Near wellbore [[permeability]] reduction, that is, formation damage, can result from the interaction of the reservoir rock with extraneous drilling, completion, [[stimulation]], or enhanced recovery fluids. Rock-fluid reaction can occur from any of the following operations: | Near wellbore [[permeability]] reduction, that is, formation damage, can result from the interaction of the reservoir rock with extraneous drilling, completion, [[stimulation]], or enhanced recovery fluids. Rock-fluid reaction can occur from any of the following operations: |