Next:
The wellbore environment
Up:
Introduction to Energy Geomechanics
Previous:
Fault reactivation
Contents
Wellbore stability
Subsections
The wellbore environment
Kirsch solution for stresses around a cylindrical cavity
Cylindrical coordinate system
Kirsch solution components
Complete Kirsch set of equations
Shear failure and wellbore breakouts
Breakout angle determination
Breakout measurement
Maximum horizontal stress determination from breakout angle
Tensile fractures and wellbore breakdown
Identification of tensile fractures in wellbores
The mud window
Mechanical stability of deviated wellbores
Wellbore orientation
Stresses on deviated wellbores
Breakout analysis for deviated wellbores
Tensile fractures analysis for deviated wellbores
Thermal, chemical, and leak-off effects on wellbore stability
Thermal effects
Chemo-electrical effects
Leak-off effects
Strength anisotropy
