Method of underground conversion of coal

Details Method of underground conversion of coal Method of underground conversion of coal

1984-01-20

1985-08-27

Suchfield, George A.

Wells

Processes

Specific pattern of plural wells

166259, 166263, 166272, E21B 43247, E21B 4330

Patent

active

045372527

ABSTRACT:
A method of converting coal and other solid carbonaceous material to gaseous and liquid products by heating the coal in the presence of the gaseous effluent to a sufficient temperature for pyrolyzing the coal to produce liquid and gaseous products. Thereafter, further gasifying the coal to produce a gaseous effluent to be used in subsequent steps to produce liquid and gaseous products.

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patent: 4440224 (1984-04-01), Kreinin et al.
patent: 4448252 (1984-05-01), Stoddard et al.

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