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

Contributors in Oilfield


rental payment

Oil & gas; Oilfield

An annual payment made by an oil company to a State in order to retain rights in a particular concession.


Oil & gas; Oilfield

The process of obtaining a small quantity of material which is as representative as possible of the total volume.

possible reserves

Oil & gas; Oilfield

Undeveloped oil and/or gas reserves which best engineering judgement indicates might eventually be recoverable from undrilled or untested structures.

pinch-out trap

Oil & gas; Oilfield

A trap where a bed or reservoir rock gets progressively thinner as it nears an impervious area and eventually disappears.


Oil & gas; Oilfield

A large sedimentary basin in which extremely deep layers of sediments have accumulated over a long period of time.

gravimetric survey

Oil & gas; Oilfield

A geological survey method in which measurements of the variations in the surface gravitational field are used to determine the nature of the underlying rocks.


Oil & gas; Oilfield

To replace the air in or around process equipment with an inert gas, such as nitrogen, to reduce oxidation, explosion or fire hazards.

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