دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

gas anchor or a separator used in front of a pump to deflect most of the free gas to improve pump efficiency.

n: a device placed in the cementing head and run down the casing in front of cement to clean the mud off the walls of the casing and to prevent contamination between the mud and the cement.

a flood front breaking through into a producing well.

n: the leading edge of a cold air mass that replaces warmer air. The warm air is lifted to ride up over the cool air.

n: The slideway of conveying pipes, exceeding the front gate of derrick and the outermost part of pipes in rack.

n: a common type of in situ combustion in which the combustion front moves in the same direction as the injected air. Burning is started at an injection well and moves toward production wells as air is continuously injected into the injection well. Compare reverse combustion.

n: an interface between two air masses.

money paid or costs at the start of a project (engineering, legal, contracts, etc.),before on-site activities begin.

n: in meteorology, a threedimensional layer of large, horizontal pressure gradients.