DRILL BIT

FIELD: mining. ^ SUBSTANCE: present invention pertains to drill bits meant for drilling with continuous removal of core material. The drill bit has a body with a working end, which is fitted with well and core-forming cutters, displaced from diametral planes, parallel their cutting edges, to the sid...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ORLOV VLADIMIR IVANOVICH, PANIN NIKOLAJ MITROFANOVICH, SOROKIN VLADIMIR FEDOROVICH, KIRSANOV VALERIJ ALEKSANDROVICH
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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