Research Article
Numerical Simulation and Engineering Application of Coalbed Water Injection
Figure 6
Coalbed water pressure distribution under different boreholes with 10 h water injection: borehole diameter of (a) 42 mm; (b) 63 mm; (c) 80 mm; and (d) 108 mm.
(a) |
(b) |
(c) |
(d) |