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

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">N<sub>2</sub> injection time (h)</td><td class="align_center">N<sub>2</sub> injection influence radius (m)</td><td class="align_center">Increase radius before and after N<sub>2</sub> injection flow rate</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.8</td><td class="align_center">10.9</td></tr><tr><td class="align_left">2</td><td class="align_center">1.0</td><td class="align_center">6.7</td></tr><tr><td class="align_left">4</td><td class="align_center">1.5</td><td class="align_center">6.6</td></tr><tr><td class="align_left">7</td><td class="align_center">2.0</td><td class="align_center">7.2</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Test results for the influence radius.</div>

Geofluids

tab4

Table 4

Table 4: Time Characteristics of the Influence Radius by Injecting N<sub>2</sub> to Displace Coalbed Methane: A Case Study 

Geofluids

Time Characteristics of the Influence Radius by Injecting N2 to Displace Coalbed Methane: A Case Study

Table 4

Time Characteristics of the Influence Radius by Injecting N₂ to Displace Coalbed Methane: A Case Study