• Offshore Exploratory Drilling Campaigns During Low Oil Price Period: Maximizing Value Creation from Flexibility 

      Cardenas, Camilo (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)
      During severe oil price downturns, many operating companies reduce or eliminate large investments with long time horizons such as exploratory drilling campaigns. This reduction in investments forces rig and drilling services ...
    • Offshore ledelse og endring: Hvordan støtte utvikling og implementering av ISSOW (integrated safe system of work) 

      Skipenes, Anne Kristin (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-12)
      Som operatør av Ekofisk feltet har ConocoPhillips Norge kontinuerlig jobbet med å redusere sannsynligheten for hendelser med storulykkes potensial. Innen næringen har det vært fokus på å arbeide med å redusere storulykkesrisiko ...
    • On the activation energy for the formation of a critical size water cluster in structure I and structure II gas hydrates 

      Høvring, Eirik (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      In the present thesis, experiments have been performed in order to study the activation energy for the formation of a stable, critical size water cluster in structure I and structure II gas hydrates. This activation energy ...
    • Optimization of a Saldanadi gas field of Bangladesh 

      Salekin, Shah Md. Sirajus (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      In this study, three software (MBAL, PROSPER & GAP) are used to calculate different important parameters for "Saldanadi gas field optimization study". A systematic reservoir engineering investigation which is extremely ...
    • Optimization of gas lift system in Varg field 

      Ibrahim, Abu Taher Md. (Masteroppgave/UIS-TN-IPT/2007, Master thesis, 2007)
      The objective of this thesis work is to obtain the optimum gas injection rate which yields the maximum oil production. Obtaining the optimum gas injection rate is important because excessive gas injection rate reduces oil ...
    • Optimization of jars 

      Altamirov, Dishni (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-07-01)
      Stuck pipe is a major problem for the oil industry, and getting bigger as more complex horizontal and deviated wells are drilled. What causes this problem and the ways to avoid it are presented. The main tool to unstuck ...
    • Optimization of the lift gas compression system at the Eldfisk Complex 

      Ruysschaert, Rodrigo Aguilar (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The intention of this study was to maximize the oil production of the Eldfisk field. Two major constraints were encountered limiting the amount of gas that can be injected into the wells. Optimizing production taking these ...
    • P&A - status on regulations and technology, and identification of potential improvements 

      Eshraghi, Daniel (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-12)
      There will be a wave of wells needing to be abandoned in the North Sea over the next decades. The abandonment operation is known as Plug and Abandonment, or just P&A. As P&A has no value creation, it is very important that ...
    • P&A in Arctic conditons 

      Mehari, Elsa Taeme (Master thesis, 2014-06-30)
      All oil and gas wells will require plugging and abandonment (p&a) at some point in their operating life. Considering the challenging nature of the Arctic weather, its remoteness and lack of infrastructures, and its ice ...
    • P&A of Valhall DP wells 

      Njå, Nils Oskar Berg (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      The original platforms on the Valhall field will have to be decommissioned due to integrity issues. The oldest drilling platform, Valhall DP, has 30 wells that must be P&A in order to remove the platform. This thesis ...
    • P&A operations today and improvement potential 

      Steen, Christian (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-05-29)
      Today rig/derrick and vessels is traditionally used to perform a P&A operation. With a rising need for P&A operations combined with the wish of having a stable level of drilling operations, a shortage of rigs will be a ...
    • P&A using PWC technique and verification of the plug 

      Erland, Sofie Stange (Master thesis, 2014-06-16)
      When a well is permanently plugged and abandoned (P&A), a plug has to be set over the entire cross section of the well. The conventional method to perform a P&A operation is to mill the casing and pull it to surface before ...
    • Paleogeographic reconstruction of the northern Caribbean region from Late Cretaceous to the Recent 

      Ahmad, Sayyid Suhail (Master thesis, 2014-06-16)
      The northern Caribbean region is geologically complex region and is located between two large hydrocarbon provinces (Gulf of Mexico and the South American continental margins). Using a mega-regional dataset that includes ...
    • Paleozoic-Holocene tectonostratigraphic evolution of the Sørvestlandet High and the Åsta Graben, Southern Norwegian North Sea 

      Doudouh, Laila (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)
      This study is presenting a three-dimensional seismic data set and published data from exploration wells which were used to reconstruct the tectonostratigraphic evolution of the Sørvestlandet High, Southern North Sea, Norway. ...
    • Paradigm Shift in International Gas Market Towards an Integrated Market? - Possible Impacts on Markets in East Asia and North West Europe 

      Regina, Indhira (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-14)
      Currently gas markets are largely regional and segmented as the result of transport complexities, differences in regional price formation and regulatory factors. Natural gas is more difficult to transport than oil and ...
    • Parametric sensitivity studies of gravel packing 

      Bergkvam, Rune (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-16)
      Several factors determine the success of Alpha-Beta gravel packing procedures in deviated wells. Among others gravel concentration, rheology of carrier fluid and injection rates could be mentioned. Choosing incorrect ...
    • Particle transport and hole cleaning in wells during drilling 

      Johnsen, Maria Sletteng (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-16)
      The purpose of the thesis was to look at particles in different rheology to develop a methodology for measuring settling velocities in static systems. There was built a small-scale cell with an inner pipe and a discharge ...
    • Performance analysis of gas lifted wells with injection pressure operated valves in the Ekofisk field 

      Kniazeva, Nataliya (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012-06)
      Gas lift design featuring several gas lift valves in a well is common in the industry. The sequence of valves in the tubing string allows for gradual well unloading and injection through the deepest valve (operating point). ...
    • Performance of autonomous inflow control systems 

      Jovanov, Igor (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)
      The first passive Inflow Control Devices (ICDs), were introduced in the early 1990’s. Their task is to provide an additional choking effect in long reach horizontal wells and to eliminate heel-toe effect. There are several ...
    • Performance optimized rig design 

      Winther, Andreas Ims (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-12)
      Increasing the number of wells drilled into a reservoir leaves less oil in the reservoir as well as exploration of new reservoirs demands to drill new wells. By increasing the efficiency of a drilling rig, more wells can ...