Wear resistant plates on a leading transitional surface of the leg for a rotary cone drill bit

In an embodiment, a rotary cone drill bit comprises: a body, a leg depending from the body, a bearing shaft extending from the leg and a cone mounted to the bearing shaft. The leg includes a leading transitional surface. A bottom surface of a hard material plate is attached to a substantially confor...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KONGAMNACH, AMNACH, FIERRO, CESAR A, HARRINGTON, DAVID MICHEL
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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