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

antisqueeze

Oil & gas; Oilfield

The effect on a laterolog whereby the current lines are no longer properly focused but spread out at a certain distance into the formation. The effect occurs opposite a high-resistivity bed with ...

The effect of a sharp change in the borehole diameter, such as that caused by a cave or rugose hole, on an induction log. In smooth boreholes of constant diameter, the effect of the borehole is well ...

flow simulation

Oil & gas; Oilfield

The dynamic simulation of fluids through a reservoir model over time. When the simulation correctly recreates the past reservoir performance, it is said to be "history matched," and a higher degree ...

thickening time

Oil & gas; Oilfield

The duration that a cement slurry remains in a fluid state and is capable of being pumped. Thickening time is assessed under downhole conditions using a pressurized consistometer that plots the ...

depletion

Oil & gas; Oilfield

The drop in reservoir pressure or hydrocarbon reserves resulting from production of reservoir fluids. At times, a strong waterdrive will maintain reservoir pressure to a substantial degree so that ...

first reading

Oil & gas; Oilfield

The depth of the first reliable reading of a curve on a log. For the typical bottom-to-top survey, the curve readings before the tool is picked up from the bottom of the hole are not reliable--they ...

Stoneley permeability

Oil & gas; Oilfield

The ability of fluid to move through a rock, as measured by the reduction in amplitude or increase in slowness of the acoustic Stoneley wave generated in the borehole. The velocity and amplitude of ...