Process for the underground gasification of coal and carbonaceou

Details Process for the underground gasification of coal and carbonaceou Process for the underground gasification of coal and carbonaceou

1980-04-21

1983-06-07

Novosad, Stephen J.

Wells

Processes

In situ combustion

166263, 166292, 166303, C10J 500, E21B 43243

Patent

active

043866573

ABSTRACT:
A process for the underground gasification of coal and carbonaceous materials in makes the customary lengthy preliminary task of establishing an underground interconnection between wells and cavities unnecessary. Instead, according to the invention, the circulation of gasifying agents and product gases is between one or more wells and the boundary of an underground generator (i.e. cavity system) through a reaction zone in the generator.

REFERENCES:
patent: 2695163 (1954-11-01), Pearce et al.
patent: 3076505 (1963-02-01), Pryor
patent: 3332482 (1967-07-01), Trantham
patent: 3409083 (1968-11-01), Prats
patent: 4018481 (1977-04-01), Terry
patent: 4031956 (1977-06-01), Terry
patent: 4067390 (1978-01-01), Camacho et al.
patent: 4069867 (1978-01-01), Bissett
patent: 4114688 (1978-09-01), Terry
patent: 4122897 (1928-10-01), Capp et al.

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