Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Larry S. Eoff0
B. Raghava Reddy0
Eldon Dwyann Dalrymple0
Frank Zamora0
Date of Patent
May 22, 2007
0Patent Application Number
103757870
Date Filed
February 27, 2003
0Patent Primary Examiner
Patent abstract
A method and composition is provided for a relative permeability modifying polymer for use with drilling fluids that comprises a water soluble polymer formed from a hydrophobic or hydrophobically modified hydrophilic monomer and a hydrophilic monomer. In an alternative embodiment, a method is provided for producing a water soluble polymer formed from a hydrophilic monomer for use as a relative permeability modifying polymer.
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