During this review, two criteria have been employed: the Mohr–Coulomb (M–C) criterion and the multi-weak-aircraft toughness criterion for shale formations. These are accustomed to perform investigate and achieve the optimization with the failure conditions for shale–sandstone interbedded reservoirs. Thickening agents with sand were being included to the nicely, resulting https://vertechs.mystrikingly.com/blog/innovations-in-mpd-drilling-revolutionizing-well-control