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Oil Authority›Glossary›G›gravimetry

gravimetry — Oil & Gas Glossary

The measurement of gravity or the study of its variations.

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GGT

An instrument used for quantitative analyses of sulfides and carbonates. Specific test methods have been published by AP

GLR

Abbreviation for gas/liquid ratio, the ratio of produced gas to produced liquids (oil and water).

GOR

Abbreviation for gas/oil ratio, the ratio of produced gas to produced oil.

GPS

A system of numerous Earth-orbiting satellites that can be used to determine the location (latitude, longitude and eleva

GPTS

A record of the onset and duration of the multitude of episodes of reversal of the Earth's magnetic polarity, or geomagn

GR

An abbreviation for gamma ray, usually with reference to the gamma ray log.

Gal

The unit of acceleration commonly used in gravity surveying. 1 Gal (1000 milliGal or 106 microGal) = 1 cm/sec/sec.

Garrett Gas Train

An instrument used for quantitative analyses of sulfides and carbonates. Specific test methods have been published by AP

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