DEVICES AND SYSTEMS FOR REDUCING CYCLICAL TORQUE ON DIRECTIONAL DRILLING ACTUATORS

An actuator for use in a directional steering assembly includes an ultrahard insert positioned on a working face. The ultrahard insert is positioned along at least a portion of the perimeter of the working face. The ultrahard insert has a coefficient of friction less than a material of the remainder...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Haugvaldstad, Kjell, Cannon, Neil
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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