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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

acid frac

Oil & gas; Oilfield

A hydraulic fracturing treatment performed in carbonate formations to etch the open faces of induced fractures using a hydrochloric acid treatment. When the treatment is complete ...

paraffin

Oil & gas; Oilfield

A hydrocarbon compound that often precipitates on production components as a result of the changing temperatures and pressures within the production system. Heavy paraffins occur ...

diluent

Oil & gas; Oilfield

A hydrocarbon fluid that is used to dilute heavy oil and reduce its viscosity for easier transportation. Generally a distillation tower cut such as naphtha is used as for heavy ...

rupture disk

Oil & gas; Oilfield

A high-precision component designed to rupture with the application of a predetermined hydraulic pressure. Rupture disks are commonly used in downhole applications in which the ...

frac valve

Oil & gas; Oilfield

A high-pressure isolation valve fitted to the top of the wellhead on a well that is about to be hydraulically fractured. The frac valve can be closed to isolate the treating ...

kill pump

Oil & gas; Oilfield

A high-pressure pump designated for well-kill purposes. Depending on the application, the kill pump may need to be connected to a ready supply of kill fluid should well control be ...

commingled flow

Oil & gas; Oilfield

A term used to describe the flow pattern where two or more fluid phases may be present in a relatively even distribution. The flow rate and conduit geometry may cause an apparent ...