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...

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Bibliographische Detailangaben
Hauptverfasser: Haugvaldstad, Kjell, Cannon, Neil
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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 of the working face.