Salt enhanced dilution of a gel-like aqueous polymer solution

Details Salt enhanced dilution of a gel-like aqueous polymer solution Salt enhanced dilution of a gel-like aqueous polymer solution

C - Chemistry, Metallurgy

09

K

166/22, 31/23, 4

C09K 3/00 (2006.01) B66D 1/20 (2006.01) E21B 43/16 (2006.01)

Patent

CA 1259732

ABSTRACT A water-soluble, inorganic salt is added to an aqueous gel-like polymer solution at an initial higher polymer concentration. The salt accelerates the dilution of the polymer solution with an aqueous diluent to a less viscous aqueous polymer solution at a predetermined lower polymer concentration. The gel-like polymer solution is diluted without substantially degrading the polmer so that it retains desirable proper- ties for use in oil recovery processes.

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