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Blar i SINTEF Open på forfatter "Lund, Halvor"

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    • A Two-Fluid Model for Vertical Flow Applied to CO2 Injection Wells 

      Linga, Gaute; Lund, Halvor (Journal article; Peer reviewed, 2016)
      Flow of CO2 in wells is associated with substantial variations in thermophysical properties downhole, due to the coupled transient processes involved: complex flow patterns, density changes, phase transitions, and heat ...
    • Avoiding Damage of CO2 Injection Wells Caused by Temperature Variations 

      Torsæter, Malin; Todorovic, Jelena; Lavrov, Alexandre; Gawel, Kamila; Lund, Halvor; Roy, Pratanu; Carroll, Susan (Journal article; Peer reviewed, 2017)
      Well integrity is a prerequisite for safe geological storage of CO2. Both active and abandoned wells are man-made channels between the storage reservoir and the atmosphere that can become leakage paths over time. The CO2 ...
    • CO2 pipeline integrity: A new evaluation methodology 

      Berstad, Torodd; Dørum, Cato; Jakobsen, Jana Poplsteinova; Kragset, Steinar; Li, Hailong; Lund, Halvor; Morin, Alexandre; Munkejord, Svend Tollak; Mølnvik, Mona Jacobsen; Nordhagen, Håkon Ottar; Østby, Erling (Peer reviewed; Journal article, 2011)
      A coupled fluid-structure model for pipeline integrity simulations has been developed. The pipe material and fracture propagation have been modelled using the finite-element method with a local fracture criterion. The ...
    • Coupled CO2-well-reservoir simulation using a partitioned approach: effect of reservoir properties on well dynamics 

      Munkejord, Svend Tollak; Hammer, Morten; Ervik, Åsmund; Odsæter, Lars Hov; Lund, Halvor (Peer reviewed; Journal article, 2020)
      We present a model framework for dynamic simulation of the flow of (Formula presented.) and other components in an injection well coupled with a near-well reservoir. With a partitioned approach, we employ numerical methods ...
    • Depressurization of carbon dioxide in pipelines- Models and methods 

      Lund, Halvor; Flåtten, Tore; Munkejord, Svend Tollak (Journal article; Peer reviewed, 2011)
      A model for two-phase carbon dioxide transport with phase transfer in pipelines is presented. The stiffened-gas equation of state is used for calculating thermodynamical properties. The convergence and accuracy of two ...
    • Dynamic Simulation of CO2 Injection Wells 

      Munkejord, Svend Tollak; Hammer, Morten; Ervik, Åsmund; Lund, Halvor; Skarsvåg, Hans Langva; Odsæter, Lars Hov (Journal article, 2019)
    • Potential of enhancing a natural convection loop with a thermomagnetically pumped ferrofluid 

      Aursand, Eskil; Gjennestad, Magnus Aashammer; Lervåg, Karl Yngve; Lund, Halvor (Journal article; Peer reviewed, 2016)
    • Study of Thermal Variations in Wells During Carbon Dioxide Injection 

      Lund, Halvor; Torsæter, Malin; Munkejord, Svend Tollak (Journal article; Peer reviewed, 2016)
      Carbon dioxide (CO2) can be injected into the subsurface for the purpose of enhanced oil recovery (EOR), possibly with geological CO2 storage. This procedure brings about a set of unique challenges with respect to well ...
    • Thermo-Fluid-Dynamical Modelling of Salt Precipitation During Co2 Injection in Saline Aquifers, and the Effect on Injectivity 

      Ervik, Åsmund; Lund, Halvor; Hammer, Morten; Aasen, Ailo; Matas, Berta Güell (Journal article, 2019)
    • Towards a thorough Validation of Simulation Tools for CO2 Pipeline Transport 

      Drescher, Michael; Fahmi, Adil; Aursand, Peder; Hammer, Morten; Lund, Halvor; Stang, Hans Georg Jacob; Austegard, Anders (Journal article; Peer reviewed, 2017)
      In this work the Schlumberger flow assurance tool OLGA and SINTEF Energy Research in-house CFD tool are assessed for their ability to describe depressurization behaviour of CO2 pipelines. For this purpose, three full-bore ...
    • Well integrity for CO2 injection from ships: Simulation of the effect of flow and material parameters on thermal stresses 

      Aursand, Peder; Hammer, Morten; Lavrov, Alexandre; Lund, Halvor; Munkejord, Svend Tollak; Torsæter, Malin (Journal article; Peer reviewed, 2017)
      Ships have been shown to be the most cost-effective way to transport CO2 from many sources in the Nordic region to offshore storage sites. Injection from ships introduces new challenges for the integrity of CO2 injection ...

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