PROTECTED BACK-UP RINGS FOR METAL FACE SEALS AND EARTH BORING TOOLS INCORPORATING THE SAME

An earth-boring rotary drill tool may comprise a body comprising a pin, a roller cone mounted on the pin, and a seal assembly disposed between the pin and the roller cone. The first ring may comprise longitudinally converging sidewall surfaces defining a minimum radial thickness of the first ring at...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Ricks, Gregory L, Schroder, Jon David
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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