BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEARINGS, AND METHODS OF COOLING SUCH BEARINGS

Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing membe...

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Bibliographische Detailangaben
Hauptverfasser:	Aaron J. Dick, Louise F. Van Staden, Gregory B. Swanepoel, Klaus Tank, Alejandro Flores, Dragan Vukovic, John F. Bradford, Siu-wah Wai, Chih Lin, Clement D. Van Der Riet
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	BEARINGS BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member. Cojinetes para herramientas del fondo de la perforación que incluyen un primer miembro de cojinete y un segundo miembro de cojinete, en por lo menos uno del primer y segundo miembros de cojinete que tienen un canal formado en los mismos. Métodos de enfriamiento de cojinete de herramienta del fondo de la perforación comprenden hacer fluir un fluido dentro de un canal formado en por lo menos un miembro de cojinete. El calor se transfiere desde al menos el por lo menos un miembro de cojinete al fluido. El fluido fluye lejos de por lo menos un miembro de cojinete.