Silicic acid mud lubricants

Details Silicic acid mud lubricants Silicic acid mud lubricants

2006-01-24

2006-01-24

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C507S139000, C507S140000, C507S145000, C507S136000

Reexamination Certificate

active

06989352

ABSTRACT:
A lubricant for use in silicic acid muds and other drilling fluids comprising silicate or silica species is disclosed. The lubricant significantly improves the lubricity of the fluid. A method of drilling a wellbore in a subterranean formation employing the lubricant is also disclosed. A preferred lubricant of the invention comprises about 80 volume percent 2-octyldodecanol and about 20 volume percent alkylglucoside. The alkylglucoside is preferably comprised of 2-ethylhexylglucoside or a mixture of alkylglucosides having more than about 10 carbon atoms in the alkyl chain.

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patent: WO 86/05187 (1986-09-01), None
patent: WO 01/81498 (2001-11-01), None

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