Method of underground gasification of a coal bed

Details Method of underground gasification of a coal bed Method of underground gasification of a coal bed

1976-02-17

1978-04-11

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

48DIG6, 166256, E21B 4324

Patent

active

040834026

ABSTRACT:
To control the process of underground gasification of a coal bed with due provisions for the natural geological and mining conditions, in the disclosed method the rate of gassing-out the coal bed is selected from the following expression: ##EQU1## WHERE W is the amount of water flowing into the gasification zone, m.sup.3 /hour;

REFERENCES:
patent: 947608 (1910-01-01), Betts
patent: 2973811 (1961-03-01), Rogers
patent: 4024914 (1977-05-01), Kreinin
Nusinov, Subterranean Galification of Coal, Canadian Chemistry and Process Industries, June, 1946, pp. 29-32.
Sellers, Gasification of Coal Underground, The Gas World, Feb. 1947, pp. 217-219.

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