{
  "app": "ST_Sonic_Tc",
  "model_file": "tc_model.joblib",
  "features": [
    "WOB (klbf)",
    "Torque (kft.lbf)",
    "SPP (psi)",
    "RPM (1/min)",
    "ROP (ft/h)",
    "Flow Rate (gpm)"
  ],
  "target": "Tc",
  "pred_col": "Tc_Pred",
  "versions": {
    "numpy": "2.0.2",
    "scikit_learn": "1.6.1"
  },
  "notes": "Units: \u00b5s/ft. RF params (from paper): n_estimators=100, max_depth=14, max_features='sqrt', min_samples_split=2, min_samples_leaf=1."
}