• Analysis of predicting terminal velocities and impact energies of dropped objects falling through sea column 

      Shahbazi Doust, Arash (Master thesis, 2023)
      Many offshore operations include risks that might lead to catastrophic consequences. One of the most common offshore risks is the unintentional drop of objects during various marine operations. This work is divided into ...
    • Design of a handling mechanism for deployment of multiple concrete mattresses in a single lift 

      Chatzillari, Eirinaios (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06-15)
      If one could imagine a single pipeline spanning approximately 11,000 km from Oslo, Norway to Bangkok, Thailand, this would be similar to the total length of the Norwegian oil and gas pipeline network combined [1]. The ...
    • Design of Submarine Pipeline With Respect to Corrosion and Material Selection 

      El-Mogi, Hossam (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-12-15)
      Pipelines are an essential part of the oil and gas industry as they are the main means of transportation. As the offshore technology advances, subsea pipelines are being operated in more demanding environments. For the ...
    • Feasibility Study of Application of Residual Curvature Method in Deepwater Free Hanging Risers 

      Vesga Hernandez, Jeison Leandro (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-07-15)
      The Offshore Oil and Gas industry has been moving to deeper water and needs to manage production in more extreme conditions. Risers systems are essential components for the transportation of these hydrocarbons from producing ...
    • Free Hanging Catenary Riser with Steel and Titanium 

      Silva, Marina Simplicio da (Master thesis, 2022)
      Deepwater developments are becoming increasingly common in several parts of the world. Although the technological advances have grown exponentially since the first development in such great depth, challenges are still faced ...
    • Optimisation of Steel Lazy Wave Risers 

      Knapstad, Bjarte (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-07-13)
      The objective of this thesis is to optimise the performance of an initial Steel Lazy Wave Riser (SLWR) configuration with regards to the combined loading criteria in the Offshore Standard DNV-OS-F201: Dynamic Risers. This ...
    • Parametrization of Steel Lazy Wave Riser Configuration for Fatigue Considerations at the Touch Down Point 

      Jayathilake, Laksri (Master thesis, 2022)
      With the advancement of technologies, deepwater oil and gas exploration has shown promising results worldwide. Production risers are integral in offshore hydrocarbon exploration because they transfer oil and gas from the ...
    • Pipelay with Residual Curvature 

      Tewolde, Abraham (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-15)
      Offshore pipelines under operating loads, i.e. under high temperature and pressure, are exposed to expansion and compressive forces, which may cause the pipeline to buckle globally. If significant lateral motion and excessive ...
    • Steel Catenary Riser with Residual Curvature in Deepwater and Harsh Environment 

      Byman, Jonatan (Master thesis, 2022)
      The exploration and production of oil and gas are still high in demand. With the advancement of subsea technology, it is possible to move into deeper waters and harsher environments. It highlights the importance of finding ...
    • Ultra-Deep Water High Pressure Riser Concept Offshore Brazil 

      Adejuwon, Akinlawon Oluwafemi (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06-15)
      Since the 1950s, risers have continued to be an important part of an oil and gas producing field. As the primary equipment that conveys fluids to and from the topside vessel, it is important ...