Numerical Simulation on Open Wellbore Shrinkage and Casing Equivalent Stress in Bedded Salt Rock Stratum

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Shrinkage place</td><td align="center" colspan="3">Mudstone interbed thickness (m)</td></tr><tr class="thead"><td align="center">0.2</td><td align="center">1.0</td><td align="center">2.0</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Middle of salt rock</td><td align="center">0.3842</td><td align="center">0.3134</td><td align="center">0.2637</td></tr><tr><td align="left">Middle of mudstone interbed</td><td align="center">0.3213</td><td align="center">0.1951</td><td align="center">0.1306</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The radial displacement of shrinkage per unit time under different mudstone interbed thickness (mm).

The Scientific World Journal

tab5

Table 5

Table 5: Numerical Simulation on Open Wellbore Shrinkage and Casing Equivalent Stress in Bedded Salt Rock Stratum 