Simulation of the Extraction Efficiency of Coalbed Methane under Water Injection: A Gas-Liquid-Solid Coupling Model

<div>The uniaxial compressive strength changes with water injection ((a) coal samples from the Pingdingshan No. 10 coal mine; (b) coal samples from the Gushuyuan coal mine).</div>

Geofluids

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Figure 2

Figure 2: Simulation of the Extraction Efficiency of Coalbed Methane under Water Injection: A Gas-Liquid-Solid Coupling Model 