دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the partial or complete collapse of the walls of a hole resulting from internal pressures due primarily to swelling from hydration or formation gas pressures. See caving.

n: the partial or complete collapse of the walls of a hole resulting from internal pressure due primarily to swelling from hydration or formation gas pressure. See also sloughing.

partial or full collapse of the wellbore by particles of shale.