Petroleum recovery process

Details Petroleum recovery process Petroleum recovery process

1974-05-08

1976-04-27

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166275, E21B 4320, E21B 4322

Patent

active

039533425

ABSTRACT:
Use of dialdehydes to maintain or increase solution viscosity of polymer compositions useful in oil recovery processes. In particular, the dialdehydes are used to maintain or enhance the effectiveness of polymers used as viscosity increasing agents in aqueous oil displacement media in the secondary and tertiary recovery of oil.

REFERENCES:
patent: 2801216 (1957-07-01), Yoder et al.
patent: 3085063 (1963-04-01), Turbak
patent: 3106525 (1963-10-01), Schmid et al.
patent: 3343601 (1967-09-01), Pye
patent: 3679000 (1972-07-01), Kaufman
patent: 3800877 (1974-04-01), Knight
patent: 3850244 (1974-11-01), Rhudy et al.
The Condensed Chemical Dictionary, Seventh Edition, Rec. 1-23-67, p. 456.

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