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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

petrophysical rock type

Oil & gas; Oilfield

Rock types that have been classified according to their petrophysical properties, especially properties that pertain to fluid behavior within the rock, such as porosity, capillary ...

compatible scales

Oil & gas; Oilfield

Scales for different logs that are chosen so that the logs will overlay in certain conditions. For example, a sandstone-compatible scale may have the neutron log scaled from 0. 45 ...

bounded reservoir

Oil & gas; Oilfield

Reservoirs with sealed or apparent outer boundaries that result in pressure depletion. Mathematical treatments differ between bounded and infinite reservoirs.

response matched

Oil & gas; Oilfield

Relating to two or more logging measurements that have the same response. The term normally refers to vertical resolution, but could also be used for azimuthal or radial ...

resolution matched

Oil & gas; Oilfield

Relating to two or more logging measurements that have the same resolution. The term normally refers to vertical resolution, but could also be used for azimuthal or radial ...

gas-bearing

Oil & gas; Oilfield

Relating to a formation or interval containing gas, either dissolved in the formation fluid or as free gas. The term is occasionally used to describe wellbore fluids containing ...

sidewall

Oil & gas; Oilfield

Relating to being held against, or taken from, the side of the borehole. The term also describes a measurement that must be made by pressing the sonde against the side of the ...