Rotary blade self-updating intelligent drill bit and updating method

The rotary blade self-updating intelligent drill bit comprises a drill bit body, rotary blades, PDC teeth, a nozzle and a connector, the rotary blades are arranged on the drill bit body and can rotate around a rotary shaft, and a test system, a signal input device, a microcomputer, a signal output d...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	REN HAITAO, LI HUA, FU CHENG, HUANG KUILIN, FENG YUEQIANG
Format:	Patent
Sprache:	chi ; eng
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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