Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1982-11-15
1985-01-29
Gill, James J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
G01N 1506
Patent
active
044958005
ABSTRACT:
A method is provided for selecting the optimum concentration of inhibitors such as soluble salts to effect maximum clay swelling and dispersion inhibition in an aqueous fluid of water-swellable, argillaceous materials including clays as exemplified by bentonite and argillaceous sediments, such as shales, encountered in drilling operations. In this method filtration measurements are first taken to develop a filtration parameter from which the optimum inhibitor concentration is readily determined.
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Gill James J.
NL Industries Inc.
Roskos Joseph W.
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