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Learn continuum mechanics, rock geomechanical properties, and practical reservoir engineering applications through this comprehensive lecture series from The University of Texas at Austin's Petroleum and Geosystems Engineering program. Master the fundamentals of in-situ stress prediction and determination using wellbore testing, logs, core data, and geological information while developing skills in fault classification and stress analysis. Explore critical topics including lithostatic stress calculations for onshore and offshore environments, overpressure mechanisms in sedimentary basins, and horizontal stress regimes that impact hydraulic fracture geometry. Dive deep into stress tensor mathematics, kinematic equations relating strains to displacements, and 3D Hooke's law for linear isotropic materials. Gain hands-on experience through laboratory exercises measuring rock Young's modulus, unconfined compression strength, tensile strength via Brazilian testing, and triaxial loading behavior. Study rock failure mechanisms including the influence of microstructure, process zone size, loading time, and strength anisotropy on both tensile and compressive failure modes. Develop expertise in fault mapping using strike, dip, stereonets, and geological maps while understanding fault genesis and ideal orientations. Apply 3D Mohr circle analysis for stress projection on planes and explore applications in shear fracture permeability and fault reactivation limits. Master wellbore stability analysis including mud weight optimization, filter cake effects, and stress distributions around wellbores using the Kirsch solution. Learn to identify and interpret wellbore breakouts, drilling-induced tensile fractures, and determine mud windows for casing setting depths. Examine mechanical stability challenges in deviated wellbores and understand thermal, chemical, and leak-off effects on wellbore integrity. Explore hydraulic fracturing fundamentals from natural fluid-driven fractures to well testing applications including LOT, FCP, DFIT, and SRT procedures. Study fracture mechanics principles, 1D geomechanical modeling, stress log construction, and hydraulic fracture height prediction using PKN solutions. Investigate multistage hydraulic fracturing operations, microseismicity interpretation, and fracture swarm behavior while analyzing reservoir depletion effects on subsidence and stress field changes.
