Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Louise Bailey0
Date of Patent
November 16, 2010
0Patent Application Number
120276130
Date Filed
February 7, 2008
0Patent Primary Examiner
Patent abstract
A water based drilling fluid contains as additive one or more alkyl ethoxylates having the formula RO(CH2CH2O)nH;wherein:R is a C16-22alkyl group (preferably R is aliphatic and more preferably R is linear), andn is an integer in the range 2-30.
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