دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a gland arrangement that mechanically or hydraulically seals by pressure. It is used to prevent leakage and waste of gas, oil, or water around a wireline (as when swabbing a well).

n: packing box that made of pressure seal steel wire. Which prevents the leakage of ioil, water or gas around the steel wire.

a seal arrangement on top of a wireline lubricator that prevents loss of oil or gas to the atmosphere.