In-situ combustion method for recovery of heavy oil utilizing ox

Details In-situ combustion method for recovery of heavy oil utilizing ox In-situ combustion method for recovery of heavy oil utilizing ox

1981-11-02

1983-10-18

Novosad, Stephen J.

Wells

Processes

In situ combustion

F21B 43243

Patent

active

044100426

ABSTRACT:
An in-situ combustion method for recovering viscous oil from a subterranean, viscous oil-containing formation comprising injecting a mixture of essentially pure oxygen and carbon dioxide into the formation to initiate an in-situ combustion operation followed by injecting essentially pure oxygen.

REFERENCES:
patent: 2818117 (1957-12-01), Koch
patent: 3034579 (1962-05-01), Parker
patent: 4042026 (1977-08-01), Pusch et al.
patent: 4158467 (1979-06-01), Larson et al.
patent: 4353413 (1982-10-01), Hoekstra et al.

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