Gas Displacement Engineering Test by Combination of Low and Medium Pressure Injection with Liquid CO<sub>2</sub> in High Gas and Low Permeability Coal Seam

<div>Schematic diagram of drilling layout of liquid CO<sub>2</sub> injection system.</div>

Geofluids

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Figure 4

Figure 4: Gas Displacement Engineering Test by Combination of Low and Medium Pressure Injection with Liquid CO<sub>2</sub> in High Gas and Low Permeability Coal Seam 

Figure 4 | Gas Displacement Engineering Test by Combination of Low and Medium Pressure Injection with Liquid CO2 in High Gas and Low Permeability Coal Seam 