دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to hoist the drill stem out of the wellbore to perform one of a number of operations, such as changing bits or taking a core, and so forth, and then to return the drill stem to the well bore.

the round trip of pulling the drill string from a well and returning it to bottom. Usually done to change or check the bit or to change the BHA.

n: the operation of hoisting the drill stem from and returning it to the wellbore. v: shortened form of make a trip." See make a trip, overspeed governor.

n: The complete operation of removing the drillstring from the wellbore and running it back in the hole. This operation is typically undertaken when the bit becomes dull or broken, and no longer drills the rock efficiently.


pulling all pipe from the well and rerunning the pipe to bottom.

n: the operation of hoisting the drill stem out of and returning it to the wellbore. See make a trip.