Probabilistic Approach in Wellbore Stability Analysis during Drilling

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Rock properties </td><td class="align_center">Minimum</td><td class="align_center">Maximum</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Cohesion (kPa)</td><td class="align_center">4500</td><td class="align_center">5500</td></tr><tr><td class="align_left">Friction angle (deg.) </td><td class="align_center">31</td><td class="align_center">33</td></tr><tr><td class="align_left">Poisson’s ratio </td><td class="align_center">0.2</td><td class="align_center">0.3</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Rock properties for a sandstone formation [<a href="/journals/jpe/2016/3472158/#B6">4</a>].

Journal of Petroleum Engineering

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Table 3

Table 3: Probabilistic Approach in Wellbore Stability Analysis during Drilling 