Blar i Studentoppgaver (TN-IKM / TN-IMBM) på emneord "undervannsteknologi"

Viser treff 101-120 av 193

    • Hydrodynamic analysis of drill string in open water 

      Obadina, Adewale (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)
      Due to a decline in proven petroleum reserves through continued production, exploration of oil and gas has moved into more challenging environment and into deep and ultra-deep water. Over the years, the equipment and ...

    • Improvisation of deepwater weight distributed steel catenary riser 

      Ruswandi, Muhamad Iqbal (Masteroppgave/UIS-TN-IKM/2009, Master thesis, 2009)
      Nowadays, oil and gas sources are found in deeper water depths and in more hostile environments. This results in the need for more advance technologies. Riser system is a key element in providing safety. Riser failure ...

    • In-place strength assessment of a jacket and effects of an impact with a floating living quarter (flotel) 

      Chai, Lu (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)
      The primary function of a jacket structure is to support the weight of the topside structure by transferring the weight to the foundation. The jacket structure must also be designed to resist environmental loads (from wind ...

    • Innovative developments and managerial factors as key enablers of deepwater riser project delivery 

      Belik, Maxim (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-15)
      The oil and gas industry is currently facing unprecedented challenges because of a negative impact from a declined commodity pricing trend. As the industry tackles deeper and more complex projects, the use of innovative ...

    • Inspection and monitoring techniques for un-bonded flexible risers and pipelines 

      Simonsen, Anders (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-16)
      Un-bonded flexible pipelines and risers are an alternative to conventional rigid steel pipes. The use of flexible pipes has enabled development of several offshore fields that seemed unfeasible with the use of rigid pipes ...

    • Installation analyses of a subsea structure 

      Nagarathinam, Muthuraman (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-12)
      A typical installation of a subsea structure with mono hull offshore construction vessel is studied. Focus has been on the vessel motions, lifting arrangement and the planning of this operation. The behaviour of vessel ...

    • Installation of steel pipelines and flexible pipelines in sideway current 

      Karimi, Mina (Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)
      This master thesis is describing the theoretical & analytical principles of pipeline installation. In the literature survey stage we elaborate on basic information about different types of offshore pipelines. Installation ...

    • Installation of subsea equipment in ultra-deep water using fibre rope deployment system 

      Andreassen, Marie Engedal (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06-15)
      As the demands for installation at deeper waters is increased, technology for such installations must be adapted to the conditions of the deep and ultra-deep water depths. This thesis provides information of such installations ...

    • Integrated Evaluation of Masela Block Development Concepts 

      Astari, Amalia Handini (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-12)
      The vast amount of proven reserves of Masela gas block in Indonesia that reach 10.73 TCF is captivating in terms of development. The hydrocarbon is going to be produced through 18 production wells that are connected to 5 ...

    • Investigation of suction anchor pullout capacity under undrained conditions 

      Jarand, Pollestad (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      Floating units are dependent on reliable mooring systems to ensure safety during marine operations. Suction anchors have proved to be a technologically viable and cost-effective concept. They are capable of precision ...

    • Investigation of which sea state yield the dominating contribution to fatigue accumulation in offshore structures 

      Weldeslassie, Mebrahtu (Masteroppgave/UIS-HF-IKM 2014;, Master thesis, 2014-06-23)
      Majority of the fatigue damage on offshore structures is generally assumed to be caused by relatively frequently occurring moderate sea states, i.e. sea states with significant wave height in the range of 4m - 8m.On the ...

    • Key configurations for design and fabrication of high speed offshore vessels 

      Bukhanevych, Nadiya (Masteroppgave/UIS-TN-IKM/2010;, Master thesis, 2010)
      With the development of the Norwegian and the Barents seas and by advancing the oil and gas industry further to the sea from the coastal line, the marine industry requires a class of different purpose vessels to operate ...

    • Lateral buckling and axial walking of surface laid subsea pipeline 

      Obele, Ifenna (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013-10-07)
      Subsea pipelines are increasingly being required to operate at high temperature and pressure HT/HP. The pipeline installed on the seabed and left exposed have a potential to buckle, walk and change configuration under ...

    • Lateral buckling induced by trawl gears pull-over loads on high temperature/high pressure subsea pipeline 

      Herlianto, Iswan (Masteroppgave/UIS-TN-IKM/2011;, Master thesis, 2011)
      This thesis work is performed to study and understand the pipeline global response as a result of trawl gears pull-over loads triggering lateral buckling on high temperature/high pressure subsea pipeline. The external ...

    • Life cycle cost for modification project 

      Teng, Ming Chuin (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)
      Life Cycle Costing is a commonly used method for evaluating various alternatives and hence, choosing the best solution. This method is not fully utilized in the Front End Loading studies performed by one of the operating ...

    • Lifting/Installation analysis of spool - Comparison between brace and spreader solution from a structural, operational and economical point of view 

      Hope, Hallvard (Masteroppgave/UIS-TN-IKM/2011;, Master thesis, 2011)
      As large sections of production pipe are lifted and installed, forces act on the structure. If initial analyses of the structural integrity show that the pipe will fail, support elements have to be introduced. The two most ...

    • Limiting operational wave criterion for spool installation lift - with emphasis on analysis and wind-wave modeling 

      Dreng, Ånundson Viki (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      Spools are rigid pipe sections which are parts of the infrastructure for transporting produced hydrocarbons and injection fluids subsea. Installing them includes a subsea lifting operation commonly carried out by use of ...

    • Long term analyses of wave characteristics 

      Pekovic, Predrag (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      The focus in this master’s thesis was to describe and compare the two long-term analysis methods: All Sea States and Peak-Over-Threshold. Both methods are equitable and commonly approved methods to estimate extreme waves. ...

    • Low cost deep water wells 

      Gundersen, John Normann (Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)
      A major cost-factor of drilling deep water wells today is associated with the high day rates of the larger rigs capable of drilling in such depths. Most subsea completions today are based on the 18-3/4” wellheads system. ...

    • Mobile offshore wind turbine 

      Korovkin, Pavel (Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)
      This master thesis develops a concept of a mobile offshore wind turbine. A fully instegrated vertically floating unit with telescopic tower and buit in lifting mechanism. Towing to site, installation and elevation methods ...