Gasification of coal

Details Gasification of coal Gasification of coal

1982-05-24

1984-10-30

Novosad, Stephen J.

Wells

Processes

In situ combustion

166261, 48DIG6, E21B 43243, E21C 4300

Patent

active

044795408

ABSTRACT:
This invention relates to the gasification of coal. An oxygen jet having a pointed flame is engendered in situ, so as to strike the coal with a sheath of steam. The resultant fuel gas is drawn off while flowing in counterflow with the jet of oxygen and is brought to the surface through the same bore which had served the purpose of supplying oxygen. The invention is particularly applicable to the underground gasification of coal in situ.

REFERENCES:
patent: 2680486 (1954-06-01), Carpenter
patent: 2902270 (1959-09-01), Salomonsson et al.
patent: 3093197 (1963-06-01), Freeman
patent: 3563606 (1971-02-01), Sears
patent: 3572839 (1971-03-01), Okabe
patent: 4010801 (1977-03-01), Terry
patent: 4067390 (1978-01-01), Camacho
patent: 4078613 (1978-03-01), Hamrick
patent: 4136737 (1979-01-01), Howard et al.
patent: 4185692 (1980-01-01), Terry
patent: 4301875 (1981-11-01), Munding et al.
patent: 4356866 (1982-11-01), Savins

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