Research Article
Numerical Simulation Research on Hydraulic Fracturing Promoting Coalbed Methane Extraction
Figure 5
Variation of coalbed methane pressure with different initial coalbed permeability. (a) k0 = 5 × 10−17 m2. (b) k0 = 9 × 10−17 m2. (c) k0 = 13 × 10−17 m2. (d) k0 = 17 × 10−17 m2.
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