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

Material balance

Oil & gas; Oilfield

An expression for conservation of mass governed by the observation that the amount of mass leaving a control volume is equal to the amount of mass entering the volume minus the amount of mass ...

Analogue

Oil & gas; Oilfield

An example used for comparison. In oil and gas exploration, geoscientists and engineers compare new prospects and fields with fields and surface exposures thought to be similar in depositional ...

Chelation

Oil & gas; Oilfield

An equilibrium reaction between a metal ion and a complexing agent. Chelation reactions are characterised by the formation of more than one bond between the metal and a molecule of the complexing ...

An in situ record of the capability of the fluid passing through a sensor to store electrical charge. Since water has a high dielectric constant, and hence capacitance, it can be distinguished from ...

Casing-inspection log

Oil & gas; Oilfield

An in situ record of casing thickness and integrity, to determine whether and to what extent the casing has undergone corrosion. The term refers to an individual measurement, or a combination of ...

Casing-potential profile

Oil & gas; Oilfield

An in situ log of the electrical potential on the inner wall of a casing. The log is used to identify intervals that are susceptible to corrosion. A negative slope in the profile indicates a zone in ...

Array laterolog

Oil & gas; Oilfield

An electrode device with multiple current electrodes configured in several different ways to produce several different responses. A typical array consists of a central electrode emitting survey ...