Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
Patent Application Number
10422388
Date Filed
April 23, 2003
Patent Primary Examiner
Patent abstract
An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention may also be used as a lubricant, and has the beneficial property of being resistant to shear forces.
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