Anti-bit balling PDC drill bit

The utility model discloses an anti-bit balling PDC drill bit, mainly comprising a drill bit body, a PDC composite sheet and bulges at the surface of the drill bit body; the attaching force of rock debris to the surface of a cutter wing can be reduced by the bulges at the surface; when the rock debr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN JINGYAN, LI HONGXUAN, SUN JUN, QIU WEI, HOU QINGYONG, XU YUCHAO, ZHANG DONG, GUAN SHUWEI, ZHANG KUN, WANG WEITAO, CHEN XI, WANG MINGRUI
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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