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 (%)
0.10.51.01.52.02.53.0

140.0540.270.530.801.061.331.59
260.0350.180.360.530.710.891.06
380.0260.130.270.400.530.670.80
4100.0210.110.220.320.430.530.64
5120.0180.0890.180.270.360.450.53