METHOD FOR DEGASSING OF COAL-BEARING MASS

FIELD: mining industry. SUBSTANCE: this can be used for relieving from rock pressure, protection and degassing of outburst-risky and gas-bearing seams. Degassing method implies driving of drainage working in roof and foot of gas-bearing seam prior to start of driving development workings in seam bei...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BIRJUKOV JURIJ MIKHAJLOVICH, TONKIKH VASILIJ INNOKENT'EVICH, GONCHAROV EVGENIJ VLADIMIROVICH, KIRILLOV ALEKSANDR EVDOKIMOVICH
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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