Oil recovery by waterflooding

Details Oil recovery by waterflooding Oil recovery by waterflooding

1981-10-06

1984-01-10

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

E21B 4320, E21B 4324

Patent

active

044248636

ABSTRACT:
This invention provides a method for the recovery of oil from a subterranean oil reservoir penetrated by spaced apart injection system and production system in which an aqueous fluid is injected into the reservoir via the injection system to displace oil to the production system, the improvement comprising dissolving molecular oxygen in the aqueous fluid being injected into the water under pressure sufficient to maintain liquid phase oxidation at reservoir conditions.

REFERENCES:
patent: 1511067 (1924-10-01), Russell
patent: 3019837 (1962-02-01), Marx et al.
patent: 3196945 (1965-07-01), Craig, Jr., et al.
patent: 3439743 (1969-04-01), Wyllie
patent: 3964545 (1976-06-01), Speller, Jr.
patent: 3976137 (1976-08-01), Bousaid
patent: 4252191 (1981-02-01), Pusch et al.

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