• Improving drilling hydraulics estimations ‑ a case study 

      Ashena, Rahman; Hekmatinia, Abdol-Azim; Galambor, Ali; Aadnøy, Bernt Sigve; Enget, Charissa; Rasouli, Vamegh (Peer reviewed; Journal article, 2021-06)
      Accurate pressure drop estimation is important for drill string and bit nozzles design and optimized fluid circulations as well as identifying the drilling problems such as bit nozzle(s) washout or plugging. In this study, ...
    • MoS2 Nanoparticle Effects on 80°C Thermally Stable Water-Based Drilling Fluid 

      Agonafir, Mesfin Belayneh; Aadnøy, Bernt Sigve; Strømø, Simen Moe (Peer reviewed; Journal article, 2021-11)
      Bentonite-based drilling fluids are used for drilling, where inhibitive fluids are not required. The rheological and the density properties of the drilling fluids are highly affected by high temperature and pressure. Due ...
    • Optimizing the separation factor along a directional well trajectory to minimize collision risk 

      Khosravanian, Rasool; Mansouri, Vahid; Wood, David A.; Aadnøy, Bernt Sigve (Peer reviewed; Journal article, 2020-04)
      Optimizing the trajectory of directional wellbores is essential to minimize drilling costs and the impacts of potential drilling problems. It poses multi-objective optimization challenges. Well-design optimization models ...