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

<table>Relationship between the elasticity modulus of mudstone interbed and the equivalent stress on casing. (A) The casing equivalent stress in the middle of salt rock. (B) The casing equivalent stress in the middle of mudstone interbed.</table>

The Scientific World Journal

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Figure 4

Figure 4: Numerical Simulation on Open Wellbore Shrinkage and Casing Equivalent Stress in Bedded Salt Rock Stratum 