Pre-caustic flood treatment

Details Pre-caustic flood treatment Pre-caustic flood treatment

1980-06-27

1982-04-20

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166271, 166274, E21B 4322

Patent

active

043254330

ABSTRACT:
A process for the recovery of oil from a subteranean oil-bearing formation, in which the formation is potentiated to recovery by alkaline flooding by introducing an aqueous solution of acid selected from mineral acids and organic acids having less than 5 carbon atoms per molecule.

REFERENCES:
patent: 2161085 (1939-06-01), Phalen
patent: 3111984 (1963-11-01), Reisberg
patent: 3141501 (1964-07-01), Bernard et al.
patent: 3344858 (1967-10-01), Gilchrist et al.
patent: 3387655 (1968-06-01), Hurd
patent: 3568772 (1971-03-01), Gogarty et al.
patent: 3625284 (1971-12-01), Gogarty et al.
patent: 3871453 (1975-03-01), Sarem
patent: 3926255 (1975-12-01), Williams
patent: 3927716 (1975-12-01), Burdyn et al.
patent: 3929190 (1975-12-01), Chang et al.
Cooke, Jr., C. E., et al., "Oil Recovery by Alkaline Waterflooding", Journal of Petroleum Technology, Dec. 1974, pp. 1365-1374.

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