Generating medium BTU gas from coal in situ

Details Generating medium BTU gas from coal in situ Generating medium BTU gas from coal in situ

1977-05-27

1978-07-11

Novosad, Stephen J.

Wells

Processes

In situ combustion

166259, 175 457, E21B 4324, E21B 4326, E21C 4300

Patent

active

040995674

ABSTRACT:
Medium BTU gas is generated from coal in situ by establishing communication channels through the coal in part by projectiles and in part by burning. Oxygen is employed for reaction with the coal and reaction temperatures are controlled by injection of steam.

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patent: 4010800 (1977-03-01), Terry
patent: 4015663 (1977-04-01), Strubhar

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