Wedge 531™


  • Exceptional torque strength developed through the simultaneous engagement of opposing flanks of the double hooked dovetail thread.
  • Streamlined, clearance OD facilitates running, pulling, and circulating.
  • Trouble free make-up is developed with the rugged, coarse pitch thread and steep taper for deep stabbing.
  • 100% ratings for tension and bending provided by machining pin and box on hot forged internal-external upsets. Reverse angle stab flank provides 100% compression ratings.
  • 100% pipe body internal yield and collapse strength created with the lubricant seal of the dovetail threads.


  • Production tubing and work-strings
  • Horizontal and extended-reach wells
  • Drilling with tubing


  • CB ring

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