Cathedral Energy Services
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nDURANCE® Motors

Cathedral’s nDURANCE® high performance drilling motor series was built to overcome today’s most challenging drilling environments. The combination of our proprietary power sections and patented bearing sections delivers increased torque, proven reliability and outstanding drilling performance. With over 10 million meters drilled in the most demanding areas of Western Canada and the United States, our nDURANCE motors have delivered higher total rate of penetration (ROP) compared to traditional motors and have significantly reduced project costs for our customers.


  • Consistent torque at high loads
  • Low friction angular bearings for axial and radial support
  • Ultra high strength driveline components
  • Multi-stack split race bearing design
  • Shorter bit to bend
  • Hard rubber, even wall stators


  • Formations with poor build tendencies
  • Hard, aggressive, and unconsolidated formations
  • Monobore wells


  • Enhanced bit life
  • Greater reliability
  • Increased horsepower and torque
  • Higher durability
  • Greater weight on bit capacity
  • Fewer trips
  • Lower project costs
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Cathedral divests its Flowback and Production Testing division to Ideal Completions Group.