METHOD FOR DEGASSING THE COAL SEAM Russian patent published in 1996 - IPC

Abstract RU 2054557 C1

FIELD: mining. SUBSTANCE: method for degassing the coal seam provides for coal seam degassing with the use of horizontal and inclined bore holes. Novelty consists in fire expansion of bore holes by countercurrent moving of fire seat. Technological conditions optimizing the process of employment of established collectors for methane recovery are offered. EFFECT: higher efficiency. 3 cl, 4 dwg

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RU 2 054 557 C1

Authors

Krejnin E.V.

Dates

1996-02-20Published

1992-12-24Filed