• Numerical Simulation and Experimental Study of Reelwell’s Heavy over Light Solution in Vertical Well Sections 

      Haaland, Anne May (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)
      Reelwell has developed the Reelwell Drilling Method (RDM), including the Heavy Over Light (HOL) solution. The HOL solution allows drilling with simultaneously use of two different drilling fluids, i.e. a near static ...
    • Numerical simulation of chemical flow-zone isolation 

      Helleren, Johan (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      Silicate gel has been mostly used for near well treatment. A field test in the Snorre reservoir on the Norwegian Continental Shelf (NCS) has been planned, where the object of the test is to technically qualify silicate gel ...
    • Numerical simulation of co-current and counter-current imbibition 

      Utsetø, Marco (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)
      Spontaneous imbibition (SI) is a very important mechanism for oil recovery in naturally fractured reservoirs. Several studies have indicated that counter-current oil production is much slower and give lower ultimate oil ...
    • Numerical simulation of productivity effects by hydraulic fracturing in a low permeability fluvial reservoir in the north sea 

      Ferkingstad, Jan Morten (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      A simulation study was performed on a recently discovered oil field. The operator is Talisman Energy, and the reservoir is complex in terms of disconnected fluvial channels, surrounded by a large majority of shale. The ...
    • Numerical simulation of Spontaneous Imbibition of Smart Water into Preferentially oil-wet Carbonate using ECLIPSE 100 

      Worku, Tewodros Sebsibe (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)
      Spontaneous imbibition (SI) is the main recovery mechanism in low matrix perme- ability, naturally fractured reservoirs. However, for imbibition to occur, the reservoir rock should be preferentially water-wet. Several ...
    • Numerical simulation of surfactant flooding in mixed wet reservoirs 

      Aslam, Usman (Masteroppgave/UIS-TN-IPT/2010;, Master thesis, 2010)
      Surfactants have been considered for enhanced oil recovery either by reduction of oil–water interfacial tension (IFT) or through wettability alteration. This study reveals the effect that reduced interfacial tension has ...
    • Numerical treatment of two-phase flow in capillary heterogeneous porous media by finite-volume approximations 

      Evje, Steinar; Friis, Helmer André (Journal article; Peer reviewed, 2012)
      This paper examines two-phase flow in porous media with heterogeneous capillary pressure functions. This problem has received very little attention in the literature, and constitutes a challenge for numerical discretization, ...
    • 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 ...