DIAMOND BIT STEEL BODY CUTTER POCKET PROTECTION

A drill bit that includes a steel bit body having at least one blade thereon, at least one cutter pocket disposed on the at least one blade; at least one cutter disposed in the at least one cutter pocket; at least one recess formed in at least a portion of the surface of the at least one cutter pock...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LOCKSTEDT, ALAN W, OLDHAM, THOMAS W
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BORING COMBINED OPERATIONS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS OTHER WORKING OF METAL PERFORMING OPERATIONS TRANSPORTING TURNING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	A drill bit that includes a steel bit body having at least one blade thereon, at least one cutter pocket disposed on the at least one blade; at least one cutter disposed in the at least one cutter pocket; at least one recess formed in at least a portion of the surface of the at least one cutter pocket, wherein the recess is adjacent a leading face of the at least one blade; and an erosion resistant material in the at least one recess is disclosed.