Experimental Study on the Suspension Amount of Invasion Gas in Drilling Fluid with Yield Stress

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/7225280/figures/7225280.fig.009a.svgz" name="7225280.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Stir-depressurization experiment</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/7225280/figures/7225280.fig.009b.svgz" name="7225280.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Continuous ventilation experiment</td></tr></table>

<div>Distribution pattern of suspended bubbles under different gas invasion modes.</div>

Geofluids

fig9

Figure 9

Figure 9: Experimental Study on the Suspension Amount of Invasion Gas in Drilling Fluid with Yield Stress 