Gellable aqueous composition and its use in enhanced petroleum

Details Gellable aqueous composition and its use in enhanced petroleum Gellable aqueous composition and its use in enhanced petroleum

1990-03-27

1992-09-01

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524237, 523130, 166294, 166295, 106194, C09K 702

Patent

active

051439581

ABSTRACT:
The permeability of high-permeability zones in a oil reservoir can be reduced by using a gellable aqueous composition with delayed gelation.
The composition comprises:

REFERENCES:
patent: 3615794 (1971-10-01), Nimerick
patent: 3978925 (1976-09-01), Clampith
patent: 4657081 (1987-04-01), Hodge
patent: 4706754 (1987-11-01), Smith
patent: 4722397 (1988-02-01), Sydansk et al.
patent: 4917186 (1990-04-01), Mumallah

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