دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a transport of gas by displacement against the flow on a single pipeline, so that the gas is redelivered upstream of its point of receipt.

n: an excavating machine fitted with a hinged arm to which is rigidly attacheda bucket that is drawn toward the machine in operation. The backhoe is used for excavating and for clearing blasted rock out of the ditch during ditching and pipe laying.

n: an interior wall that subdivides a ship or a mobile offshore drilling rig into compartments.

n: the highest deck to which water bulkheads extend on a ship or a mobile offshore drilling rig.

n: The houses for rig personnel living.

n: trade name for appratus for cleaning and freeing oil tanks of gas by means of high-pressure jets of hot water. It consistes essentially of opposed double nozzles, which rotate slowly about their horizontal and vertical axes and project two streams of hot water at a pressure of 175 psi (1,206 kilo pascals) against all inside surfaces of the deck, bulkheads, and shell plating.

n: A kind of gyulekhite. Usually coming from olivine alteration in cavernous basalt.

n: the empty space between two bulkheads that separates two adjacent compartments. It is designed to isolate the two compartments from each other, thereby preventing the liquid contents of one compartment from entering the other in the event of the failure of the bulkhead of one to retain its tightness. In oil tankers, cargo spaces are always isolated from the rest of the ship by cofferdams fitted at both ends of the tank body.

n: the foremost bulkhead that extends from the bottom to the freeboard deck of a drill ship. It keeps the main hull watertight if a collision occurs.

n: 1. the workers on a drilling or workover rig, including the driller, the derrickhand, and the rotary helpers. 2. any group of oilfield workers.

n: Consisted by operating force of drill crew or clean crew. Including driller, derrick hand and rotary helper.

a group of workers on a rig.