The Migration of Coalbed Methane under Mining Pressure and Air Injection: A Case Study in China

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2018/4034296/figures/4034296.fig.008a.svgz" name="4034296.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Methane pressure varies with extraction time</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2018/4034296/figures/4034296.fig.008b.svgz" name="4034296.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Methane concentration changes with the time</td></tr></table>

<div>Comparison of field methane pressure and numerical model results.</div>

Geofluids

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Figure 8

Figure 8: The Migration of Coalbed Methane under Mining Pressure and Air Injection: A Case Study in China 