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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

multiphase

Oil & gas; Oilfield

Referring to a fluid with several different immiscible fluids (oil, water or gas).

single-phase

Oil & gas; Oilfield

Referring to a flow or other phenomenon with only one component, normally oil, water or gas.

fracture half-length

Oil & gas; Oilfield

Radial distance from the wellbore to the outer tip of a fracture penetrated by the well or propagated from the well by hydraulic fracturing.

fracture conductivity

Oil & gas; Oilfield

Product of fracture permeability times fracture width for a finite-conductivity fracture.

annular production

Oil & gas; Oilfield

Production of formation fluid through the casing-tubing annulus.

tubing pressure

Oil & gas; Oilfield

Pressure on the tubing in a well, as measured at the wellhead.

backpressure

Oil & gas; Oilfield

Pressure registered on equipment or devices when fluid flows through.