The term “geomechanics” means different things to different people. We assert that in the petroleum industry the broad consensus for a definition would probably be something like this:

Geomechanics is the discipline that investigates rock mechanical behavior in the subsurface (i.e., at the wellbore wall, the overburden, cap rock, and/or the reservoir) under present-day in-situ stress and pore pressure conditions or those changed through human activity/intervention (e.g., production, injection, stimulation) during the life of a well.

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