Study on the Permeability Evolution and Its Formation Mechanism of Xiaojihan Aquifer Coal Seam under Plastic Flow

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/2147503/figures/2147503.fig.0020a.svgz" name="2147503.fig.0020a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Confining pressure influence coefficient</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/2147503/figures/2147503.fig.0020b.svgz" name="2147503.fig.0020b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Permeability recovery coefficient</td></tr></table>

<div>The comparison of the confining pressure influence coefficient and permeability recovery coefficient between two kinds of specimens.</div>

Geofluids

fig20

Figure 20

Figure 20: Study on the Permeability Evolution and Its Formation Mechanism of Xiaojihan Aquifer Coal Seam under Plastic Flow 