Now showing items 61-80 of 366

    • Challenges with Arctic and harsh environment exploration and production 

      Holien, Bjørn Karlsen (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-15)
      As the world energy needs rises combined with declining reserves in producing hydrocarbon field’s new areas for exploration is needed. A study performed by the U.S. Geological Survey in 2008 estimated that 22% of the ...
    • Characterization and performance of 70/30 and 90/10 OBM mud systems 

      Khaing, Su Wai Aung (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-16)
      Drilling fluid is an essential part of drilling operation. The main functions of the drilling fluid are to transport cutting, to maintain well pressure and cooling formation and drill-bit. The detail knowledge of drilling ...
    • Characterization and performance study of OBM at various oil-water ratios 

      Sharman, Thomas (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015)
      Drilling fluids are an essential part of the drilling operation. One of the main functions of a properly maintained drilling fluid is to suspend cuttings, as well as weighting materials, in static conditions. Insufficient ...
    • Characterization of flow regime of highly viscous oils using conventional ICD and BECH AICD 

      Awannegbe, Edohamen (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-13)
      Horizontal wells are currently very common for oil production, because they can increase its efficiency. An offshore platform for instance, may have several wells all aiming to produce from a common reservoir. In addition, ...
    • Characterization of Wettability Alteration by Flotation 

      Haugen, Preben Emil (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06)
      A study in how wettability is altered by different brine/oil combnations
    • Chemically induced compaction in fractured and intact chalk cores 

      Geitle, Kristine (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-17)
      The effect of pore water chemistry on the mechanical strength of chalk has been thoroughly investigated during the last years. Recent studies have demonstrated precipitation of new minerals that further triggers dissolution ...
    • Clay minerals in sandstone reservoirs: implications for "smart water" injection 

      Haugvaldstad, Eirik (Masteroppgave/UIS-TN-IPT/2014;, Master thesis, 2014-06-16)
      Clay minerals as ubuquitous in sandstone reservoirs, yet many of their effects are not well understood. This literature study examines the relationship between the most common clay minerals and smart water injection in ...
    • Clean-up of horizontal well using ICD 

      Rios Fuentes, Edwin Felipe (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-13)
      An efficient clean-up process is a key factor determining horizontal wells productivity. Numerous factors cause formation damage around wellbore vicinity and numerous treatments have been developed to mitigate each damaging ...
    • CO2 Methanation over Carbon Nanotubes Supported Nickel Catalyst 

      Shetty, Roshan (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)
      CO2 hydrogenation to methane has become one of the most researched area due to the possibility of reducing CO2 emissions and at the same time to be utilized in the power-to-gas or biogas upgrading technology. Catalyst is ...
    • CO2 sequestration in gas-condensate reservoirs 

      Choque, Hilda (Master thesis, 2014-07-30)
      In this thesis, it is being analyzed effects of carbon dioxide (CO2) injected into a retrograde gas reservoir to enhance liquid production from such reservoirs while simultaneously sequestering amounts of CO2. Mixing ...
    • CO2-foaming agent retention in fractured chalk models: Experiments and simulations 

      Kvæstad, Ann Helen (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      Injection of CO2-gas can improve the oil recovery. In naturally fractured reservoirs such as chalk, injection of CO2-gas can result in early gas breakthrough because the gas can use the fractures as pathways from the ...
    • Computer assisted history matching : A comprehensive study of methodology 

      Arief, Ibnu Hafidz (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013-06-17)
      History matching is an important step in reservoir simulation study. The objective is to validate a reservoir model before it is used for prediction. In conventional way, people do history matching by manually adjusting ...
    • Consequences of small leaks in wellhead system 

      Ohm, Julie Marie (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013)
      An increased frequency of minor gas leakages from seals in the wellhead (WH) area have been detected and recently given an increased focus among companies on the Norwegian continental shelf. Among others have Statoil and ...
    • Contribution to supply chain management and incentive modeling with application from the upstream oil and gas industry 

      Sund, Knut Arne (PhD thesis UiS;, Doctoral thesis, 2011)
      The general subject of this thesis is incentive modeling related to inter-organizational relationships and supply chain management in the oil and gas industry. More specifically, it ncludes an embedded multiple case study ...
    • Core-scale simulation of polymer flow through porous media 

      Norris, Ursula Lee (Masteroppgave/UIS-TN-IPT/2011;, Master thesis, 2011)
      From a multitude of laboratory studies conducted by various researchers during roughly the last 40 years (e.g. Hirasaki and Pope 1974, Heemskerk et al. 1984, Stavland et al. 2010), it has been identified that the behavior ...
    • Correct sampling of gas condensate reservoir with liquid drop around the well 

      Gebremedhin, Okbit (Master thesis, 2014-06-15)
      In gas-condensate system for an accurate engineering and science computations such as reserves estimation and well testing and analysing a concrete knowledge of phase and fluid phase behaviour is very significant. In ...
    • Cost and duration estimation for deep enhanced geothermal system well 

      Maita Pozo, Juan Carlos (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2013)
      Geothermal energy is today recognized as a weather independent and stable energy source with significant potential. The high cost of drilling long-reach wells is a key bottleneck and a show stopper for the realization of ...
    • Cutting transport models and parametric studies in vertical and deviated wells 

      Jiimaa, Girmaa (Masteroppgave/UIS-TN-IPT/2013;, Master thesis, 2014-01-09)
      Field experience shows that the accumulation of cutting in a wellbore causes several drilling problems. These include an increase in torque and drag, which may limit drilling from reaching to a desired target formation. ...
    • Data Accuracy from Well Test Operations 

      Gundersen, Ida Stuksrud (Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-12-18)
      This master thesis presents a study on data accuracy from well test operations. All data measuring methods, except bottomhole and surface PVT sampling, is investigated for the accuracy related to procedure and equipment ...
    • Deep water well intervention and fluid selection 

      Dulger, Merve (Masteroppgave/UIS-TN-IPT/2012;, Master thesis, 2012)
      Worldwide, the number of subsea wells showed a substantial increase over the last decade. This trend is particularly relevant for deep- and ultra deep-water field developments, indicating that the offshore oil and gas ...