Research Article
Probabilistic Evaluation of Hydraulic Fracture Performance Using Ensemble Machine Learning
Table 2
Statistical properties of the variables.
| | Parameter | Range | Mean | Standard deviation |
| | Absolute open flow (104 m3/day) | 0.4~21.5 | 5.5 | 3.2 | | Formation thickness (m) | 1.7~38.0 | 14.6 | 6.6 | | True vertical depth (m) | 2534~3699 | 3025 | 175.7 | | Formation porosity (%) | 4.8~12.7 | 8.8 | 1.7 | | Matrix permeability (mD) | 0.1~5.1 | 0.8 | 0.7 | | Gas saturation (%) | 30.5~78.5 | 59.2 | 6.3 | | Pad fluid volume (m3) | 39.0~830.0 | 249.8 | 158.5 | | Slurry fluid volume (m3) | 88.2~933.7 | 310.5 | 153.2 | | Proppant fluid ratio (%) | 3.1~45.6 | 27.4 | 9.3 | | Total fluid volume (m3) | 144.2~1560.0 | 589.7 | 292.6 | | Injection rate (m3/min) | 1.4~11.0 | 3.2 | 1.1 |
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