Thor Bjørnstad

Bilde av Thor Bjørnstad
English version of this page
Telefon +47 22855483
Rom VU 63 / 65
Brukernavn
Besøksadresse Sem Sælands vei 24 Fysikkbygningen 0371 Oslo
Postadresse Postboks 1032 Blindern 0315 Oslo
Emneord: Emeriti, Kjemi, Kjernekjemi

Publikasjoner

  • Bjørnstad, Tor (2021). Modern Industry: Neutron Basic Interactions, Sources and Detectors for Materials Testing and Inspection. I Greenspan, Ehud (Red.), Encyclopedia of Nuclear Energy. Elsevier. ISSN 9780128197257. s. 372–391. doi: 10.1016/B978-0-12-819725-7.00087-8.
  • Bjørnstad, Tor (2021). Modern Industry: Application of Neutrons for Materials Testing and Inspection. I Greenspan, Ehud (Red.), Encyclopedia of Nuclear Energy. Elsevier. ISSN 9780128197257. s. 392–420. doi: 10.1016/B978-0-12-819725-7.00088-X.
  • Bjørnstad, Tor (2021). Modern Industry: Gamma Methods for Materials Testing and Inspection. I Greenspan, Ehud (Red.), Encyclopedia of Nuclear Energy. Elsevier. ISSN 9780128197257. s. 345–371. doi: 10.1016/B978-0-12-819725-7.00142-2.
  • Silva, Mario ; Stray, Helge; Ould Metidji, Mahmoud & Bjørnstad, Tor (2021). Variation of the partition coefficient of phase-partitioning compounds between hydrocarbon and aqueous phases: an experimental study. Fuel. ISSN 0016-2361. 300. doi: 10.1016/j.fuel.2021.120915. Fulltekst i vitenarkiv
  • Panneer Selvam, Arun Kumar; Ould Metidji, Mahmoud; Silva, Mario ; Krivokapic, Alexander & Bjørnstad, Thor (2020). Thermo-Sensitive Nanogels for Targeted Tracer Release in Push and Pull Operations. I Behm, Edward (Red.), SPE Improved Oil Recovery Conference 2020. Society of Petroleum Engineers. ISSN 978-1-61399-705-5. doi: https%3A/doi.org/10.2118/200446-MS.
  • Arun, Panneer Selvam; Ould Metidji, Mahmoud; Silva, Mario ; Krivokapic, Alexander & Bjørnstad, Tor (2020). Thermo-Sensitive Nanogels for Targeted Tracer Release in Push and Pull Operations. I Behm, Edward (Red.), SPE Improved Oil Recovery Conference 2020. Society of Petroleum Engineers. ISSN 978-1-61399-705-5. doi: 10.2118/200446-MS.
  • Silva, Mario & Bjørnstad, Tor (2020). Determination of phase-partitioning tracer candidates in production waters from oilfields based on solid-phase microextraction followed by gas chromatography-tandem mass spectrometry. Journal of Chromatography A. ISSN 0021-9673. 1629. doi: 10.1016/j.chroma.2020.461508. Fulltekst i vitenarkiv
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2019). Stability assessment of PITT tracer candidate compounds – The case of pyrazines. Journal of Petroleum Science and Engineering. ISSN 0920-4105. 182. doi: 10.1016/j.petrol.2019.106269.
  • Silva, Mario ; Ould Metidji, Mahmoud; Stray, Helge & Bjørnstad, Tor (2019). Alkylpyrazines - from the “Dinner Table” to the Oilfield: A New Class of Partitioning Tracers, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISSN 978-94-6282-278-8. doi: 10.3997/2214-4609.201900063.
  • Ould Metidji, Mahmoud; Silva, Mario ; Krivokapic, Alexander & Bjørnstad, Tor (2019). Synthesis and Characterization of a Reactive Fluorescent Tracer and its Possible Use for Reservoir Temperature's Data Collection, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISSN 978-94-6282-278-8. doi: 10.3997/2214-4609.201900062.
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2018). Stability assessment of PITT tracer candidate compounds: the case of benzyl alcohols. Journal of Petroleum Science and Engineering. ISSN 0920-4105. 167, s. 517–523. doi: 10.1016/j.petrol.2018.04.027. Fulltekst i vitenarkiv
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2017). Studies on New Chemical Tracers for Determination of Residual Oil Saturation in the Inter-Well Region. I X, X (Red.), SPE Oklahoma City Oil and Gas Symposium. 27–31 March 2017, Oklahoma City, Oklahoma, USA. Society of Petroleum Engineers. ISSN 978-1-61399-514-3. doi: 10.2118/185085-MS.
  • Ould Metidji, Mahmoud; Brichart, Thomas; Bjørnstad, Tor & Ferrando-Climent, Laura (2017). New fluorescent tracers for SWCTT. I Ukjent, Ukjent (Red.), 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE). ISSN 978-94-6282-209-2.
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2017). New Potential Tracer Compounds for Inter-well SOR Determination - Stability at Reservoir Conditions. I Ukjent, Ukjent (Red.), 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE). ISSN 978-94-6282-209-2. doi: 10.3997/2214-4609.201700351.
  • Haukås, Jarle; Madland, Merete Vadla; Flornes, Kristin Margrethe; Hiorth, Aksel; Valestrand, Randi & Viig, Sissel Opsahl [Vis alle 14 forfattere av denne artikkelen] (2017). Integration of IOR Research Projects through Generic Case Studies. I Ukjent, Ukjent (Red.), 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE). ISSN 978-94-6282-209-2. doi: 10.3997/2214-4609.201700260.
  • Wangen, Magnus; Sagen, Jan; Bjørnstad, Tor; Johansen, Harald & Souche, Alban Jean-Rene (2016). Models for Calcium Carbonate Precipitation in the Near-Well Zone by Degassing of CO2. Open Petroleum Engineering Journal. ISSN 1874-8341. 9, s. 178–194. doi: 10.2174/1874834101609160178. Fulltekst i vitenarkiv
  • Stavsetra, Liv; Fure, Kristin; Haugan, Are & Bjørnstad, Tor (2013). Development of an oil tracer labelled with Ba-137m. The European Physical Journal Conferences. ISSN 2101-6275. 50:05002. doi: 10.1051/epjconf/20135005002.
  • Stamatakis, Emmanuel; Stubos, A; Bjørnstad, Tor & Muller, Jiri (2013). Calcite scale prediction at the near-well region: A radiotracer approach. I Haugan, Are (Red.), TRACER 6 - The 6th International Conference on Tracers and Tracing Methods. Oslo, Norway, June 6-8, 2011. EDP Sciences. ISSN 978-2-7598-1005-5. s. 03004-p.1–04004-p.6. doi: 10.1051/epjconf/20135003004.
  • Samadani, Fereshteh; Alstad, Jorolf; Bjørnstad, Tor; Stavsetra, Liv & Omtvedt, Jon Petter (2010). Development of a SISAK extraction system for chemical studies of element 108, hassium. Radiochimica Acta. ISSN 0033-8230. 98(12), s. 757–764. doi: 10.1524/ract.2010.1787.
  • Eriksen, Dag Øystein; Haugen, Odd Benny & Bjørnstad, Tor (2009). Enhanced oil recovery methods studied by gamma tracer scanning at simulated reservoir conditions. Journal of Radioanalytical and Nuclear Chemistry. ISSN 0236-5731. 280(2), s. 287–292. doi: 10.1007/s10967-009-0513-9.

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  • Bjørnstad, Tor; Borroto Portela, J. I.; Brisset, P.; Chankow, N.; Charlton, J.S. & Conejo Solis, M.A. [Vis alle 18 forfattere av denne artikkelen] (2013). Radiotracer Generators for Industrial Applications. International Atomic Energy Agency. ISBN 978-92-0-135410-5. 2013(5). 203 s.
  • Abidin, Z.; Berne, P.; Bjørnstad, Tor; Jin, J.-H.; Khan, I.H. & Leclerc, J.-P. [Vis alle 13 forfattere av denne artikkelen] (2012). Application of Radiotracer Techniques for Interwell Studies. International Atomic Energy Agency, IAEA. ISBN 978-92-0-125610-2. 231 s.

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  • Panneer Selvam, Arun Kumar; Ould Metidji, Mahmoud; Krivokapic, Alexander; Silva, Mario & Bjørnstad, Thor (2021). Multi-responsive Nanocarriers – A Contemporary Approach for Single Well Chemical Tracer Tests.
  • Panneer Selvam, Arun Kumar; Ould Metidji, Mahmoud; Silva, Mario ; Krivokapic, Alexander & Bjørnstad, Thor (2020). Thermo-Sensitive Nanogels for Targeted Tracer Release in Push and Pull Operations.
  • Panneer Selvam, Arun Kumar; Ould Metidji, Mahmoud; Silva, Mario ; Viig, Sissel Opsahl; Madland, Merete Vadla & Bjørnstad, Tor (2019). Nanoparticle tracers for petroleum reservoir studies .
  • Silva, Mario ; Ould Metidji, Mahmoud; Stray, Helge & Bjørnstad, Tor (2019). Alkylpyrazines - from the “Dinner Table” to the Oilfield: A New Class of Partitioning Tracers.
  • Ould Metidji, Mahmoud; Silva, Mario ; Krivokapic, Alexander & Bjørnstad, Tor (2019). Synthesis and Characterization of a Reactive Fluorescent Tracer and its Possible Use for Reservoir Temperature's Data Collection.
  • Selvam, Arun; Ould Metidji, Mahmoud; Viig, Sissel Opsahl & Bjørnstad, Tor (2019). Nanoparticle tracers for petroleum reservoir studies.
  • Ould Metidji, Mahmoud; Krivokapic, Alexander; Silva, Mario ; Bjørnstad, Tor; Selvam, Arun & Cathles, Lawrence (2019). Contribution to the study on nanoparticles as oil-reservoir tracers.
  • Vinningland, Jan Ludvig; Valestrand, Randi; Hiorth, Aksel; Bjørnstad, Tor; Klöfkorn, Robert & Viig, Sissel Opsahl [Vis alle 12 forfattere av denne artikkelen] (2018). The National IOR Centre of Norway.
  • Bjørnstad, Tor; Ould Metidji, Mahmoud; Krivokapic, Alexander & Viig, Sissel Opsahl (2018). Nanoparticles as oil detectives?
  • Silva, Mario & Bjørnstad, Tor (2018). Non-Conservative Tracers for Temperature Assessment in the Interwell Region of Oil Reservoirs.
  • OULD-METIDJI, Mahmoud; Lopes Da Silva, M.H.; Ferrando-Climent, L.; Krivokapic, A. & Bjørnstad, Tor (2018). Future Prospect For Reservoir Tracer Technology: Benefits, Obstacles and Development.
  • Ould Metidji, Mahmoud; Krivokapic, Alexander; Silva, Mario ; Cathles, Lawrence & Bjørnstad, Tor (2018). Nanotracers intended for EOR-operations.
  • Bjørnstad, Tor (2018). On-line analyses of mass transport using neutrons.
  • Ould Metidji, Mahmoud; Kelesoglu, Serkan; Silva, Mario & Bjørnstad, Tor (2017). Laboratory assessment of nanotracers for oil reservoir characterization.
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2017). New Chemical Tracers for Determination of Residual Oil Saturation in the Inter-Well Region - Initial Studies.
  • Silva, Mario ; Stray, Helge & Bjørnstad, Tor (2017). PITT Tracer Candidates: Stability at Reservoir Conditions.
  • Bjørnstad, Tor (2017). Nuclear-Based Monitoring of Industrial Mass Flow I: The potential use of Small Transportable Neutron Generators.
  • Bjørnstad, Tor (2017). Keynote Lecture: Recent development in nuclear methods for process monitoring.
  • Bjørnstad, Tor; Stavsetra, Liv; Krivokapic, Alexander; Eriksen, Dag Øistein & Vascon, Alessio (2017). Hydrometallurgy in mineral mining and urban mining.
  • Bjørnstad, Tor (2017). Can functionalized nanoparticles be used as reservoir tracers?
  • Bjørnstad, Tor (2016). Tracer-based reservoir evaluation and SOR determination.
  • Bjørnstad, Tor; Stavsetra, Liv; Fure, Kristin; Opel, Karsten; Haugan, Are & Krivokapic, Alexander (2016). Radiotracer-based monitoring of liquid carry-over from gas scrubbers.
  • Bjørnstad, Tor (2016). Reactor-produced radionuclides for tracing operations in industry and civil engineering.
  • Bjørnstad, Tor; Silva, Mario ; Brichart, Thomas; Krivokapic, Alexander & Viig, Sissel Opsahl (2016). Development of new tracers for SOR measurements in IW and SW application - Some recent results and future plans .
  • Bjørnstad, Tor (2016). The possible role of nanoparticle tracers in measurements of residual oil saturation in the near-well area.
  • Silva, Mario & Bjørnstad, Tor (2016). Solid-Phase Microextraction as Sample Preparation Technique in Tracer Technology .
  • Bjørnstad, Tor (2015). Mineral exploitation and hydrometallurgical methods.
  • Rollwagen, Joe & Bjørnstad, Tor (2015). Mapping it out: Tracer technology and the search for oil. [Fagblad]. IAEA Bulletin, September 2015.
  • Bjørnstad, Tor (2015). Radiotracers Applications in Oil Fields: Enhancing the Recovery of Oil.
  • Bjørnstad, Tor (2014). The use of transportable neutron sources for industrial monitoring.
  • Bjørnstad, Tor (2014). Neutron generators in industry and civil society.
  • Bjørnstad, Tor; Haugan, Are; Stavsetra, Liv & Fure, Kristin (2014). Multiphase flow in separators and scrubers: Condition monitoring.
  • Bjørnstad, Tor (2014). A flavour of nano-particles as tracer agents for IOR.
  • Bjørnstad, Tor (2014). Brief about tracer technology and the National Norwegian IOR-Centre.
  • Bjørnstad, Tor (2014). Aspects of how tracer compounds can contribute to optimize EOR/IOR processes.
  • Madland, Merete Vadla; Hiorth, Aksel & Bjørnstad, Tor (2014). Presenting the 2 R&D Themes for The National IOR Centre of Norway.
  • Bjørnstad, Tor (2014). The Role of Tracers in Optimization of EOR/IOR Operations.
  • Bjørnstad, Tor; Haugan, Are; Stavsetra, Liv & Fure, Kristin (2014). Radiotracer generators for application in process industries.
  • Bjørnstad, Tor (2013). Application of neutron generators in industry.
  • Bjørnstad, Tor (2013). Beyond Traditional Flow Assurance.
  • Bjørnstad, Tor (2013). The Role of Tracer Technology in Future Reservoir Management.
  • Bjørnstad, Tor (2013). Brief about Petroleum Activities at IFE.
  • Bjørnstad, Tor; Eriksen, Dag Øystein & Omtvedt, Jon Petter (2013). Radiochemistry and hydrometallurgy - two synergetic fields.
  • Bjørnstad, Tor (2012). Possible development of nuclear technology for industrial monitoring applications.
  • Bjørnstad, Tor (2012). Tracer Technology for Interwell Reservoir Examination - Achievements and Future Challenges.
  • Bjørnstad, Tor (2012). Monitoring Multiphase Flow in Separators and Scrubbers - Combined Radiotracer and Sealed Source Technique.
  • Bjørnstad, Tor (2012). Application of gamma-ray detection equipment in the petroleum industry.
  • Bjørnstad, Tor (2012). Radioaktivitet i vår hverdag - delvis til ulempe men også til nytte og forbedret helse.
  • Bjørnstad, Tor (2011). Oljedetektivene - de syngende molekyler.
  • Fure, K.; Stavsetra, L. & Bjørnstad, Tor (2011). Experimental Studies on Generation of Short-Lived Radiotracers of Daughter Products from the Nuclear Genetic Relationships 68Ge - 68Ga and 137Cs - 137mBa, -a Progress Report.
  • Bjørnstad, Tor; Dugstad, Ø.; Hartvig, S.K. & Haugan, A. (2011). SAGD-Related Oil Recovery: Fluid Tracing Challenges.
  • Bjørnstad, Tor (2011). Extraction of Th from Norwegian Mineral Resources.
  • Bjørnstad, Tor (2011). Flow Assurance Challenges in Geothermal Energy Production - Mineral Scaling.
  • Bjørnstad, Tor (2010). In the climate perspective - what is the role of nuclear power?
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Dullmann, C.E.; Gregorich, K.E. & Gupta, N.S. [Vis alle 11 forfattere av denne artikkelen] (2010). Superheavy Element Chemistry with SISAK.
  • Bjørnstad, Tor (2010). Doses, dose effects and safe operations.
  • Bjørnstad, Tor (2010). Tracer field operations.
  • Bjørnstad, Tor (2010). Development of tracer technology for EOR and production optimization.
  • Bjørnstad, Tor (2010). Reservoir management and enhanced oil recovery – the role of tracers.
  • Bjørnstad, Tor (2010). Radioactivity and nuclear characteristics – a primary.
  • Bjørnstad, Tor (2010). Oil generation, reservoir assessment and petroleum production – a primary.
  • Bjørnstad, Tor (2010). Mechanisms of mineral scaling in geothermal wells studied by nuclear techniques.
  • Bjørnstad, Tor (2010). Tracer technology for geothermal reservoir examination.
  • Bjørnstad, Tor; Fure, Kristin & Stavsetra, Liv (2009). Development of industrial radiotracer generators at IFE - chemical, toxic and radiotoxic considerations.
  • Bjørnstad, Tor (2009). Mercury in petroleum – technical and HSE challenges.
  • Bjørnstad, Tor (2009). The use of radioisotope technology on well operation, oil transportation and process studies of petroleum reservoirs.
  • Eriksen, Dag Øystein; Haugan, Are; Bjørnstad, Tor; Halvorsen, S.G; Torgersen, H.J.T. & Haugen, Odd Benny [Vis alle 7 forfattere av denne artikkelen] (2009). A two-dimensional gamma scanner for performing flooding experiments at oil reservoir conditions. INCS News. VI(4), s. 7–13.
  • Hassfjell, Sindre; Haugan, Are & Bjørnstad, Tor (2009). 47Ca-aided studies of CaCO3 scaling rates at low saturation ratios.
  • Bjørnstad, Tor; Thomassen, Dag; Nyborg, Rolf & Seiersten, Marion (2008). Some flow assurance issues connected to mineral scaling, hydrates, complex fluids and the use of tracers.
  • Bjørnstad, Tor (2008). Tracers and reservoir architecture.
  • Bjørnstad, Tor (2008). Application of tracers in oil reservoir examinations.
  • Bjørnstad, Tor (2008). Impairment of flow in near-well zones by mineral scaling.
  • Bjørnstad, Tor; Brisset, Patrick; Gardner, Robin Pierce; Kuznetsov, Aleksandr & Moreira, Rubens Martin (2016). Neutron Generators for Tracing Applications. International Atomic Energy Agency, IAEA.
  • Bjørnstad, Tor; Jin, Joon-Ha; Calvo, Wilson Aparecido; Boutaine, Jean-Louis; Charlton, Stuart & Leclerc, Jean-Pierre [Vis alle 8 forfattere av denne artikkelen] (2014). Report on the Consultant Meeting on "The Current Status and Future Trends on Radioisotope Applications in Industry". International Atomic Energy Agency.
  • Abdullah, Jaafar; Alami, Rachad; Abdelwahed, Haifa Ben; Bjørnstad, Tor; Calvo, Carlos Sebastian & Dagadu, Christian Priesley Kofi [Vis alle 17 forfattere av denne artikkelen] (2014). Radiometric methods for measuring and modelling multiphase systems - progress report No.2. International Atomic Energy Agency (IAEA).
  • Berg, Øivind; Bjørnstad, Tor; Dahlgren, Sven; Nøvik, Sven; Rondeel, Wilhelm & Totland, Arne (2012). Thorium - en framtidsressurs i Oslofjordregionen? Regiongeologen Buskerud, Telemark og Vestfold fylkeskommuner.
  • Samadani, Fereshteh; Omtvedt, Jon Petter & Bjørnstad, Tor (2010). Liquid Chemistry of Hassium Tetroxide using Osmium in Model Experiments with SISAK. Universitetet i Oslo.
  • Bjørnstad, Tor; Borroto, J.I.P.; Brisset, P.; Chakravarty, R.; Chankow, N. & Charlton, J.S. [Vis alle 15 forfattere av denne artikkelen] (2009). Evaluation and validation of radioisotope generator-based radiotracers for industrial applications - 2nd progress report. International Atomic Energy Agency (IAEA).

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Publisert 12. juli 2010 14:42 - Sist endret 3. juni 2022 15:05