• Hole Cleaning and Mechanical Friction in Non-Circular Wellbore Geometry 

      Taghipour, Mohammad Ali (Doktoravhandlinger ved NTNU, 1503-8181; 2014:88, Doctoral thesis, 2014)
      Drilling is one of the most important cost drivers in the finding and development of oil and gas fields. More efficient drilling reduces the overall costs and enables drilling of longer wells to reach new reservoir targets. ...