SINGLE-CONE ROCK BIT HAVING CUTTING STRUCTURE ADAPTED TO IMPROVE HOLE CLEANING, AND TO REDUCE TRACKING AND BIT BALLING

A roller cone drill bit is disclosed which includes a bit body adapted to be coupled to a drill string, a bearing journal depending from the bit body and a singl e roller cone rotatably attached to the journal. The roller cone has a plurality of insert s disposed thereon. In one aspect, the inserts...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIANG, YING, SIRACKI, MICHAEL ALLEN, WITMAN, GEORGE BODO IV
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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