US Patent 7717175 Methods of improving heavy oil production
Patent 7717175 was granted and assigned to Nexen on May, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 13, 2007
Date of Patent
May 18, 2010
Patent Application Number
11735261
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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