The PEN-O-TRATOR reamer shoe has been specifically designed to aid with the installation of any casing, liner, or screen application, where the operator has concerns over potentially difficult wellbore conditions such as swelling shales, ledges, and washed out areas within the wellbore.


  • Casing friendly tungsten carbide cutting structure
  • Anti-aggressive left-hand blades minimize torque
  • 360° cutting structure facilitates reaming past obstructions with or without rotation
  • Wellbore seeking eccentric guide nose negotiates troublesome formations
  • Ezi-Drill® aluminium guide nose to aid drillout without compromising nose strength
  • Flow ports offering 360° flow area
  • Slick body design helps reduce ECD


  • Standard 5,000 PSI and 10,000 PSI valves
  • API rated Single, double, and auto-fill valve options
  • Ball deflector/ball catcher options available
  • All API and premium connections available
  • All material casing grades available

For specifications, application solutions, and PEN-O-TRATOR availability, please contact your local Downhole Products representative.

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