• Drill bits technology - introduction of the new kymera hybrid bit 

      Nguyen, Don Tuan (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The early concepts of hybrid bits date back to the 1930’s but have only been a viable drilling tool with recent polycrystalline diamond compact technology. Improvements in drilling performance around the world continue to ...