Alcohol-in-oil drilling fluid system comprising polycyclic polye

Details Alcohol-in-oil drilling fluid system comprising polycyclic polye Alcohol-in-oil drilling fluid system comprising polycyclic polye

1991-09-10

1993-03-30

Geist, Gary L.

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C09K 702

Patent

active

051984164

ABSTRACT:
An invert oil emulsion drilling fluid containing oil, an emulsifier such as a fatty acid soap, clay or polymer, and an alcohol such as glycerol or cyclicetherpolyol as the internal phase of the emulsion. A method using substantially water-free drilling fluid and monitoring the influx of formation water into the drilling fluid.

REFERENCES:
patent: 2191312 (1940-02-01), Cannon
patent: 4780220 (1988-10-01), Peterson

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