METHOD FOR PREVENTION OF OUTBURSTS OF COAL AND GAS

摘要

It is intended to prevent the emission of gas and coal in underground coal seams. The method comprises drilling of slaughtering generation of holes, the depth determination gidrozazhiya and injecting fluid into gidrootzhima mode with preliminary moistening effective drainage of the reservoir. Characterized in that during gidrootzhima determined depth unloading zone and gidrootzhima formation. Manufact.:WEEKE m sealing holes in the unloading zone. In this prewetting well bottom portion of the coal seam is carried out to a depth of discharge zones. Godrootzhim and prophylactic hydration is carried out through the same holes.