Oil-Based Drilling Fluid Plugging Method for Strengthening Wellbore Stability of Shale Gas

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">System</td><td class="align_center">Before dispersion (g)</td><td class="align_center">After dispersion (g)</td><td class="align_center">Rete of recovery (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Formula CN-5</td><td class="align_center">30</td><td class="align_center">29.81</td><td class="align_center">99.37</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Hot-rolling dispersion experiment.</div>

Geofluids

tab11

Table 11

Table 11: Oil-Based Drilling Fluid Plugging Method for Strengthening Wellbore Stability of Shale Gas 