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Optimizing drilling performance using a selected drilling fluid

United States Patent

April 19, 2011
View the Complete Patent at the US Patent & Trademark Office
To improve drilling performance, a drilling fluid is selected based on one or more criteria and to have at least one target characteristic. Drilling equipment is used to drill a wellbore, and the selected drilling fluid is provided into the wellbore during drilling with the drilling equipment. The at least one target characteristic of the drilling fluid includes an ability of the drilling fluid to penetrate into formation cuttings during drilling to weaken the formation cuttings.
Judzis; Arnis (Salt Lake City, UT), Black; Alan D. (Coral Springs, FL), Green; Sidney J. (Salt Lake City, UT), Robertson; Homer A. (West Jordan, UT), Bland; Ronald G. (Houston, TX), Curry; David Alexander (The Woodlands, TX), Ledgerwood, III; Leroy W. (Cypress, TX)
Terratek Inc. (Salt Lake City, UT), Baker Hughes, Inc. (Houston, TX)
12/ 337,198
December 17, 2008
STATEMENT REGARDING FEDERALLY-SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under contract DOE DE-FC 26-02NT41657 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.