Use of certain materials as thinners in oil based drilling fluids

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United States of America Patent

PATENT NO 4502963
SERIAL NO

06474614

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Abstract

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An additive for use with a water-in-oil emulsion type fluid to reduce the viscosity of the fluid to a desired range comprising a fatty acid polyester containing at least 300 carbon atoms.

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Patent Owner(s)

Patent OwnerAddress
M-I L L C5950 NORTH COURSE DRIVE HOUSTON TX 77072

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harmon, Bobby R Aberdeen, GB6 2 35

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