دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a kill line port located between the shear ram and the slip ram on a BOP.

n: the closing and sealing component on a blowout preventer. One of three typesblind, pipe, or shear-may be installed in several preventers mounted in a stack on top of the wellbore. Blind rams, when closed, form a seal on a hole that has no drill pipe in it;pipe rams, when closed, seal around the pipe;shear rams cut through drill pipe and then form a seal.

n: the closing assembly which packs the whole well or the annular space out of the drilling pipe and controls the blowout,usually consist of rubber wick,brake body ,cover plate and screws

one of the hydraulically actuated rams in a blow out preventer (blind, shear, pipe or slip).

n: the component in a blowout preventer that cuts. or shears, through drill pipe and forms a seal against well pressure. Shear rams are used in floating offshore drilling operations to provide a quick method of moving the rig away from the hole when there is no time to trip the drill stern out of the hole.

n: the component of the BOP stack (q.v.) that cuts through the drill pipe and forms aseal across the wellbore. These are used on floaters when the rig must be moved off location in an emergency.

a ram in the BOP that shears off the pipe.

n: a blowout preventer that uses shear rams as closing elements.

n: A type of vertical seismic profile in which the source is a shear-wave source rather than a compressional-wave source. Shear waves travel through the Earth at about half the speed of compressional waves and respond differently to fluid-filled rock, and so