WELL DRILLING METHOD

FIELD: mining.SUBSTANCE: well drilling method uses the bit containing a housing with a roller cutter having the conical surface formed by peripheral gear and/or pin cutting structure with identical quantity of rock cutting elements and with an identical step of their arrangement on each roller cutte...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MALYSHKIN DMITRIJ ALEKSANDROVICH, KHUSNUTDINOV MIKHAIL KONSTANTINOVICH, LJUBIMOV OLEG VLADISLAVOVICH, BOGOMOLOV IGOR' DMITRIEVICH
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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