc_auc_score(yte_pres, pres_p) if len(np.unique(yte_pres))==2 else np.nan\n",
+        "\n",
+        "    ev_mask = yte_pres == 1\n",
+        "    if ev_mask.sum() > 0:\n",
+        "        onset_mae  = mean_absolute_error(y_onset[te][ev_mask], intv_p[ev_mask,0])\n",
+        "        offset_mae = mean_absolute_error(y_offset[te][ev_mask], intv_p[ev_mask,1])\n",
+        "        type_acc = accuracy_score(y_type[te][ev_mask], type_p[ev_mask].argmax(1))\n",
+        "    else:\n",
+        "        onset_mae = offset_mae = type_acc = np.nan\n",
+        "\n",
+        "    dh_results[test_well] = dict(auc=auc, onset_mae=onset_mae,\n",
+        "                                 offset_mae=offset_mae, type_acc=type_acc)\n",
+        "    print(f\"hold out {test_well:14s}: presence AUC {auc:.3f} | \"\n",
+        "          f\"onset MAE {onset_mae:.3f} offset MAE {offset_mae:.3f} | \"\n",
+        "          f\"type acc {type_acc:.3f}\")"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "vcKNAShzXUPP",
+        "outputId": "1782287f-d078-4afc-db67-dc596c2c7652"
+      },
+      "execution_count": 21,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stderr",
+          "text": [
+            "WARNING:tensorflow:5 out of the last 18 calls to <function TensorFlowTrainer.make_predict_function.<locals>.one_step_on_data_distributed at 0x7cc6be1732e0> triggered tf.function retracing. Tracing is expensive and the excessive number of tracings could be due to (1) creating @tf.function repeatedly in a loop, (2) passing tensors with different shapes, (3) passing Python objects instead of tensors. For (1), please define your @tf.function outside of the loop. For (2), @tf.function has reduce_retracing=True option that can avoid unnecessary retracing. For (3), please refer to https://www.tensorflow.org/guide/function#controlling_retracing and https://www.tensorflow.org/api_docs/python/tf/function for  more details.\n"
+          ]
+        },
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "hold out 15/9-F-1 C    : presence AUC 0.881 | onset MAE 0.240 offset MAE 0.204 | type acc 0.650\n",
+            "hold out 15/9-F-11     : presence AUC 0.873 | onset MAE 0.280 offset MAE 0.279 | type acc 0.621\n",
+            "hold out 15/9-F-12     : presence AUC 0.907 | onset MAE 0.292 offset MAE 0.293 | type acc 0.794\n",
+            "hold out 15/9-F-14     : presence AUC 0.819 | onset MAE 0.287 offset MAE 0.289 | type acc 0.511\n",
+            "hold out 15/9-F-15 D   : presence AUC 0.939 | onset MAE 0.296 offset MAE 0.313 | type acc 0.775\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# Training one final model on all data\n",
+        "FINAL MODEL for release: trained on ALL five wells (no held-out test). The reported metrics come from the leave-one-well-out evaluation;this all-data model is the usable artifact for sharing, not for reporting numbers on."
+      ],
+      "metadata": {
+        "id": "eg-lr5JQYqed"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "\n",
+        "tf.random.set_seed(0)\n",
+        "final_model = build_dualhead()\n",
+        "\n",
+        "y_all = [\n",
+        "    y_present,\n",
+        "    np.stack([y_onset, y_offset], axis=1),\n",
+        "    y_type,\n",
+        "]\n",
+        "sw_all = [\n",
+        "    np.ones(len(y_present), dtype='float32'),  # presence: all windows\n",
+        "    y_present,                                  # interval: events only\n",
+        "    y_present,                                  # etype: events only\n",
+        "]\n",
+        "\n",
+        "final_model.fit(X_all, y_all, sample_weight=sw_all,\n",
+        "                epochs=40, batch_size=32, verbose=0)\n",
+        "\n",
+        "final_model.save('volve_dualhead_model.keras')\n",
+        "print(\"Saved: volve_dualhead_model.keras\")\n",
+        "\n",
+        "reloaded = tf.keras.models.load_model('volve_dualhead_model.keras')\n",
+        "check = reloaded.predict(X_all[:3], verbose=0)\n",
+        "print(\"Reload OK  presence preds on 3 windows:\", check[0].ravel().round(3))\n",
+        "\n",
+        "\n",
+        "files.download('volve_dualhead_model.keras')"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 52
+        },
+        "id": "DV-KqErZYuZK",
+        "outputId": "84241355-e417-47a7-d6d1-6ea0fc958a8a"
+      },
+      "execution_count": 22,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Saved: volve_dualhead_model.keras\n",
+            "Reload OK  presence preds on 3 windows: [0.556 0.102 0.136]\n"
+          ]
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "<IPython.core.display.Javascript object>"
+            ],
+            "application/javascript": [
+              "\n",
+              "    async function download(id, filename, size) {\n",
+              "      if (!google.colab.kernel.accessAllowed) {\n",
+              "        return;\n",
+              "      }\n",
+              "      const div = document.createElement('div');\n",
+              "      const label = document.createElement('label');\n",
+              "      label.textContent = `Downloading \"${filename}\": `;\n",
+              "      div.appendChild(label);\n",
+              "      const progress = document.createElement('progress');\n",
+              "      progress.max = size;\n",
+              "      div.appendChild(progress);\n",
+              "      document.body.appendChild(div);\n",
+              "\n",
+              "      const buffers = [];\n",
+              "      let downloaded = 0;\n",
+              "\n",
+              "      const channel = await google.colab.kernel.comms.open(id);\n",
+              "      // Send a message to notify the kernel that we're ready.\n",
+              "      channel.send({})\n",
+              "\n",
+              "      for await (const message of channel.messages) {\n",
+              "        // Send a message to notify the kernel that we're ready.\n",
+              "        channel.send({})\n",
+              "        if (message.buffers) {\n",
+              "          for (const buffer of message.buffers) {\n",
+              "            buffers.push(buffer);\n",
+              "            downloaded += buffer.byteLength;\n",
+              "            progress.value = downloaded;\n",
+              "          }\n",
+              "        }\n",
+              "      }\n",
+              "      const blob = new Blob(buffers, {type: 'application/binary'});\n",
+              "      const a = document.createElement('a');\n",
+              "      a.href = window.URL.createObjectURL(blob);\n",
+              "      a.download = filename;\n",
+              "      div.appendChild(a);\n",
+              "      a.click();\n",
+              "      div.remove();\n",
+              "    }\n",
+              "  "
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "<IPython.core.display.Javascript object>"
+            ],
+            "application/javascript": [
+              "download(\"download_c9c66de3-90b3-4005-a542-f66f498484c3\", \"volve_dualhead_model.keras\", 100124)"
+            ]
+          },
+          "metadata": {}
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "### Final model for release\n",
+        "\n",
+        "This is a single dual-head model trained on **all five wells** (no held-out test). It is the usable artifact for sharing — the reported metrics come from the leave-one-well-out evaluation above, while this all-data model is what someone would download and run on new data.\n",
+        "\n",
+        "Saved as `volve_dualhead_model.keras`. The reload check predicts on just the first 3 windows to confirm the file works, the model itself handles any number of windows.\n",
+        "\n",
+        "**To use it on new data:** the input must be shaped `(N, 60, 14)` and prepared the same way as here (oil producers, reduced reliable-channel features, per-well normalization). Raw telemetry fed in directly will not give meaningful results."
+      ],
+      "metadata": {
+        "id": "d1qH1NQEZx22"
+      }
+    }
+  ]
+}

volve_dualhead_model.keras

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5abe2a4bf514a1e0186053887649a2d18f10fe7a12ce9cab78f2b30e78e9bc7
+size 100124

volve_events_provenance.csv

@@ -0,0 +1,237 @@
+event_id,well,onset,offset,event_type,channels,pud_rationale,detail
+VOLVE-EV-0000,15/9-F-1 C,2014-04-08,2014-04-20,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span
+VOLVE-EV-0001,15/9-F-1 C,2014-08-19,2014-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,14-day zero-onstream span
+VOLVE-EV-0002,15/9-F-1 C,2014-11-25,2014-11-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0003,15/9-F-1 C,2014-11-30,2014-12-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0004,15/9-F-1 C,2014-12-02,2014-12-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span
+VOLVE-EV-0005,15/9-F-1 C,2014-12-06,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,26-day zero-onstream span
+VOLVE-EV-0006,15/9-F-1 C,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0007,15/9-F-1 C,2015-01-22,2015-01-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,7-day zero-onstream span
+VOLVE-EV-0008,15/9-F-1 C,2015-01-31,2015-02-08,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span
+VOLVE-EV-0009,15/9-F-1 C,2015-02-09,2015-02-10,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0010,15/9-F-1 C,2015-02-28,2015-03-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span
+VOLVE-EV-0011,15/9-F-1 C,2015-03-18,2015-03-19,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0012,15/9-F-1 C,2015-04-02,2015-04-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span
+VOLVE-EV-0013,15/9-F-1 C,2015-04-20,2015-04-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0014,15/9-F-1 C,2015-05-04,2015-05-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span
+VOLVE-EV-0015,15/9-F-1 C,2015-05-22,2015-05-23,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0016,15/9-F-1 C,2015-05-28,2015-06-10,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,14-day zero-onstream span
+VOLVE-EV-0017,15/9-F-1 C,2015-06-11,2015-06-12,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0018,15/9-F-1 C,2015-07-02,2015-07-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,20-day zero-onstream span
+VOLVE-EV-0019,15/9-F-1 C,2015-07-22,2015-07-23,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0020,15/9-F-1 C,2015-08-08,2015-09-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,27-day zero-onstream span
+VOLVE-EV-0021,15/9-F-1 C,2015-09-04,2015-09-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0022,15/9-F-1 C,2015-09-21,2015-10-13,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,23-day zero-onstream span
+VOLVE-EV-0023,15/9-F-1 C,2015-10-14,2015-10-15,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0024,15/9-F-1 C,2015-10-31,2015-11-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span
+VOLVE-EV-0025,15/9-F-1 C,2015-11-18,2015-11-19,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0026,15/9-F-1 C,2015-12-10,2016-01-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,25-day zero-onstream span
+VOLVE-EV-0027,15/9-F-1 C,2016-01-04,2016-01-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0028,15/9-F-1 C,2016-01-21,2016-02-05,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span
+VOLVE-EV-0029,15/9-F-1 C,2016-02-06,2016-02-07,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0030,15/9-F-1 C,2016-02-27,2016-03-16,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,19-day zero-onstream span
+VOLVE-EV-0031,15/9-F-1 C,2016-03-17,2016-03-18,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0032,15/9-F-1 C,2016-04-07,2016-04-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span
+VOLVE-EV-0033,15/9-F-1 C,2014-10-01,2014-10-14,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5
+VOLVE-EV-0034,15/9-F-1 C,2014-04-24,2014-05-24,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 1116->768 at stable choke
+VOLVE-EV-0035,15/9-F-11,2013-07-08,2013-07-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span
+VOLVE-EV-0036,15/9-F-11,2013-07-24,2013-07-25,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0037,15/9-F-11,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0038,15/9-F-11,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0039,15/9-F-11,2013-08-28,2013-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0040,15/9-F-11,2013-09-02,2013-09-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0041,15/9-F-11,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0042,15/9-F-11,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0043,15/9-F-11,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0044,15/9-F-11,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0045,15/9-F-11,2015-10-27,2015-10-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0046,15/9-F-11,2015-10-29,2015-10-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0047,15/9-F-11,2015-10-31,2015-11-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span
+VOLVE-EV-0048,15/9-F-11,2015-11-03,2015-11-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0049,15/9-F-11,2016-04-21,2016-04-22,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0050,15/9-F-11,2016-04-23,2016-04-24,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0051,15/9-F-11,2015-08-13,2015-08-26,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5
+VOLVE-EV-0052,15/9-F-11,2014-03-01,2014-03-31,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 1216->686 at stable choke
+VOLVE-EV-0053,15/9-F-12,2008-05-31,2008-06-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0054,15/9-F-12,2008-06-02,2008-06-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0055,15/9-F-12,2008-09-03,2008-09-05,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span
+VOLVE-EV-0056,15/9-F-12,2008-09-06,2008-09-07,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0057,15/9-F-12,2009-03-26,2009-03-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0058,15/9-F-12,2009-03-30,2009-03-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0059,15/9-F-12,2009-08-30,2009-09-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0060,15/9-F-12,2009-09-05,2009-09-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0061,15/9-F-12,2009-09-27,2009-09-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0062,15/9-F-12,2009-10-01,2009-10-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0063,15/9-F-12,2010-08-17,2010-08-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span
+VOLVE-EV-0064,15/9-F-12,2010-08-29,2010-08-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0065,15/9-F-12,2011-06-24,2011-06-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0066,15/9-F-12,2011-07-01,2011-07-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0067,15/9-F-12,2011-07-13,2011-07-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0068,15/9-F-12,2011-07-15,2011-07-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0069,15/9-F-12,2011-07-17,2011-07-18,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0070,15/9-F-12,2011-07-20,2011-07-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0071,15/9-F-12,2011-07-23,2011-07-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0072,15/9-F-12,2011-07-25,2011-07-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0073,15/9-F-12,2011-07-31,2011-08-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0074,15/9-F-12,2011-08-04,2011-08-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0075,15/9-F-12,2011-10-19,2011-11-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span
+VOLVE-EV-0076,15/9-F-12,2011-11-05,2011-11-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0077,15/9-F-12,2012-08-13,2012-09-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,31-day zero-onstream span
+VOLVE-EV-0078,15/9-F-12,2012-09-29,2012-09-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0079,15/9-F-12,2013-03-13,2013-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,12-day zero-onstream span
+VOLVE-EV-0080,15/9-F-12,2013-03-25,2013-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0081,15/9-F-12,2013-04-03,2013-04-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0082,15/9-F-12,2013-04-05,2013-04-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0083,15/9-F-12,2013-06-22,2013-06-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0084,15/9-F-12,2013-06-26,2013-06-27,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0085,15/9-F-12,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0086,15/9-F-12,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0087,15/9-F-12,2013-11-05,2013-11-06,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0088,15/9-F-12,2013-11-07,2013-11-08,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0089,15/9-F-12,2014-01-19,2014-01-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0090,15/9-F-12,2014-01-24,2014-01-25,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0091,15/9-F-12,2014-05-09,2014-05-10,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0092,15/9-F-12,2014-05-11,2014-05-12,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0093,15/9-F-12,2014-05-16,2014-05-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span
+VOLVE-EV-0094,15/9-F-12,2014-05-25,2014-05-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0095,15/9-F-12,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0096,15/9-F-12,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0097,15/9-F-12,2014-11-25,2014-11-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span
+VOLVE-EV-0098,15/9-F-12,2014-11-28,2014-11-29,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0099,15/9-F-12,2014-11-30,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,32-day zero-onstream span
+VOLVE-EV-0100,15/9-F-12,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0101,15/9-F-12,2015-03-23,2015-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0102,15/9-F-12,2015-03-25,2015-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0103,15/9-F-12,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0104,15/9-F-12,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0105,15/9-F-12,2016-08-13,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,36-day zero-onstream span
+VOLVE-EV-0106,15/9-F-12,2010-05-22,2010-06-04,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5
+VOLVE-EV-0107,15/9-F-12,2008-02-29,2008-03-30,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 2878->1981 at stable choke
+VOLVE-EV-0108,15/9-F-12,2008-02-22,2008-02-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0109,15/9-F-12,2008-03-27,2008-03-28,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0110,15/9-F-12,2008-05-31,2008-06-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0111,15/9-F-12,2008-09-04,2008-09-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0112,15/9-F-12,2008-09-09,2008-09-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0113,15/9-F-12,2009-03-15,2009-03-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0114,15/9-F-12,2009-03-17,2009-03-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0115,15/9-F-12,2009-03-26,2009-03-30,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d)
+VOLVE-EV-0116,15/9-F-12,2009-09-03,2009-09-04,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0117,15/9-F-12,2010-08-22,2010-08-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0118,15/9-F-12,2011-07-15,2011-07-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0119,15/9-F-12,2011-07-27,2011-07-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0120,15/9-F-12,2011-10-21,2011-10-21,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0121,15/9-F-12,2011-11-05,2011-11-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0122,15/9-F-12,2011-12-10,2011-12-10,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0123,15/9-F-12,2011-12-29,2011-12-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0124,15/9-F-12,2012-01-14,2012-01-14,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0125,15/9-F-12,2012-08-15,2012-09-16,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (23d)
+VOLVE-EV-0126,15/9-F-12,2015-08-26,2015-08-26,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0127,15/9-F-12,2016-08-16,2016-08-18,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d)
+VOLVE-EV-0128,15/9-F-14,2008-02-12,2008-07-12,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,151-day zero-onstream span
+VOLVE-EV-0129,15/9-F-14,2008-07-13,2008-07-14,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0130,15/9-F-14,2008-08-22,2008-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span
+VOLVE-EV-0131,15/9-F-14,2008-08-31,2008-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0132,15/9-F-14,2009-03-26,2009-03-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0133,15/9-F-14,2009-03-30,2009-03-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0134,15/9-F-14,2009-04-06,2009-04-07,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0135,15/9-F-14,2009-04-08,2009-04-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0136,15/9-F-14,2009-04-10,2009-04-11,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0137,15/9-F-14,2009-04-12,2009-04-13,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0138,15/9-F-14,2009-09-02,2009-09-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0139,15/9-F-14,2009-09-04,2009-09-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0140,15/9-F-14,2009-09-27,2009-09-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0141,15/9-F-14,2009-10-01,2009-10-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0142,15/9-F-14,2010-08-17,2010-08-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span
+VOLVE-EV-0143,15/9-F-14,2010-08-29,2010-08-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0144,15/9-F-14,2011-06-24,2011-06-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0145,15/9-F-14,2011-07-01,2011-07-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0146,15/9-F-14,2011-07-13,2011-07-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0147,15/9-F-14,2011-07-15,2011-07-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0148,15/9-F-14,2011-07-17,2011-07-18,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0149,15/9-F-14,2011-07-20,2011-07-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0150,15/9-F-14,2011-07-23,2011-07-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0151,15/9-F-14,2011-07-25,2011-07-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0152,15/9-F-14,2011-07-31,2011-08-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0153,15/9-F-14,2011-08-04,2011-08-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0154,15/9-F-14,2011-10-19,2011-11-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span
+VOLVE-EV-0155,15/9-F-14,2011-11-05,2011-11-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0156,15/9-F-14,2012-08-13,2012-09-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,31-day zero-onstream span
+VOLVE-EV-0157,15/9-F-14,2012-09-29,2012-09-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0158,15/9-F-14,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0159,15/9-F-14,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0160,15/9-F-14,2013-10-28,2013-10-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0161,15/9-F-14,2013-10-30,2013-10-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0162,15/9-F-14,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span
+VOLVE-EV-0163,15/9-F-14,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0164,15/9-F-14,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0165,15/9-F-14,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0166,15/9-F-14,2016-07-14,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,66-day zero-onstream span
+VOLVE-EV-0167,15/9-F-14,2010-03-29,2010-04-11,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5
+VOLVE-EV-0168,15/9-F-14,2008-08-03,2008-09-03,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 3118->1661 at stable choke
+VOLVE-EV-0169,15/9-F-14,2008-02-15,2008-02-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d)
+VOLVE-EV-0170,15/9-F-14,2008-02-20,2008-02-20,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0171,15/9-F-14,2008-02-22,2008-02-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0172,15/9-F-14,2008-02-27,2008-03-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (8d)
+VOLVE-EV-0173,15/9-F-14,2008-03-07,2008-03-07,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0174,15/9-F-14,2008-03-10,2008-03-14,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d)
+VOLVE-EV-0175,15/9-F-14,2008-03-16,2008-03-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (14d)
+VOLVE-EV-0176,15/9-F-14,2008-07-01,2008-07-08,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (8d)
+VOLVE-EV-0177,15/9-F-14,2012-07-22,2012-07-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0178,15/9-F-14,2012-08-15,2012-08-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d)
+VOLVE-EV-0179,15/9-F-14,2012-09-01,2012-09-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0180,15/9-F-14,2012-09-17,2012-09-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (7d)
+VOLVE-EV-0181,15/9-F-14,2012-10-19,2012-10-19,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0182,15/9-F-14,2013-03-21,2013-03-21,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0183,15/9-F-14,2013-04-09,2013-04-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0184,15/9-F-14,2013-08-01,2013-08-02,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0185,15/9-F-14,2013-10-28,2013-10-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0186,15/9-F-14,2013-12-11,2013-12-11,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0187,15/9-F-14,2014-05-09,2014-05-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0188,15/9-F-14,2014-08-20,2014-08-24,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d)
+VOLVE-EV-0189,15/9-F-14,2014-12-02,2014-12-23,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (22d)
+VOLVE-EV-0190,15/9-F-14,2015-01-09,2015-01-10,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0191,15/9-F-14,2015-01-27,2015-01-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0192,15/9-F-14,2015-02-04,2015-02-04,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0193,15/9-F-14,2015-08-26,2015-08-26,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0194,15/9-F-14,2015-08-31,2015-09-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0195,15/9-F-14,2016-01-03,2016-01-03,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0196,15/9-F-14,2016-07-14,2016-07-30,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (17d)
+VOLVE-EV-0197,15/9-F-14,2016-08-03,2016-09-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (46d)
+VOLVE-EV-0198,15/9-F-15 D,2014-01-12,2014-01-15,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0199,15/9-F-15 D,2014-01-16,2014-01-17,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0200,15/9-F-15 D,2014-08-20,2014-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span
+VOLVE-EV-0201,15/9-F-15 D,2014-09-02,2014-09-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0202,15/9-F-15 D,2014-11-26,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,36-day zero-onstream span
+VOLVE-EV-0203,15/9-F-15 D,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0204,15/9-F-15 D,2015-03-23,2015-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0205,15/9-F-15 D,2015-03-25,2015-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0206,15/9-F-15 D,2015-07-19,2015-08-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,27-day zero-onstream span
+VOLVE-EV-0207,15/9-F-15 D,2015-08-15,2015-08-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0208,15/9-F-15 D,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0209,15/9-F-15 D,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0210,15/9-F-15 D,2015-11-23,2015-12-08,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span
+VOLVE-EV-0211,15/9-F-15 D,2015-12-09,2015-12-10,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0212,15/9-F-15 D,2016-01-05,2016-01-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span
+VOLVE-EV-0213,15/9-F-15 D,2016-01-20,2016-01-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0214,15/9-F-15 D,2016-03-25,2016-04-06,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span
+VOLVE-EV-0215,15/9-F-15 D,2016-04-07,2016-04-08,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0216,15/9-F-15 D,2016-05-02,2016-05-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span
+VOLVE-EV-0217,15/9-F-15 D,2016-05-04,2016-05-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0218,15/9-F-15 D,2016-06-04,2016-06-07,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span
+VOLVE-EV-0219,15/9-F-15 D,2016-06-08,2016-06-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0220,15/9-F-15 D,2016-07-07,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,73-day zero-onstream span
+VOLVE-EV-0221,15/9-F-15 D,2015-12-11,2015-12-24,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5
+VOLVE-EV-0222,15/9-F-15 D,2014-02-24,2014-03-26,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 251->170 at stable choke
+VOLVE-EV-0223,15/9-F-15 D,2014-01-15,2014-01-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0224,15/9-F-15 D,2015-08-31,2015-08-31,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0225,15/9-F-15 D,2015-11-19,2015-11-20,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0226,15/9-F-15 D,2016-01-12,2016-01-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (6d)
+VOLVE-EV-0227,15/9-F-15 D,2016-04-03,2016-04-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d)
+VOLVE-EV-0228,15/9-F-15 D,2016-07-08,2016-07-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0229,15/9-F-5,2016-04-12,2016-04-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,8-day zero-onstream span
+VOLVE-EV-0230,15/9-F-5,2016-04-20,2016-04-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in
+VOLVE-EV-0231,15/9-F-5,2016-08-27,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span
+VOLVE-EV-0232,15/9-F-5,2016-04-13,2016-04-19,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (7d)
+VOLVE-EV-0233,15/9-F-5,2016-04-22,2016-04-23,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d)
+VOLVE-EV-0234,15/9-F-5,2016-08-28,2016-08-28,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d)
+VOLVE-EV-0235,15/9-F-5,2016-08-30,2016-09-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (12d)

volve_grounded_events.csv

@@ -0,0 +1,237 @@
+event_id,well,onset,offset,event_type,channels,pud_rationale,detail,duration_days
+VOLVE-EV-0000,15/9-F-1 C,2014-04-08,2014-04-20,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span,13
+VOLVE-EV-0001,15/9-F-1 C,2014-08-19,2014-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,14-day zero-onstream span,14
+VOLVE-EV-0002,15/9-F-1 C,2014-11-25,2014-11-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0003,15/9-F-1 C,2014-11-30,2014-12-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0004,15/9-F-1 C,2014-12-02,2014-12-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span,3
+VOLVE-EV-0005,15/9-F-1 C,2014-12-06,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,26-day zero-onstream span,26
+VOLVE-EV-0006,15/9-F-1 C,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0007,15/9-F-1 C,2015-01-22,2015-01-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,7-day zero-onstream span,7
+VOLVE-EV-0008,15/9-F-1 C,2015-01-31,2015-02-08,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span,9
+VOLVE-EV-0009,15/9-F-1 C,2015-02-09,2015-02-10,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0010,15/9-F-1 C,2015-02-28,2015-03-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span,18
+VOLVE-EV-0011,15/9-F-1 C,2015-03-18,2015-03-19,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0012,15/9-F-1 C,2015-04-02,2015-04-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span,18
+VOLVE-EV-0013,15/9-F-1 C,2015-04-20,2015-04-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0014,15/9-F-1 C,2015-05-04,2015-05-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span,18
+VOLVE-EV-0015,15/9-F-1 C,2015-05-22,2015-05-23,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0016,15/9-F-1 C,2015-05-28,2015-06-10,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,14-day zero-onstream span,14
+VOLVE-EV-0017,15/9-F-1 C,2015-06-11,2015-06-12,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0018,15/9-F-1 C,2015-07-02,2015-07-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,20-day zero-onstream span,20
+VOLVE-EV-0019,15/9-F-1 C,2015-07-22,2015-07-23,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0020,15/9-F-1 C,2015-08-08,2015-09-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,27-day zero-onstream span,27
+VOLVE-EV-0021,15/9-F-1 C,2015-09-04,2015-09-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0022,15/9-F-1 C,2015-09-21,2015-10-13,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,23-day zero-onstream span,23
+VOLVE-EV-0023,15/9-F-1 C,2015-10-14,2015-10-15,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0024,15/9-F-1 C,2015-10-31,2015-11-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,18-day zero-onstream span,18
+VOLVE-EV-0025,15/9-F-1 C,2015-11-18,2015-11-19,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0026,15/9-F-1 C,2015-12-10,2016-01-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,25-day zero-onstream span,25
+VOLVE-EV-0027,15/9-F-1 C,2016-01-04,2016-01-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0028,15/9-F-1 C,2016-01-21,2016-02-05,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span,16
+VOLVE-EV-0029,15/9-F-1 C,2016-02-06,2016-02-07,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0030,15/9-F-1 C,2016-02-27,2016-03-16,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,19-day zero-onstream span,19
+VOLVE-EV-0031,15/9-F-1 C,2016-03-17,2016-03-18,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0032,15/9-F-1 C,2016-04-07,2016-04-21,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span,15
+VOLVE-EV-0033,15/9-F-1 C,2014-10-01,2014-10-14,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5,14
+VOLVE-EV-0034,15/9-F-1 C,2014-04-24,2014-05-24,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 1116->768 at stable choke,31
+VOLVE-EV-0035,15/9-F-11,2013-07-08,2013-07-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span,16
+VOLVE-EV-0036,15/9-F-11,2013-07-24,2013-07-25,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0037,15/9-F-11,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0038,15/9-F-11,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0039,15/9-F-11,2013-08-28,2013-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0040,15/9-F-11,2013-09-02,2013-09-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0041,15/9-F-11,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0042,15/9-F-11,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0043,15/9-F-11,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0044,15/9-F-11,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0045,15/9-F-11,2015-10-27,2015-10-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0046,15/9-F-11,2015-10-29,2015-10-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0047,15/9-F-11,2015-10-31,2015-11-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span,3
+VOLVE-EV-0048,15/9-F-11,2015-11-03,2015-11-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0049,15/9-F-11,2016-04-21,2016-04-22,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0050,15/9-F-11,2016-04-23,2016-04-24,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0051,15/9-F-11,2015-08-13,2015-08-26,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5,14
+VOLVE-EV-0052,15/9-F-11,2014-03-01,2014-03-31,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 1216->686 at stable choke,31
+VOLVE-EV-0053,15/9-F-12,2008-05-31,2008-06-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0054,15/9-F-12,2008-06-02,2008-06-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0055,15/9-F-12,2008-09-03,2008-09-05,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span,3
+VOLVE-EV-0056,15/9-F-12,2008-09-06,2008-09-07,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0057,15/9-F-12,2009-03-26,2009-03-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0058,15/9-F-12,2009-03-30,2009-03-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0059,15/9-F-12,2009-08-30,2009-09-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,6
+VOLVE-EV-0060,15/9-F-12,2009-09-05,2009-09-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0061,15/9-F-12,2009-09-27,2009-09-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0062,15/9-F-12,2009-10-01,2009-10-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0063,15/9-F-12,2010-08-17,2010-08-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span,12
+VOLVE-EV-0064,15/9-F-12,2010-08-29,2010-08-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0065,15/9-F-12,2011-06-24,2011-06-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,5
+VOLVE-EV-0066,15/9-F-12,2011-07-01,2011-07-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0067,15/9-F-12,2011-07-13,2011-07-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0068,15/9-F-12,2011-07-15,2011-07-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0069,15/9-F-12,2011-07-17,2011-07-18,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0070,15/9-F-12,2011-07-20,2011-07-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0071,15/9-F-12,2011-07-23,2011-07-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0072,15/9-F-12,2011-07-25,2011-07-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0073,15/9-F-12,2011-07-31,2011-08-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0074,15/9-F-12,2011-08-04,2011-08-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0075,15/9-F-12,2011-10-19,2011-11-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span,17
+VOLVE-EV-0076,15/9-F-12,2011-11-05,2011-11-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0077,15/9-F-12,2012-08-13,2012-09-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,31-day zero-onstream span,46
+VOLVE-EV-0078,15/9-F-12,2012-09-29,2012-09-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0079,15/9-F-12,2013-03-13,2013-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,12-day zero-onstream span,12
+VOLVE-EV-0080,15/9-F-12,2013-03-25,2013-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0081,15/9-F-12,2013-04-03,2013-04-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0082,15/9-F-12,2013-04-05,2013-04-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,5
+VOLVE-EV-0083,15/9-F-12,2013-06-22,2013-06-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0084,15/9-F-12,2013-06-26,2013-06-27,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0085,15/9-F-12,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0086,15/9-F-12,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0087,15/9-F-12,2013-11-05,2013-11-06,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0088,15/9-F-12,2013-11-07,2013-11-08,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0089,15/9-F-12,2014-01-19,2014-01-23,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0090,15/9-F-12,2014-01-24,2014-01-25,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0091,15/9-F-12,2014-05-09,2014-05-10,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0092,15/9-F-12,2014-05-11,2014-05-12,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0093,15/9-F-12,2014-05-16,2014-05-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span,9
+VOLVE-EV-0094,15/9-F-12,2014-05-25,2014-05-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0095,15/9-F-12,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0096,15/9-F-12,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0097,15/9-F-12,2014-11-25,2014-11-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,3-day zero-onstream span,3
+VOLVE-EV-0098,15/9-F-12,2014-11-28,2014-11-29,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0099,15/9-F-12,2014-11-30,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,32-day zero-onstream span,32
+VOLVE-EV-0100,15/9-F-12,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0101,15/9-F-12,2015-03-23,2015-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0102,15/9-F-12,2015-03-25,2015-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0103,15/9-F-12,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0104,15/9-F-12,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0105,15/9-F-12,2016-08-13,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,36-day zero-onstream span,36
+VOLVE-EV-0106,15/9-F-12,2010-05-22,2010-06-04,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5,14
+VOLVE-EV-0107,15/9-F-12,2008-02-29,2008-03-30,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 2878->1981 at stable choke,31
+VOLVE-EV-0108,15/9-F-12,2008-02-22,2008-02-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0109,15/9-F-12,2008-03-27,2008-03-28,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0110,15/9-F-12,2008-05-31,2008-06-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0111,15/9-F-12,2008-09-04,2008-09-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0112,15/9-F-12,2008-09-09,2008-09-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0113,15/9-F-12,2009-03-15,2009-03-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0114,15/9-F-12,2009-03-17,2009-03-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0115,15/9-F-12,2009-03-26,2009-03-30,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d),5
+VOLVE-EV-0116,15/9-F-12,2009-09-03,2009-09-04,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0117,15/9-F-12,2010-08-22,2010-08-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0118,15/9-F-12,2011-07-15,2011-07-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0119,15/9-F-12,2011-07-27,2011-07-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0120,15/9-F-12,2011-10-21,2011-10-21,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0121,15/9-F-12,2011-11-05,2011-11-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0122,15/9-F-12,2011-12-10,2011-12-10,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0123,15/9-F-12,2011-12-29,2011-12-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0124,15/9-F-12,2012-01-14,2012-01-14,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0125,15/9-F-12,2012-08-15,2012-09-16,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (23d),33
+VOLVE-EV-0126,15/9-F-12,2015-08-26,2015-08-26,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0127,15/9-F-12,2016-08-16,2016-08-18,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d),3
+VOLVE-EV-0128,15/9-F-14,2008-02-12,2008-07-12,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,151-day zero-onstream span,152
+VOLVE-EV-0129,15/9-F-14,2008-07-13,2008-07-14,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0130,15/9-F-14,2008-08-22,2008-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span,9
+VOLVE-EV-0131,15/9-F-14,2008-08-31,2008-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0132,15/9-F-14,2009-03-26,2009-03-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0133,15/9-F-14,2009-03-30,2009-03-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0134,15/9-F-14,2009-04-06,2009-04-07,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0135,15/9-F-14,2009-04-08,2009-04-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0136,15/9-F-14,2009-04-10,2009-04-11,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0137,15/9-F-14,2009-04-12,2009-04-13,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0138,15/9-F-14,2009-09-02,2009-09-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0139,15/9-F-14,2009-09-04,2009-09-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0140,15/9-F-14,2009-09-27,2009-09-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0141,15/9-F-14,2009-10-01,2009-10-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0142,15/9-F-14,2010-08-17,2010-08-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,9-day zero-onstream span,12
+VOLVE-EV-0143,15/9-F-14,2010-08-29,2010-08-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0144,15/9-F-14,2011-06-24,2011-06-28,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,5
+VOLVE-EV-0145,15/9-F-14,2011-07-01,2011-07-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0146,15/9-F-14,2011-07-13,2011-07-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0147,15/9-F-14,2011-07-15,2011-07-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0148,15/9-F-14,2011-07-17,2011-07-18,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0149,15/9-F-14,2011-07-20,2011-07-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0150,15/9-F-14,2011-07-23,2011-07-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0151,15/9-F-14,2011-07-25,2011-07-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0152,15/9-F-14,2011-07-31,2011-08-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0153,15/9-F-14,2011-08-04,2011-08-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0154,15/9-F-14,2011-10-19,2011-11-04,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span,17
+VOLVE-EV-0155,15/9-F-14,2011-11-05,2011-11-06,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0156,15/9-F-14,2012-08-13,2012-09-27,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,31-day zero-onstream span,46
+VOLVE-EV-0157,15/9-F-14,2012-09-29,2012-09-30,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0158,15/9-F-14,2013-08-01,2013-08-02,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0159,15/9-F-14,2013-08-03,2013-08-04,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0160,15/9-F-14,2013-10-28,2013-10-29,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0161,15/9-F-14,2013-10-30,2013-10-31,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0162,15/9-F-14,2014-08-20,2014-08-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,5-day zero-onstream span,5
+VOLVE-EV-0163,15/9-F-14,2014-08-25,2014-08-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0164,15/9-F-14,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0165,15/9-F-14,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0166,15/9-F-14,2016-07-14,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,66-day zero-onstream span,66
+VOLVE-EV-0167,15/9-F-14,2010-03-29,2010-04-11,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5,14
+VOLVE-EV-0168,15/9-F-14,2008-08-03,2008-09-03,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 3118->1661 at stable choke,32
+VOLVE-EV-0169,15/9-F-14,2008-02-15,2008-02-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d),3
+VOLVE-EV-0170,15/9-F-14,2008-02-20,2008-02-20,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0171,15/9-F-14,2008-02-22,2008-02-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0172,15/9-F-14,2008-02-27,2008-03-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (8d),8
+VOLVE-EV-0173,15/9-F-14,2008-03-07,2008-03-07,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0174,15/9-F-14,2008-03-10,2008-03-14,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d),5
+VOLVE-EV-0175,15/9-F-14,2008-03-16,2008-03-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (14d),14
+VOLVE-EV-0176,15/9-F-14,2008-07-01,2008-07-08,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (8d),8
+VOLVE-EV-0177,15/9-F-14,2012-07-22,2012-07-22,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0178,15/9-F-14,2012-08-15,2012-08-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d),3
+VOLVE-EV-0179,15/9-F-14,2012-09-01,2012-09-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0180,15/9-F-14,2012-09-17,2012-09-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (7d),11
+VOLVE-EV-0181,15/9-F-14,2012-10-19,2012-10-19,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0182,15/9-F-14,2013-03-21,2013-03-21,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0183,15/9-F-14,2013-04-09,2013-04-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0184,15/9-F-14,2013-08-01,2013-08-02,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0185,15/9-F-14,2013-10-28,2013-10-29,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0186,15/9-F-14,2013-12-11,2013-12-11,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0187,15/9-F-14,2014-05-09,2014-05-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0188,15/9-F-14,2014-08-20,2014-08-24,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (5d),5
+VOLVE-EV-0189,15/9-F-14,2014-12-02,2014-12-23,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (22d),22
+VOLVE-EV-0190,15/9-F-14,2015-01-09,2015-01-10,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0191,15/9-F-14,2015-01-27,2015-01-27,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0192,15/9-F-14,2015-02-04,2015-02-04,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0193,15/9-F-14,2015-08-26,2015-08-26,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0194,15/9-F-14,2015-08-31,2015-09-01,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0195,15/9-F-14,2016-01-03,2016-01-03,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0196,15/9-F-14,2016-07-14,2016-07-30,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (17d),17
+VOLVE-EV-0197,15/9-F-14,2016-08-03,2016-09-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (46d),46
+VOLVE-EV-0198,15/9-F-15 D,2014-01-12,2014-01-15,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0199,15/9-F-15 D,2014-01-16,2014-01-17,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0200,15/9-F-15 D,2014-08-20,2014-09-01,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span,13
+VOLVE-EV-0201,15/9-F-15 D,2014-09-02,2014-09-03,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0202,15/9-F-15 D,2014-11-26,2014-12-31,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,36-day zero-onstream span,36
+VOLVE-EV-0203,15/9-F-15 D,2015-01-01,2015-01-02,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0204,15/9-F-15 D,2015-03-23,2015-03-24,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0205,15/9-F-15 D,2015-03-25,2015-03-26,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0206,15/9-F-15 D,2015-07-19,2015-08-14,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,27-day zero-onstream span,27
+VOLVE-EV-0207,15/9-F-15 D,2015-08-15,2015-08-16,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0208,15/9-F-15 D,2015-08-27,2015-08-30,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0209,15/9-F-15 D,2015-08-31,2015-09-01,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0210,15/9-F-15 D,2015-11-23,2015-12-08,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,16-day zero-onstream span,16
+VOLVE-EV-0211,15/9-F-15 D,2015-12-09,2015-12-10,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0212,15/9-F-15 D,2016-01-05,2016-01-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span,15
+VOLVE-EV-0213,15/9-F-15 D,2016-01-20,2016-01-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0214,15/9-F-15 D,2016-03-25,2016-04-06,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,13-day zero-onstream span,13
+VOLVE-EV-0215,15/9-F-15 D,2016-04-07,2016-04-08,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0216,15/9-F-15 D,2016-05-02,2016-05-03,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,2-day zero-onstream span,2
+VOLVE-EV-0217,15/9-F-15 D,2016-05-04,2016-05-05,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0218,15/9-F-15 D,2016-06-04,2016-06-07,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,4-day zero-onstream span,4
+VOLVE-EV-0219,15/9-F-15 D,2016-06-08,2016-06-09,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0220,15/9-F-15 D,2016-07-07,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,73-day zero-onstream span,73
+VOLVE-EV-0221,15/9-F-15 D,2015-12-11,2015-12-24,water_breakthrough,water_cut;water_vol,PUD S4.5.2: injection water breaks through ~2 yr into production; sustained water-cut rise is the documented breakthrough mechanism.,water-cut sustained >=0.5,14
+VOLVE-EV-0222,15/9-F-15 D,2014-02-24,2014-03-26,productivity_loss,oil_vol;choke_pct,PUD S5.3.1/S5.3.4: barium/strontium scaling & asphaltene precipitation reduce productivity; sustained rate decline at stable choke.,oil 251->170 at stable choke,31
+VOLVE-EV-0223,15/9-F-15 D,2014-01-15,2014-01-15,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0224,15/9-F-15 D,2015-08-31,2015-08-31,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0225,15/9-F-15 D,2015-11-19,2015-11-20,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0226,15/9-F-15 D,2016-01-12,2016-01-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (6d),6
+VOLVE-EV-0227,15/9-F-15 D,2016-04-03,2016-04-05,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (3d),3
+VOLVE-EV-0228,15/9-F-15 D,2016-07-08,2016-07-09,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0229,15/9-F-5,2016-04-12,2016-04-19,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,8-day zero-onstream span,8
+VOLVE-EV-0230,15/9-F-5,2016-04-20,2016-04-21,restart_transient,on_stream_hrs;whp;oil_vol,PUD S5.2/S4.5: gas-lift used to restart wells after shut-in; abrupt pressure/rate recovery after a stop is a documented restart signature.,rate recovery post shut-in,2
+VOLVE-EV-0231,15/9-F-5,2016-08-27,2016-09-17,shut_in,on_stream_hrs,PUD S5.3.2/S5.3.6: hydrate & wax risk arises specifically during well shut-in; on_stream_hrs->0 with live well = documented shut-in condition.,15-day zero-onstream span,22
+VOLVE-EV-0232,15/9-F-5,2016-04-13,2016-04-19,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (7d),7
+VOLVE-EV-0233,15/9-F-5,2016-04-22,2016-04-23,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (2d),2
+VOLVE-EV-0234,15/9-F-5,2016-08-28,2016-08-28,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (1d),1
+VOLVE-EV-0235,15/9-F-5,2016-08-30,2016-09-17,gaslift_instability,annulus_press,PUD S5.2: gas-lift wells show annulus-pressure instability; anomalous annulus-pressure deviation is a documented lift-system signature.,annulus z>3 (12d),19

volve_well_daily.parquet

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