Oil recovery process

Details Oil recovery process Oil recovery process

1980-08-29

1982-06-08

Novosad, Stephen J.

Wells

Processes

Separating material entering well

166266, 166272, E21B 4324, E21B 4340

Patent

active

043335292

ABSTRACT:
Oil recovery from formations is effected using a gas stream containing steam, carbon dioxide and nitrogen which is injected into the formation to form a water-oil mixture which is removed from the formation. The gas stream is formed by wet oxidation of a carbonaceous material which includes residual oil in the aqueous material remaining from oil separation.

REFERENCES:
patent: 2824058 (1958-02-01), Zimmermann
patent: 3245466 (1966-04-01), Hitzman
patent: 3772181 (1973-11-01), Cole et al.
patent: 3881550 (1975-05-01), Barry
patent: 4007786 (1977-02-01), Schlinger
patent: 4014661 (1977-03-01), Hess et al.
patent: 4100730 (1978-07-01), Pradt
Havlena, Z. G., "Some Innovative Approaches Which May Facilitate Production of Heavy Crudes", First International Conference on the Future of Heavy Crude and Tar Sands, Jun. 4-12, 1979, pp. 5-7.

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