دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the valve through which oil and water are discharged from separators. treaters. and so on. It is usually a motor valve. but may be a liquid-level controller as well. dunefield n: an accumulation of windbome sand on that part of the seashore that lies above storm-flood level.

n: the window slide valve installed on the top of the screwdrill
which closes when trun on the pump and open when stop the pump

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