METHOD FOR INCREASING OF PERMEABILITY OF PAYABLE SEAMS

FIELD: mining industry; applicable in degassing of gas-bearing coal seams. SUBSTANCE: method for increasing of permeability of payable seams includes determination of rock density by geophysical method. Then, vertical slot is cut with the aid of sand-jet perforation, and rock density on the slot sec...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Krotov N.V, Kuznetsov V.P, Jurgenson V.A, Petukhov I.M, Goncharov E.V, Sergeev A.B, Gerasimenko G.N, Ivanov A.N, Marmorshtejn L.M, Sidorov V.S, Ovnatanov G.T
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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