Time Characteristics of the Influence Radius by Injecting N<sub>2</sub> to Displace Coalbed Methane: A Case Study

<div>Influence radius under 0.5 MPa N<sub>2</sub> injection pressure.</div>

Geofluids

Figure 9: Time Characteristics of the Influence Radius by Injecting N<sub>2</sub> to Displace Coalbed Methane: A Case Study 