METHOD FOR CONSTRUCTING HORIZONTAL OR SLANTING DRAINING WELL IN WATERED SAND HORIZONS, DEVICE FOR REALIZATION OF SAID METHOD, FILTER PIPE

FIELD: mining industry. ^ SUBSTANCE: method includes providing for possibility of boring by outer filter column due to protection of filtering elements of the latter and removal of free connection between inner hollow of column to force-pumping water horizons, use of composite mechanical valve, one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BELJAKOV S.I, DEREVENSKIKH N.JA, PONOMARENKO JU.V, VOLKOV JU.I, KUZ'KIN V.S, GONCHAROV P.E, TIMOSHKOV I.A, GUSAKOV A.M, KUZ'KIN S.V, IZOTOV A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER 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 SEWERAGE WATER SUPPLY
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