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Oil Authority›Glossary›G›GR

GR — Oil & Gas Glossary

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

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Related Terms

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

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

Gaussian collocated cosimulation

An algorithm built on a Markov-type hypothesis, whereby collocated secondary information is assumed to screen out second

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