Critially stressed crust theory

Hydraulic Fracturing Overview and Impact

Porosity and perm. reduction due to depletion

Subsidense

Stress rotations

Production induced faulting

Sand production

Geomechanical Case Study

Extended Leak-off and step rate tests

Matlab Example

Lower hemisphere projection

Matlab example for deviated wells

Sterss and principal stresses at the wellbore in deviated wells

Wellbore rotations

Critially stressed crust theory

Tensile strength of rocks

Hoek-Brown Failure Criterion

Mohr-Coloumb Failure Model

Mohr's Circles (cont.)

Discussion of computatoinal aspects of complex yield surfaces

Mohr Failure Envelope

Mohr's Circles

Types of tests on rocks

Thermoporoelasticity

Creep and stress relaxation