Oilfield

Oilfield

Oilfield refers to a region with an abundance of oil wells extracting petroleum from below the ground.

Industry: Oil & gas

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Oilfield

rotational gas lift

Oil & gas; Oilfield

A gas-lift system that recycles the injected gas using compressors. This closed system does not require an external source of gas for operating the gas-lift system.

gas-lift mandrel

Oil & gas; Oilfield

A gas-lift system component that is assembled with the production tubing string to provide a means of locating gas-lift valves. The position or depth of the gas lift valves is crucial to the ...

A gas well producing at a constant rate in which wellhead pressure changes no more than a small amount as a function of time. The actual amount of change permitted in a given time period to allow a ...

acid gas

Oil & gas; Oilfield

A gas that can form acidic solutions when mixed with water. The most common acid gases are hydrogen sulfide (H 2 S) and carbon dioxide (CO 2 ) gases. Both gases cause corrosion; hydrogen sulfide is ...

nonideal gas

Oil & gas; Oilfield

A gas described by an equation of state of the form pV = znRT, where z is the gas deviation factor dependent on pressure, temperature and gas composition.

synthetic natural gas

Oil & gas; Oilfield

A gas obtained by heating coal or refining heavy hydrocarbons. Synthetic natural gas is abbreviated SNG.

blanket gas

Oil & gas; Oilfield

A gas phase maintained above a liquid in a vessel to protect the liquid against air contamination, to reduce the hazard of detonation or to pressurize the liquid. The gas source is located outside ...