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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

blast joint

Oil & gas; Oilfield

A section of heavy walled tubing that is placed across any perforated interval through which the production tubing must pass, such as may be required in multiple zone completions. ...

liquefied natural gas carrier

Oil & gas; Oilfield

A sea vessel used to transport liquefied petroleum gas (LPG). The term is commonly abbreviated as LNGC

gravel pack

Oil & gas; Oilfield

A sand-control method used to prevent production of formation sand. In gravel pack operations, a steel screen is placed in the wellbore and the surrounding annulus packed with ...

wellbore diagram

Oil & gas; Oilfield

A schematic diagram that identifies the main completion components installed in a wellbore. The information included in the wellbore diagram relates to the principal dimensions of ...

spot sample

Oil & gas; Oilfield

A sample of liquid or sediments obtained at a specific depth inside a tank using a thief or a bottle. Spot samples are analyzed to determine the gravity of the oil and BS&W ...

tar sand

Oil & gas; Oilfield

A sand body that contains heavy hydrocarbon residues such as tar or asphalt, or degraded oil that has lost its volatile components. Hydrocarbons can be liberated from tar sands by ...

wire clamp

Oil & gas; Oilfield

A safety device attached to the slickline at surface between the hay pulley and stuffing-box pulley. The wire clamp generally is applied when the slickline is to be stationary for ...