دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

Snubbing usually requires an array of wireline blocks and wire rope that forces the pipe or tools into the well through a stripper head or blowout preventer until the weight of the string is sufficient to overcome the lifting effect of the well pressure on the pipe in the preventer. In workover opera- tions, snubbing is usually accomplished by using hydraulic power to force the pipe through the stripping head or blowout preventer. 2. to tie up short with a line.

n: A kind of blowout hookup,usually used to seal off the annulars space between casing and oil tube.

n: 1. a rubber disk surrounding drill pipe or tubing that removes mud as the pipe is brought out of the hole. 2. the pressure-sealing element of a shipper blowout preventer. See stripper head.

n: A rubber ring which slip on the drill pipe,which can scrape off the drill fluid on the face of the string.

the elastomer element that completes the seal in a stripper unit.