دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an area of reduced diameter in pipe caused by excessive longitudinal strain or by a combination of longitudinal strain and the swaging action of a body. A bottleneck may result if the downward motion of the drill pipe is stopped with the slips instead of the brake.

n: an elevator that is bored to match the 18-degree taper of a tool joint.

a program, typically in surface facilities and lines, to remove pressure drop causing flow restrictions.

n: the tendency of a metal bar or pipe to taper to a reduced diameter at some point when subjected to excessive longitudinal stress. See bottleneck.

n: the tendency of a metal bar or pipe to a reduced diameter at some point when subjected to excessive longitudinal stress.