04502963 is referenced by 10 patents and cites 27 patents.

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.

Title
Use of certain materials as thinners in oil based drilling fluids
Application Number
6/474614
Publication Number
4502963
Application Date
March 11, 1983
Publication Date
March 5, 1985
Inventor
Bobby R Harmon
Aberdeen
GB
Agent
Thomas R Weaver
Robert A Kent
Assignee
Halliburton Company
OK, US
IPC
C09K 7/00
C09K 3/00
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