دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

cycling coiled tubing from a yielded position, through a transition region, and back again. Running coiled tubing from the reel into a well and back to the reel involves six bends or three cycles.

n: the force created on an object by applying the weight of another object so that the weight bends or tends to bend the first object.

n: a highly painful and potentially fatal condition in which air or other breathable gases come out of solution in the bloodstream and cause distress or death. So named because the bending joints of the body are most often affected. Also called decompression sickness.

a surface treating line connector that allows quick, pressure tight bends in high pressure pipe.

n: one of the earliest methods for bending pipe. The joint was first placed over a small bonfire and, when the heat had rendered it sufficiently malleable, it was placed against a tree and pressure was applied until the desired benk was achieved. Fire bends significantly weakened the pipe. A cold-work process is less damaging.

n: the fluid fraction loss along the bends of pipe.

n: the process of bending joints so that a pipeline will conform to the topography of a right-of-way. Pipe bends are made by the cold-work: process.

n: in pipeline construction, a track-mounted hydraulic machine that bends a joint to the precise angle specified by the bending engineer. The bend is made by a set of clamps that grip the outside surface of the pipe and prevent slip- page while a winch cable hooked to the free end of the pipe maintains upward pull and guides the pipe through the machine.