دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a tool to cut drill pipe stuck in the hole. Tools that cut the pipe either internally or externally, permitting some of it to be withdrawn, are available. Jet cutoff or chemical cutoff is also used to free stuck pipe.

n: a mechanical cutting tool that can cut the stuck pipe in or out of the pipe