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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

bonus consideration

Oil & gas; Oilfield

A monetary incentive given by the lessee (either an individual or company) to the lessor (mineral owner) for executing or ratifying an oil, gas and mineral lease.

froth flow

Oil & gas; Oilfield

A multiphase flow regime in near-vertical pipes in which large slugs of gas move up the center of the pipe, usually carrying small droplets of oil or water with them. Most of the ...

plug flow

Oil & gas; Oilfield

A multiphase flow regime in pipes in which most of the gas moves as large bubbles dispersed within a continuous liquid. The bubbles may span much of the pipe. There are also small ...

annular flow

Oil & gas; Oilfield

A multiphase flow regime in which the lighter fluid flows in the center of the pipe, and the heavier fluid is contained in a thin film on the pipe wall. The lighter fluid may be a ...

conductive rock matrix model

Oil & gas; Oilfield

A model, or set of equations, for the resistivity response of formations with conductive minerals, such as shaly sands. The model is used to analyze core data and to calculate ...

nitrified fluid

Oil & gas; Oilfield

A multiphase fluid incorporating a liquid base and gaseous nitrogen. Nitrified fluids are frequently used in stimulation treatments to enhance the performance of the treatment ...

bubble flow

Oil & gas; Oilfield

A multiphase fluid flow regime characterized by the gas phase being distributed as bubbles through the liquid phase. In a producing wellbore where the bubbles are uniformly ...