Wells – Processes – Cyclic injection then production of a single well
Patent
1984-02-27
1985-04-30
Suchfield, George A.
Wells
Processes
Cyclic injection then production of a single well
166272, E21B 4324
Patent
active
045138192
ABSTRACT:
A method for recovering oil from a subterranean, viscous oil-containing formation employing a cyclical injection-production program in which first a mixture of steam and solvent are injected after which fluids including oil are produced until the water cut of the produced fluids reaches 95 percent. Thereafter, the sequence of injection of a solvent/steam mixture and production of fluids including oil is repeated for a plurality of cycles. The ratio of solvent to steam is 2 to 10 volume percent. The mixture of solvent and steam is injected into the lower portion of the formation in which adequate fluid communication exists or in which a communication path is first established. In another embodiment, after the initial solvent/steam injection-production cycle, steam or hot water is injected into the formation followed by production and drawdown of the formation.
REFERENCES:
patent: 2862558 (1958-12-01), Dixon
patent: 3483924 (1969-12-01), Blevins et al.
patent: 4127170 (1978-11-01), Redford
patent: 4133382 (1979-01-01), Cram et al.
patent: 4166502 (1979-09-01), Hall et al.
patent: 4217956 (1980-08-01), Goss et al.
patent: 4271905 (1981-06-01), Redford et al.
patent: 4398602 (1983-08-01), Anderson
patent: 4450911 (1984-05-01), Shu et al.
Islip Philip N.
Shu Winston R.
Gilman Michael G.
Keen Malcolm D.
McKillop Alexander J.
Mobil Oil Corporation
Suchfield George A.
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