The collapse tension and fracture stress for shale–sandstone have been computed across different elastic modulus and Poisson’s ratios to ascertain the safe density window. As illustrated in Figure nine, if the rock’s elastic mechanical parameters approximate isotropy, the effects from the transversely isotropic model recognized With this analyze exhibit https://drilling-fluid-formulatio56653.webdesign96.com/42889198/the-definitive-guide-to-wellbore-stability-issues