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Oil & gas

Terms concerning oil and gas as a fossil fuel and natural resource.

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multipass method

Oil & gas; Oilfield

A technique for interpreting the results from a spinner flowmeter using several logging runs of the flowmeter over the zone of interest at different speeds, both up and down. ...

single-pass method

Oil & gas; Oilfield

A technique for interpreting the results from a spinner flowmeter using only one logging run over the zone of interest. Spinner speed is related to fluid velocity using ...

interval method

Oil & gas; Oilfield

A technique for improving the accuracy of injection profiles measured using the velocity-shot method. In the normal velocity-shot method, the flow velocity is determined by the ...

computed tomography

Oil & gas; Oilfield

A technique for imaging a core by scanning it with a highly focused source of X-rays and recording the attenuated X-rays on the other side. The source and detector are rotated and ...

fluoroscopy

Oil & gas; Oilfield

A technique for imaging a core by moving a core between a source of X-rays and a fluorescent screen. The image on the screen is intensified and recorded by a video camera.

X-radiography

Oil & gas; Oilfield

A technique for imaging a core by moving a source of X-rays along a core and recording the attenuated X-rays on the other side on a suitable photographic film.

spherical focusing

Oil & gas; Oilfield

A technique for focusing an electrode device based on maintaining a spherical equipotential surface centered at the main current electrode. Unlike the laterolog, which tries to ...