دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a fishing :tool containing metal-cutting knives that is lowered into the hole and over the outside of a length of pipe to cut it. The severed part of the pipe can then be brought to the surface. Also called an outside cutter. Compare internal cutter.

n: The cutter is composed by joint,shell,cutter and guide shoe

a mechanical, chemical or explosive device that is lowered over a pipe to cut from the outside.