Restoring permeability to a polymer plugged well

Details Restoring permeability to a polymer plugged well Restoring permeability to a polymer plugged well

E - Fixed Constructions

21

B

31/33

E21B 43/26 (2006.01) C09K 8/88 (2006.01)

Patent

CA 1229479

RESTORING PERMEABILITY TO A POLYMER PLUGGED WELL ABSTRACT A permeability-reducing, high molecular weight, water-soluble, synthetic, organic polymer accumulated at or near a wellbore used in an oil recovery process is degraded to a lower molecular weight by contacting the polymer with an aqueous inorganic peroxide solution to restore permeability.

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