• Roller Kelly Bushings

    Roller Kelly Bushings are widely recognized as the standard of the industry.
    Description

    Tool, where applicable, updated in accordance with governing API standards

    • HDP Roller Kelly Bushing:  Widely recognized as the standard of the industry.  For master bushings with 25 3/4" pin circle and 27 HDP of 23" pin circle, 20 HDP.  Unit comes with wrench, wiper and wear gauge.
    • 27 XHDP Roller Kelly Bushing:  FOr extreme high-torque drilling.  Essentially two HDP bushings combined into one unit, this tool reduces wear to kelly and itself through wider force distribution.  For master bushings with 25 3/4" pin circle.  Unit comes with wrench, wiper, and wear guage.
    • HDS Roller Kelly Bushing:  For heavy duty square drive applications.  Components are interchangeable with HDP.  Unit comes with wrench, wiper, and wear guage.
    • Optional Lock Assembly:  Locks for the Kelly Bushing in the Master Bushing for use offshore with motion compensators.  Lock assembly may be ordered installed in 27-HDP only.  To specificy, add an "L" to basic part number of unit.

     

     

    Features/Benefits

    • HDP and HDS models for 27.5” master bushing application
    • Smaller models available on MTO basis
    • Designed for high speed / high torque drilling conditions
    • Offered in pin or square drive
    • Can be equipped for hex or square kellys
    • All components are interchangeable
    • Optional lock assembly