Blar i UiS Brage på forfatter "Ursin, Jann Rune"

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    • A Theoretical Study of the Effect of Salt Precipitation on CO2 Injectivity 

      Shaibu, Rashid (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06)
      Global concern on climate change due to the greenhouse effect has led to various efforts to tackle anthropogenic Green House Gas (GHG) emissions. Of the various GHGs, CO2 poses the greatest threat to the fight against ...

    • The effect of temperature on CO2 injectivity in sandstone reservoirs 

      Sokama-Neuyam, Yen Adams; Aggrey, Wilberforce N.; Boakye, Patrick; Sarkodie, Kwame; Oduro-Kwarteng, Sampson; Ursin, Jann Rune (Peer reviewed; Journal article, 2022)
      Carbon Capture, Utilization and Storage (CCUS) is a pragmatic technology that could reduce anthropogenic CO2 and halt climate change. CO2 injectivity is affected by several physicochemical interactions around the injection ...

    • Effects of fines migration on CO2 well injectivity 

      Timilsina, Bikram (Masteroppgave/UIS-TN-IPT/2016;, Master thesis, 2016-06-15)
      Carbon capture and storage is considered an important way to reduce atmospheric emission of greenhouse gases such as CO2. This technology involves capture of carbon from the source of emission, transportation to storage ...

    • Experimental and theoretical investigation of the mechanisms of drying during CO2 injection into saline reservoirs 

      Sokama-Neuyam, Yen Adams; Yusof, Muhammad Aslam Md; Owusu, Shadrack Kofi; Darkwah-Owusu, Victor; Turkson, Joshua Nsiah; Otchere, Adwoa Sampongmaa; Ursin, Jann Rune (Peer reviewed; Journal article, 2023)
      A viable CO2 storage resource must have sufficient storage capacity, reliable containment efficiency and adequate well injectivity. Deep saline formations stand out in terms of storage capacity and containment efficiency. ...

    • Experimental and Theoretical Modelling of CO2 Injectivity : Effect of Fines Migration and Salt Precipitation 

      Sokama-Neuyam, Yen Adams (PhD thesis UiS;, Doctoral thesis, 2017-11)
      Adequate well injectivity is required to inject large volumes of CO2 at acceptable rates through a minimum number of wells. Mineral dissolution and salt precipitation could impair CO2 injectivity and reduce the quality and ...

    • Experimental Investigation of the Mechanisms of Salt Precipitation during CO2 Injection in Sandstone 

      Sokama-Neuyam, Yen Adams; Ursin, Jann Rune; Boakye, Patrick (Peer reviewed; Journal article, 2019)
      Deep saline reservoirs have the highest volumetric CO2 storage potential, but drying and salt precipitation during CO2 injection could severely impair CO2 injectivity. The physical mechanisms and impact of salt precipitation, ...

    • Stochastic thermodynamic production model for shale gas reservoirs 

      Ramirez Pacheo, Carlos (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)
      Most operating companies use Decline Curve Analysis (DCA) for their production forecast on Shale Gas assets (Mongalvy, Chaput and Agarwal, 2011). DCA method is based in empirical analysis and the theoretical background ...

    • Theoretical Modeling of the Impact of Salt Precipitation on CO2 Storage Potential in Fractured Saline Reservoirs 

      Sokama-Neuyam, Yen Adams; Boakye, Patrick; Aggrey, Wilberforce Nkrumah; Obeng, Nicholas O.; Adu-Boahene, Francis; Woo, Seung Han; Ursin, Jann Rune (Peer reviewed; Journal article, 2020)
      Deep saline reservoirs have the capacity to hold large volumes of CO2. However, apart from the high brine salinity, which poses an injectivity challenge, a high percentage of saline reservoirs are also fractured. The ...

    • Theoretical modelling of the effect of salt precipitation on CO2 injectivity 

      Vorre, Kristian Lie (Masteroppgave/UIS-TN-IPT/2017;, Master thesis, 2017-06-15)
      Since the industrial revolution we have produced more carbon dioxide. Carbon dioxide is greenhouse gas which contributes to global warming. Carbon Capture & Storage (CCS) has been working on technical solutions that will ...