Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Carmen Geraldine Reznik0
Jeremiah Michael Purcell0
Julian Richard Barnes0
Willem Johan Louis Genuit0
Catherine Semien0
Hendrik Dirkzwager0
James Laurel Buechele0
Date of Patent
January 22, 2019
0Patent Application Number
147727950
Date Filed
March 4, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an internal olefin sulfonate composition, comprising water and an internal olefin sulfonate mixture having an average carbon number of at least 20, wherein the internal olefin sulfonate mixture comprises hydroxy sulfonates and alkene sulfonates in a weight ratio of hydroxy sulfonates to alkene sulfonates of at least 3.25. The invention further provides a method of treating a crude oil containing formation.
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