The paper addresses the modeling of geomechanical effects
induced by both reservoir
development and production phases and their influence on the
overall fluid flow
pattern. The geological context is that of heterogeneous
fractured rock masses,
somehow compartmentalized, with a low natural permeability
at large scale. A stress
dependent DFN simulator is used to discuss some of the
remaining unanswered
questions raised by the european EGS project under operation
at Soultz sous Forêts.
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