دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the procedure of pulling out and subsequently running back into the hole a string of drill pipe or tubing. Also called tripping.

n: the process by which the entire drill string is pulledout of the holeand run backin again (ususlly to change the bit or BHA(q.v.)).

Pulling a string of pipe from a well and returning to bottom.