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Oil & gas

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

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Oil & gas > Drilling

tannic acid

Oil & gas; Drilling

The acids found in tannin. Quebracho contains tannic acid.

mudding up

Oil & gas; Drilling

The act of adding commercial materials to convert water or a water-clay slurry into a mud. Mudding up is usually done after drilling a well to a certain depth with relatively ...

pumpability

Oil & gas; Drilling

The ability of the slurry to be pumped. Pumpability is usually measured by the API thickening-time test.

sulfate resistance

Oil & gas; Drilling

The ability of set cement to resist deterioration in the presence of sulfate ions.

carrying capacity

Oil & gas; Drilling

The ability of a circulating drilling fluid to transport rock fragments out of a wellbore. Carrying capacity is an essential function of a drilling fluid, synonymous with ...

slurry stability

Oil & gas; Drilling

The ability of a cement slurry to maintain homogeneity. Two tests are used as a measure of slurry stability: the free-fluid test and the sedimentation test.

lbm/bbl

Oil & gas; Drilling

The abbreviation for concentration in US oilfield units, pound per barrel. One lbm/bbl is the equivalent of one pound of additive in 42 US gallons of mud. The "m" is used to ...