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

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

Geofluids

fig1

Figure 1

Figure 1: Simulation of the Extraction Efficiency of Coalbed Methane under Water Injection: A Gas-Liquid-Solid Coupling Model 