Research Article
A Novel Stacking Heterogeneous Ensemble Model with Hybrid Wrapper-Based Feature Selection for Reservoir Productivity Predictions
Table 1
Parameters and abbreviations for the input and target variables.
| Parameter type | Parameter | Abbreviation |
| Input variables | Effective thickness | ET | Showing thickness | ST | Leakage | Leakage | Total hydrocarbon | TH | Gamma ray | GR | Compensated sonic | CS | Compensated neutron | CN | Compensated density | CD | Deep lateral resistivity | DLR | Short lateral resistivity | SLR | The difference of depth lateral resistivity | DDLR | The ratio of depth lateral resistivity | RDLR | Porosity | Porosity | Water saturation | WS | Formation reserve coefficient | FRC | Gas reserve coefficient | GRC | Slickwater | SW | Gelled acid | GA | The volume of injected liquid | VIL | Injection rates | IR | Tubing pressure | TuP | Stopped pump pressure | SPP | Pressure decline speed | PDS | Flow-back rate | FR |
| Target variables | The test production | TP |
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