In this particular analyze, two requirements are used: the Mohr–Coulomb (M–C) criterion and also the multi-weak-plane power criterion for shale formations. They're accustomed to carry out exploration and reach the optimization of the failure criteria for shale–sandstone interbedded reservoirs. The PPW criterion better reveals the energy of shale with https://macrobookmarks.com/story21704587/what-does-shale-wellbore-stability-mean