Cutting element for roller cone drill bit

An insert 330 for a roller cone drill bit comprises a base 331 and a cutting portion 332. The cutting portion extends from the base and comprises a crown 340 with a cutting surface 333 including a plurality of spaced apart cusps 341, 342, 343. The cusps may be partially dome shaped or arcuately shap...

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Hauptverfasser:	ZHOU YONG, SCOTT MCDONOUGH, VINCENT WAYNE SHOTTON
Format:	Patent
Sprache:	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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creator	ZHOU YONG SCOTT MCDONOUGH VINCENT WAYNE SHOTTON
description	An insert 330 for a roller cone drill bit comprises a base 331 and a cutting portion 332. The cutting portion extends from the base and comprises a crown 340 with a cutting surface 333 including a plurality of spaced apart cusps 341, 342, 343. The cusps may be partially dome shaped or arcuately shaped. The cusps may be circumferentially spaced around the crown, and/or placed in central position 345. The insert is of particular application in the gage row of the roller cone.
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subjects	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
title	Cutting element for roller cone drill bit
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