دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to pull the drill stem out of the wellbore to change the bit, to change from a core barrel to the bit, to run electric logs, to prepare for a drill stem test, to run casing, and so on. Also called trip out.

n: See trip.

v: to come out of the hole.

n: To remove the drillstring from the wellbore.


pull a string of tubing or drill pipe out of the hole.