Inclined leg earth-boring bit

An earth-boring bit has a body with a threaded pin on the upper end for connecting to a drill string. Bit legs are formed symmetrically on the exterior of the body and extend downward. The lower portion of each bit leg is inclined and offset circumferentially from the upper portion. A cutter is moun...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KEVIN W SCHADER, GREGORY L RICKS, GLENN R ZADRAPA, ROBERT E GRIMES, KENNETH C BRANNON
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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