دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device that secures, or fastens, equipment. In producing wells with sucker rod pumps, a gas anchor is a special section of perforated pipe installed below the pump. It provides a space for gas to break out of the oil. In offshore drilling, floating drilling vessels are often secured over drill sites by large anchors like those used on ships. For pipelines, a device that secures pipe in a ditch.

n: Means of holding the deadline to the derrick or substructure. Usually this is the primary element of the weight indicator

a device with slips that holds equipment in the wellbore.

n: a device on the deadline tiedown anchor used to secure the drilling line.

n: A kind of device fixing the deadline of drill cable.

n: The wheel twisting deadline in crown block.

n: (pronounced shiv") the sheave on a crown block over which the deadline is reeved.

n: See dead line sheave.

n: the drilling line from the crown block sheave to the anchor. so called because it does not move. Comparefastline.

n: see deadline tie-down anchor.

n: A device to which the deadline is attached, securely fastened to the derrick substructure.

n: the sheave on the crown block over which the deadline is reeved.

n: a device to which the deadline is attached, securely fastened to the mast or derrick substructure. Also called a deadline anchor.

n: See dead line anchor.

n: The fixing tool consisted by clamping body, bushing, clamping door and T-arm.