Method for in-situ recovery of energy raw material by the introd

Details Method for in-situ recovery of energy raw material by the introd Method for in-situ recovery of energy raw material by the introd

1990-03-21

1991-07-02

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166261, E21B 43243, E21B 4700

Patent

active

050278967

ABSTRACT:
The present invention relates to methods of recovering energy materials, such as oil, shale oil or hydrocarbon gas, by providing limited combustion of these energy materials within an underground energy material reservoir and, consequently, thinning and mobilizing the energy materials such that their recovery is increased. The methods involve the injection into a borehole of an water/oxygen slurry which releases oxygen gas as it flows into the reservoir and recovering, at a later time following in-situ combustion and/or reaction, an improved energy material yield from said borehole or adjacent borehole.

REFERENCES:
patent: 2803305 (1957-08-01), Behning et al.
patent: 4185548 (1980-01-01), Grisburgh et al.
patent: 4252191 (1981-02-01), Pusch et al.
patent: 4495993 (1985-01-01), Andersen
patent: 4498537 (1985-02-01), Cook
patent: 4508170 (1985-04-01), Littmann
patent: 4577690 (1986-03-01), Medlin
patent: 4778010 (1988-10-01), Knecht et al.

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