METHOD FOR OPENING PRODUCTIVE BED FROM WELL AND DEVICE FOR REALIZATION OF SAID METHOD

FIELD: oil and gas extractive industry. ^ SUBSTANCE: method includes drilling perforation channels in wall of casing string and behind-pipe space, by drill. Drill is extended after each deepening for a length of its rod. Assembly for feeding drill is detached from received combined rod, left in dril...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SERGIENKO M.P, SHAROV A.A, METEL' JU.G
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
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