CUTTING STRUCTURES FOR EARTH-BORING DRILL BITS

A drill bit (12) includes a bit body (14) having a face on which two different types of cutters are disposed (32, 36), the first type being cutting elements suitable for drilling (32) at least one subterranean formation and the second type (36) being at least one of an abrasive cutting structure and...

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Bibliographische Detailangaben
Hauptverfasser:	MCCLAIN, ERIC E, THOMAS, JOHN CLAYTON, JURICA, CHAD T, DOSTER, MICHAEL L, ISBELL, MATT, DEGEORGE, JAROD
Format:	Patent
Sprache:	eng ; fre
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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Beschreibung
Zusammenfassung:	A drill bit (12) includes a bit body (14) having a face on which two different types of cutters are disposed (32, 36), the first type being cutting elements suitable for drilling (32) at least one subterranean formation and the second type (36) being at least one of an abrasive cutting structure and an abrasive cutting element suitable for drilling through a casing shoe, reamer shoe, casing bit, casing or liner string and cementing equipment or other components as well as cement. Methods of forming earth-boring tools are also disclosed.