Method for in-situ recovery of energy raw material by the introduction of a water/oxygen slurry
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United States of America Patent
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Jul 2, 1991
Grant Date -
N/A
app pub date -
Mar 21, 1990
filing date -
Mar 21, 1990
priority date (Note) -
Expired
status (Latency Note)
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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.
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