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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

backside

Oil & gas; Oilfield

A term used to describe the annulus surrounding a production tubing string above the production packer.

live cement

Oil & gas; Oilfield

A term used to describe a cement slurry that remains liquid but is still capable of thickening or setting to become an unmovable solid mass. Some remedial operations treat the ...

simultaneous operation (SIMOP)

Oil & gas; Oilfield

A term used mainly on offshore platforms, or installations with multiple wellheads, where more than one wellbore is being accessed, such as where a drilling rig, slickline unit or ...

casing pressure

Oil & gas; Oilfield

A term used in well-control operations, typically during the drilling or workover phases of a well, to describe the pressure in the drillpipe or tubing annulus.

salt plug

Oil & gas; Oilfield

A temporary plugging agent comprising graded granules of salt that form a physical or hydraulic barrier. The different grain sizes are prepared as a slurry for placement, then ...

stabilized

Oil & gas; Oilfield

A term describing a flowing well when its rate of production through a given choke size remains constant, or in the case of a pumping well, when the fluid column within the well ...

expendable plug

Oil & gas; Oilfield

A temporary plug, inserted in the completion assembly before it is run, to enable pressure testing of the completed string. With the operation complete, the expendable plug can be ...