Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Patent
1992-12-24
1995-04-04
Geist, Gary
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
C09K 702
Patent
active
054038200
ABSTRACT:
The invention provides a water base drilling fluid having decreased swelling effect on hydratable shales contacted by the drilling fluid wherein the aqueous phase contains an alkyl glucoside solubilized therein. Another embodiment of the invention provides an aqueous solution for addition to drilling fluids to decrease the swelling of hydratable shales contacted by the drilling fluid, the solution comprising an aqueous phase having dissolved (solubilized) therein from about 50% to about 85% by weight methyl glucoside and at least about 2% by weight of an alkali metal hydroxide.
Geist Gary
House Roy F.
O'Brien-Goins-Simpson & Associates
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