Method of diluting a concentrated polymer solution for use in a

Details Method of diluting a concentrated polymer solution for use in a Method of diluting a concentrated polymer solution for use in a

1987-03-17

1988-10-18

Richman, Barry S.

Compositions

Leather or fur treating

166268, 252312, C09K 300, B66D 120, E21B 4316

Patent

active

047786078

ABSTRACT:
A water-soluble inorganic non-crosslinking salt is incorporated in an aqueous gel-like solution of a water-soluble uncrosslinked polymer at an initial higher polymer concentration. The salt accelerates the dilution of the polymer solution with an aqueous diluent to an aqueous polymer solution at a predetermined lower polymer concentration. The gel-like polymer solution is diluted without substantially degrading the polymer so that it retains desirable properties for use in a hydrocarbon recovery process.

REFERENCES:
patent: 3865108 (1975-02-01), Hartop
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patent: 3995632 (1976-12-01), Nakano et al.
patent: 4203439 (1980-05-01), Theeuves
patent: 4350271 (1982-09-01), Eckenhoff
patent: 4402916 (1983-09-01), Luetzelschwab
"Gels", Scientific America, v 224, No. 1, pp 124-138, Tanaka, Jan. 1981.
"Mechanism of Polyacrylamide Gel Syneresis . . . ", SPE, DiGiacomo et al., SPE 11787, 1983.

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