Method of and apparatus for in situ gasification of coal and the

Details Method of and apparatus for in situ gasification of coal and the Method of and apparatus for in situ gasification of coal and the

1975-10-06

1976-10-26

Novosad, Stephen J.

Wells

Processes

In situ combustion

166260, E21B 4324

Patent

active

039878520

ABSTRACT:
A method of in situ gasification of coal includes the steps of releasing reactant materials in a coal bed in a manner such that the reactants are directly exposed to the burning face of a coal bed under preselected temperatures and pressures whereby the incomplete combustion of the coal is affectively controlled. In one preferred form of the method, the heat generated from the combusted materials is captured and separated from the recovered gas so that the heat can be converted to other forms of energy separately from the recovered gas.

REFERENCES:
patent: 2672201 (1954-03-01), Lorenz
patent: 2871941 (1959-02-01), Allen et al.
patent: 2931437 (1960-04-01), Smith
patent: 3024840 (1962-03-01), Allen
patent: 3031014 (1962-04-01), Parker
patent: 3298434 (1967-01-01), Graham
patent: 3770398 (1973-11-01), Abraham et al.

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