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Glossary of Terms - G

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G Gas.
G/C Gas Condensate.
Gas field A field containing natural gas but no oil.
Gas Holdup Tool (GHT) A gamma ray attenuation tool to determine the gas percentage in well fluid.
Gas injection The process whereby separated associated gas is pumped back into a reservoir for conservation purposes or to maintain the reservoir pressure.
Gas Lift The process of raising or lifting fluid from a well by injecting gas down the well through tubing or through the tubing-casing annulus.
Gas/oil ratio The volume of gas at atmospheric pressure produced per unit of oil produced.
GHTcalc A software tool to calculate gas percentage from raw data from the GHT.
GO Gearhart Owen.
Gravel pack A slotted or perforated liner placed in the well, surrounded by small size gravel, to prevent sand flowing into the well whilst allowing continuous rapid production.
Gravel Pack Tool (GPT) A gamma ray attenuation tool to determine the density of a gravel pack.
GSR Gamma source for FDR.
Gulton plotter A brand of continuous paper thermal printer, used to present log results.