دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a blanking valve placed in a gas lift mandrel to block off annular communication to the tubing.

a solid body (non flowable) gas lift valve that “dummies off” a gas lift mandrel to seal the GLM or pocket.

a solid body insert that replaces and blanks-off a gas lift mandrel pocket designed for a valve.

a section of pipe used in the tubing into which a gas lift valve can be inserted. The mandrel will allow communication with the annulus gas lift supply through the valve.

a type of gas lift mandrel that allows full bore passage. The valve “pocket” is on the side of the pipe.

a pressure operated valve, placed in a gas lift mandrels at designed points in the well. The gas lift supply gas is routed through the valves into the tubing. The top valves close and the lower valves open as the static liquid level drops in the well (the

gas lift mandrel.

a receiving orifice for a gas lift valve in the gas lift mandrel.

a Weatherford valve, retrievable dummy dump valve. It is a valve that is placed in a standard gas lift mandrel and has a fracture rod for pressure shearing (then has a check valve to prevent tubing to casing communication). It can be used to displace the

n: see gas lift mandrel.

n: see gas lift mandrel. side tap n: the joining of another pipe to the main body of a pipeline.