PDC (Polycrystalline Diamond Compact) drill bit with double-channel structure

The invention discloses a PDC drill bit with a double-flow-channel structure, and belongs to the technical field of drilling and production equipment. The PDC drill bit with the double-flow-channel structure comprises an integrated drill bit body, blades, gauge protectors and isolation blades, the m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG PEI, CAO WENYANG, CAI CAN, ZHOU SHENGWEN, DENG TAO, ZENG LANG, XIE QUANGONG, FAN KANGKANG, YANG XIANPENG
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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