Use of hydrogen-free carbon monoxide with steam in recovery of h

Details Use of hydrogen-free carbon monoxide with steam in recovery of h Use of hydrogen-free carbon monoxide with steam in recovery of h

1982-07-02

1984-12-11

Suchfield, George A.

Wells

Processes

Chemical inter-reaction of two or more introduced materials

166272, 166303, E21B 4324

Patent

active

044872640

ABSTRACT:
A process for recovering oil from a subterranean heavy oil-containing reservoir is provided, wherein steam and carbon monoxide are injected into the reservoir at a temperature less than about 260.degree. C. At these low temperatures, the steam and hydrogen-free carbon monoxide are found to react in the reservoir, by the water gas reaction, to form carbon dioxide and hydrogen. These products both have upgrading effects on the heavy oil, enhancing its quality and producibility. At the low temperatures of the process, gasification and polymerization of the heavy oil are minimized.

REFERENCES:
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patent: 3333637 (1967-08-01), Prats
patent: 3457996 (1969-07-01), Parker
patent: 3506309 (1970-04-01), von Hippel
patent: 3770398 (1973-11-01), Abraham et al.
patent: 3980137 (1976-09-01), Gray
patent: 4119566 (1978-10-01), Crouch et al.
patent: 4156462 (1979-05-01), Allen et al.

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