دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a special drilling mud used to keep a well under control while it is being worked over. A workover fluid is compounded carefully so that it will not cause formation damage.

n: a portable rig used for working over a well. See production rig.

a servicing rig designed to run and pull tubing. It usually has some capacity to mill or drill.

n: (WMO) a United Nations agency that was formed to promote international cooperation in all aspects of meteorological activities. Address: Case Postale 2300, CH-1211, Geneva 2, Switzerland.

n: 1. a new and inexperienced worker on a drilling rig. 2. a short revolving screw with spiral-shaped threads.

an inexperienced worker.

n: the gear of a worm and a worm wheel working together.

n: a toothed wheel gearing the thread of a worm.

a channel created by acid reacting along a high permeability streak.