• Torque & drag analyses of North Sea Wells using new 3D model. 

      Tveitdal, Terje (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      Excessive drill string torque and drag is one of the major limitations of extended-reach and horizontal drilling. The torque and drag models are used in the planning phase and during the drilling of a well, as a tool used ...