US Patent 7989399 Drilling fluid and methods
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Patent abstract
A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
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Patent Inventor Names
Carl Keith Smith0
Stefan Alexandru Stoian0
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US Patent 07989399 Drilling fluid and methods US Patent 7989399 Drilling fluid and methods
Infobox
Patent Number
079893990
Patent Number
79893990
Edits on 22 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079893990
Date of Patent
August 2, 2011
0Patent Application Number
120251640
Date Filed
February 4, 2008
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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US Patent 07989399 Drilling fluid and methods
Infobox
Is a
Patent jurisdiction
Patent number
07989399
Date of patent
August 2, 2011
Patent application number
12025164
Date Filed
February 4, 2008
Patent primary examiner
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