11 1D Mechanical Earth Model (3)

00:01 Fracture-Gradient Definitions and Operational Risk 11:16 Principal Stresses and Poroelastic Constitutive Equations 21:28 Deriving the Horizontal-Stress Fracture-Gradient Equation 30:31 Required Inputs and Sonic-Log Parameters 35:36 Dynamic-to-Static Moduli and Estimating Shear Velocity 41:26 Estimating the Biot Coefficient from Micromechanics 47:40 Fracture-Gradient Profile, Casing Design, and Unit Conversion Lecture slides available at: https://drive.google.com/file/d/1T90L...