METHOD OF WORKING PROTECTIVE SEAM

mining, particularly, methods of underground gasification of coals. SUBSTANCE: method includes leading working of seam by method of underground gasification by drilling of two holes. Seam is lighted up and gasification products are withdrawn. In working of protective seam, methane gas of worked seam...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PAVLOV I.A, SHUVALOV JU.V, VESELOV A.P, SOLOV'EV V.B
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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