Research Article
Numerical Simulation and Engineering Application of Coalbed Water Injection
Table 2
Water pressure of the coalbed corresponding to different moisture increments (MPa).
| No. | Porosity ε (%) | Moisture increment f (%) | 0.1 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 |
| 1 | 4 | 0.054 | 0.27 | 0.53 | 0.80 | 1.06 | 1.33 | 1.59 | 2 | 6 | 0.035 | 0.18 | 0.36 | 0.53 | 0.71 | 0.89 | 1.06 | 3 | 8 | 0.026 | 0.13 | 0.27 | 0.40 | 0.53 | 0.67 | 0.80 | 4 | 10 | 0.021 | 0.11 | 0.22 | 0.32 | 0.43 | 0.53 | 0.64 | 5 | 12 | 0.018 | 0.089 | 0.18 | 0.27 | 0.36 | 0.45 | 0.53 |
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