دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the tendency of a body, such as a length of drill pipe, to be bent by the action of a tool, such as the slips, applied to it with a great deal of force. In the case of drill pipe, if the slips are allowed to stop the drill stem as the driller lowers it into the hole, the slips can swage, or deform, the body of the pipe by the force they apply against the pipe when they settle into the master bushing.

n: an instrument used to measure an ocean currents velocity. It can be adjusted to be neutrally buoyant and to travel at a specific density level. It is dropped into the water to travel with a current, and its journey is tracked by a pinger.

n: see inland barge rig.

n: (slang) a helper on a truck, tractor, or other machine.

n: the motion of a mobile offshore drilling rig in a linear direction from side to side or perpendicular to a line through the centerline of the rig;especially, the side- toside motion when the rig is moored in a seaway.

abbr: swabbed;used in drilling reports.

abbr: swabbing;used in drilling reports.

stepwise cracking. Cracking that connects hydrogen-induced cracks on adjacent planes in steel.

salt water disposal