Research Article

Simulation of Wellbore Stability during Underbalanced Drilling Operation

Figure 19

-component of net shear stresses at = 30 s in poroelastic medium with = 2436 psi and = 2030 psi, = 1610 psi, = 1421 psi, = 0.01 md, = 0.01 md, and = 300 K.