US Patent 8003576 Friction modifier for drilling fluids
Patent 8003576 was granted and assigned to The Lubrizol Corporation on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
This invention relates to improved lubrication in drilling and completion fluids used in subterrane drilling for oil and gas. The addition of zinc dialkyl dithiophosphate (ZDDP) acts as a lubricant, an enhancer to other lubricants and rate of penetration enhancer.
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Patent Inventor Names
Michael J. McDonald0
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US Patent 08003576 Friction modifier for drilling fluids US Patent 8003576 Friction modifier for drilling fluids
Infobox
Patent Number
080035760
Patent Number
80035760
Edits on 31 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
080035760
Date of Patent
August 23, 2011
0Patent Application Number
126393000
Date Filed
December 16, 2009
0Patent Primary Examiner
Edits on 8 Dec, 2021
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Infobox (+8 properties)
US Patent 08003576 Friction modifier for drilling fluids
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08003576
Date of patent
August 23, 2011
Patent application number
12639300
Date Filed
December 16, 2009
Patent primary examiner
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