Optimizing drilling performance using a selected drilling fluid
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United States of America Patent
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Apr 19, 2011
Grant Date -
Jun 18, 2009
app pub date -
Dec 17, 2008
filing date -
Dec 17, 2007
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Abstract
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.
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