METHOD FOR UNDERGROUND GASIFICATION OF COAL SEAM Russian patent published in 1997 - IPC

Abstract RU 2099517 C1

FIELD: mining; may be used in producing of gaseous energy carrier from coal at places of its occurrence. SUBSTANCE: method includes drilling of air blowing and gas discharge holes, supply of blasting, ignition and withdrawal of gaseous energy carrier. Novelty consists in that air blowing holes are located beyond the zone of rock displacement and drilled in rocks under gasified district of coal seam up to opposite boundary of district. EFFECT: higher efficiency. 2 dwg

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SU1836876A3

RU 2 099 517 C1

Authors

Gusev Ju.I.

Solntsev V.B.

Dates

1997-12-20Published

1995-11-16Filed