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Oil & gas

Terms concerning oil and gas as a fossil fuel and natural resource.

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Oil & gas > Oilfield

plunger lift

Oil & gas; Oilfield

An artificial-lift method principally used in gas wells to unload relatively small volumes of liquid. An automated system mounted on the wellhead controls the well on an ...

intermittent gas lift

Oil & gas; Oilfield

An artificial-lift method, used in relatively low-productivity wells, in which the gas-lift system is operated on an intermittent basis to enable the buildup of liquids in the ...

rod pump

Oil & gas; Oilfield

An artificial-lift pumping system using a surface power source to drive a downhole pump assembly. A beam and crank assembly creates reciprocating motion in a sucker-rod string ...

balanced array

Oil & gas; Oilfield

An array induction whose transmitters and receivers are arranged to produce a null reading in free space, that is, which has the mutual signal balanced to zero.

gas lift

Oil & gas; Oilfield

An artificial-lift method in which gas is injected into the production tubing to reduce the hydrostatic pressure of the fluid column. The resulting reduction in bottomhole ...

continuous gas lift

Oil & gas; Oilfield

An artificial-lift method in which the gas-lift system is operated on a continuous basis to sustain liquid production at an efficient rate.

manifold

Oil & gas; Oilfield

An arrangement of piping or valves designed to control, distribute and often monitor fluid flow. Manifolds are often configured for specific functions, such as a choke manifold ...