دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. an obstruction in the borehole, usually caused by the caving in of the well or the borehole or by the intrusion of a large boulder.2.a tool placed in the hole to retain cement or other material;it may later be removed, drilled out, or left permanently.

n: An obstruction in the borehole, caused by a buildup of material such as scale, wellbore fill, or cuttings that can restrict wellbore access or, in severe cases, eventually close the wellbore . In open hole a bridge usually caused by the caving in of the w

a blockage in the wellbore caused by a mass of particles that lock together and prevent pipe movement or flow.