US Patent 7238648 Viscoelastic surfactant fluids and related methods of use
Patent 7238648 was granted and assigned to Schlumberger on July, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 14, 2003
Date of Patent
July 3, 2007
Patent Application Number
10684828
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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