Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael J. McDonald0
Date of Patent
August 23, 2011
0Patent Application Number
126393000
Date Filed
December 16, 2009
0Patent Primary Examiner
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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