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Easy make-up is developed with the rugged, coarse pitch thread and steep taper for deep stabbing.
Superior compression strength obtained by optimized torque shoulder and controlled 25 degree stab flank reduced clearance.
100% internal and external pressure metal seal.
Toroidal design generates stable seal behavior for all combined-load conditions.
Dope pocket allows excessive dope to be lodged.

With 100% fully tested pipe body rated seal, excellent overtorque capacity and the versatility to perform in all environments, it has been proven extensively in the most complex operating conditions around the world for more than ten years. 


  • Available in sizes from 2 3/8" to 13 5/8".
  • Designed for high performance and versatility.
  • ISO 13679 CAL IV tested and field proven.
  • Parabolic seal contact pressure profile minimizes galling risk while improves sealing performance stability.



  • HP/HT & Deep Wells
  • Deepwater
  • Shallow water
  • Unconventionals
  • Horizontal and extended reach wells
  • Casing while drilling
  • Thermal (SAGD & CSS)
  • Geothermal
  • Surface and intermediate casing
  • Production casing, tie-backs and liners
  • Tubing

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