Et profilbilde

Professor
Per Amund Amundsen { "honorific-suffix": "Professor", "fn": "Per Amund Amundsen", "tel": "Telefon: 51831877", "email": "per.a.amundsen@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for matematikk og naturvitenskap
Rom KE E-523

Forskningsområder

Utvalgte publikasjoner

Pågående forskning

Arbeidserfaring

Vitenskapelige publikasjoner (fra CRISTin)

  • Shogin, Dmitry; Amundsen, Per Amund; Hiorth, Aksel; Madland, Merete Vadla (2017). Modelling the rheology of two-phase polymer flow. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers. ISBN 978-94-6282-209-2.
  • Shogin, Dmitry; Amundsen, Per Amund; Hiorth, Aksel; Madland, Merete Vadla (2017). Physical modelling of rheological properties of polymer solutions for enhanced oil recovery. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers. ISBN 978-94-6282-209-2.
  • Pattarini, Giorgio; Rawlins, Sheldon; Saasen, Arild; Amundsen, Per Amund; Poedjono, Benny (2016). Direction Drilling Measurement Errors Caused by Drilling Fluid Constituents. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology. ASME Press. ISBN 978-0-7918-4999-6.
  • Saasen, Arild; Ding, Songxiong; Amundsen, Per Amund; Tellefsen, Kristoffer (2016). DUBLETT - The shielding effect of drilling fluids on MWD downhole compasses - the effect of drilling fluid composition, contaminants and rheology. Journal of energy resources technology. ISSN 0195-0738. Volum 138. Hefte 5. DOI: 10.1115/1.4033304.
  • Shogin, Dmitry; Amundsen, Per Amund (2016). Local equilibrium solutions in simple anisotropic cosmological models, as described by relativistic fluid dynamics. Classical and quantum gravity. ISSN 0264-9381. Volum 33. Hefte 20. DOI: 10.1088/0264-9381/33/20/205009.
  • Shogin, Dmitry; Amundsen, Per Amund; Hervik, Sigbjørn (2015). On the viability of the truncated Israel–Stewart theory in cosmology. Classical and quantum gravity. ISSN 0264-9381. Volum 32. Hefte 19. s. 1-14. DOI: 10.1088/0264-9381/32/19/195012.
  • Saasen, Arild; Ding, Songxiong; Amundsen, Per Amund; Tellefsen, Kristoffer (2014). The shielding effect of drilling fluids on MWD downhole compasses - the effect of drilling fluid composition, contaminants and rheology. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014. ASME Press. ISBN 978-0-7918-4545-5.
  • Omland, Tor Henry; Hodne, Helge; Saasen, Arild; Mjølhus, Stian; Amundsen, Per Amund (2013). Drilling Fluid Weight Material Sedimentation—Sedimentation of Suspensions. Petroleum science and technology. ISSN 1091-6466. Volum 31. Hefte 18. s. 1908-1915. DOI: 10.1080/10916466.2010.489085.
  • Tellefsen, Kristoffer; Ding, Songxiong; Saasen, Arild; Amundsen, Per Amund; Fjogstad, Arild; Torkildsen, Torgeir (2012). The Effect of Drilling Fluid Content on Magnetic Shielding of Downhole Compasses in MWDs. I: Deepwater Drilling and Completions Conference. Society of Petroleum Engineers. ISBN 978-1-61399-208-1.
  • Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild (2012). The Design of BHA and the Placement of Magnetometer Sensors Influence How Magnetic Azimuth Is Distorted by the Magnetic Properties of Drilling Fluids. SPE Drilling & Completion. ISSN 1064-6671. Volum 27. Hefte 3. s. 392-405.
  • Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild (2012). The Design of BHA and the Placement of Magnetometer Sensors Influence How Magnetic Azimuth Is Distorted by the Magnetic Properties of Drilling Fluids. SPE Drilling & Completion. ISSN 1064-6671.
  • Amundsen, Per Amund; Ding, Songxiong; Datta, Biplab K.; Torkildsen, Torgeir; Saasen, Arild (2010). Magnetic Shielding During MWD Azimuth Measurements and Wellbore Positioning. SPE Drilling & Completion. ISSN 1064-6671. Volum 25. Hefte 2. s. 219-222. DOI: 10.2118/113206-PA.
  • Omland, Tor H.; Hodne, Helge; Saasen, Arild; Mjølhus, Stian; Amundsen, Per Amund (2010). Rig-site equipment determines drilling fluid weight material sag. Oil & gas journal. ISSN 0030-1388. Volum 108. Hefte 1. s. 39-45.
  • Ding, Songxiong; Datta, Biplab K.; Saasen, Arild; Amundsen, Per Amund (2010). Experimental Investigation of the Magnetic Shielding Effect of Mineral Powders in a Drilling Fluid. Particulate Science and Technology. ISSN 0272-6351. Volum 28. Hefte 1. s. 86-94. DOI: 10.1080/02726350903500781.
  • Osnes, Svein Magne; Amundsen, Per Amund; Weltzin, Tore; Nyrnes, Erik; Hundstad, Brita Lucie; Grindhaug, G. (2009). MWD vibration measurements : a time for standardisation. I: SPE/IADC Drilling Conference and Exhibition : proceedings : 17-19 March 2009, RAI Congress Centre, Amsterdam, The Netherlands. Society of Petroleum Engineers. ISBN 978-1-55563-213-7.
  • Amundsen, Per Amund; Ding, Songxiong; Datta, Biplab K.; Torkildsen, Torgeir; Saasen, Arild (2008). Magnetic Shielding during MWD Azimuth Measurements and Wellbore Positioning. I: http://www.spe.org/. Society of Petroleum Engineers.
  • Omland, Tor H.; Dahl, Bjørn; Saasen, Arild; Taugbøl, Knut; Amundsen, Per Amund (2008). Optimized Solids Control Provides Opportunities for Drilling Depleted Reservoirs. Journal of Petroleum Technology. ISSN 0149-2136. Volum 60. Hefte 11. s. 84-86.
  • Omland, Tor H.; Jørgensen, T.; Saasen, Arild; Taugbøl, Knut; Dahl, Bjørn; Reinholdt, F.; Scholz, N.; Ekrene, S.; Villard, E.; Amundsen, Per Amund; Amundsen, H.E.F.; Fries, M.; Steele, A. (2007). Improved Drilling Process Control Through Continuous Particle and Cuttings Monitoring. I: SPE 107547. Society of Petroleum Engineers.
  • Omland, Tor H.; Saasen, Arild; Amundsen, Per Amund (2007). Detection Techniques Determining Weighting Material ag in Drilling Fluids and Relationship to Rheology. Annual Transactions - The Nordic Rheology Society. ISSN 1601-4057. Volum 15. s. 277-85.
  • Amundsen, Per Amund; Torkildsen, Torgeir; Saasen, Arild (2006). Shielding of directional magnetic sensor readings in a Measurement While Drilling tool for oil well positioning. Journal of energy resources technology. ISSN 0195-0738. s. 343-5.
  • Omland, Tor H.; Albertsen, Tron; Taugbøl, Knut; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund (2006). The Effect of the synthetic and Oil based Drilling Fluid's Internal Water Phase Composition on Barite Sag. SPE Drilling & Completion. ISSN 1064-6671. Volum 21. s. 91-6.
  • Omland, Tor H.; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund (2005). The influence of particle type and size distribution on viscosity i a non-newtonian drilling fluid. Annual Transactions - The Nordic Rheology Society. ISSN 1601-4057. Volum 14.
  • Tolich, N. R.; Barker, Paul; Harty, P. D.; Amundsen, Per Amund (2003). Energy of the 14O Superallowed Positron Decay. Phys. ?. Volum 67.
  • Barker, Paul; Keeling, M. J.; Wood, W. B; Amundsen, Per Amund (2002). Determination of the energy of the 1.75MeV resonance in the 13C(p,g)14N reaction in terms of a 1-volt standard. Metrologia. ISSN 0026-1394. Volum 39. s. 371-9.
  • Anagnostopoulos, D. F.; Borchert, G.; Gotta, D.; Rashid, K.; Jakubassa-Amundsen, D. H.; Amundsen, P.A. (1998). High resolution study of ion induced K_alpha_{1,2} X-ray spectra from high-Z elements. ?. Volum 58. s. 2797-2814.
  • Barker, Paul H.; Amundsen, Per A. (1998). Revised Q-values for the superallowed positron decay of 10C and 14@SO. Physical Review C. Nuclear Physics. ISSN 0556-2813. Volum 58. s. 2571-2573.
  • Harty, P. D.; Bowden, N. S.; Barker, Paul H.; Amundsen, Per A. (1998). Energy of the superallowed beta decay of 38Km. Physical Review C. Nuclear Physics. ISSN 0556-2813. Volum 58. s. 821-825.
  • Amundsen, P.A.; Barker, P.H. (1994). Atomic energy loss correction for (p,n) og (p,gamma) nuclear reaction energies. Phys.Rev.. Volum C60.
  • Amundsen, Per Amund; Torkildsen, Torgeir; Saasen, Arild; Omland, Tor H. (2005). Shielding of directional magnetic sensor readings in a Measurement While Drilling tool for oil well positioning. Universitetet of Stavanger. ISBN 8276442668. 19 s.
  • Saasen, Arild; Van der Zwaag, Claas; Omland, Tor Henry; Amundsen, Per Amund (2010). Determining physiochemical properties of drilling fluid outside of the borehole using nuclear magnetic resonance.
  • Saasen, Arild; Eide, Hallvar; Godøy, Rune; Amundsen, Per Amund (2007). Setting cement using electromagnetic or magnetic fields.
  • Shogin, Dmitry; Amundsen, Per Amund; Hiorth, Aksel; Madland, Merete Vadla (2017). Modelling the rheology of two-phase polymer flow. 2017-04-24 - 2017-04-27.
  • Shogin, Dmitry; Amundsen, Per Amund; Hiorth, Aksel; Madland, Merete Vadla (2017). Rheology of polymeric flows in circular pipes, slits and capillary bundles: analytical solutions from kinetic theory. EAGE; 2017-04-24 - 2017-04-27.
  • Amundsen, Per Amund (2016). Galaksenes bevegelse. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund (2016). Galakser og Galaksehoper. Litt om våre nærmeste naboer.. Skolelaben, UiS;
  • Amundsen, Per Amund (2016). Merkurpassasjen 9. Mai 2016 Hvorfor er en prikk på Solen spennende?. Vitenfabrikken, Sandnes;
  • Amundsen, Per Amund (2016). Planeter, stjerner og galakser. Forskerlinjen, St. Olav VGS;
  • Amundsen, Per Amund (2016). Planeter, stjerner og galakser,. Forskerlinjen, St. Olav VGS;
  • Amundsen, Per Amund (2016). Supernovaer. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund (2014). Bruk av planetarium i undervisningen. Planetarievisning.. IMN/UiS;
  • Amundsen, Per Amund (2014). Den kopernikanske revolusjonen. IMN/UiS;
  • Amundsen, Per Amund (2014). Hva er det å se på himmelen?. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund (2014). Hvor langt er det til stjernene?. UiS;
  • Amundsen, Per Amund (2014). Planetarieforedrag og visning, Solsystemet og Universet. St. Olav videregående skole/UiS;
  • Amundsen, Per Amund (2014). Stjernenes liv og død. UiS;
  • Amundsen, Per Amund (2014). Stjerner som ikke finnes - ennå?. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund (2014). Vårt nærmeste nabolag. Stavanger Astronomiske Forening;
  • Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild (2012). The Design of BHA and the Placement of the Magnetometer Sensors Influence How Magnetic Azimuth is Distorted by the Magnetic Properties of Drilling Fluids. SPE/IADC; 2012-03-06 - 2012-03-08.
  • Amundsen, Per Amund (2011). Hva er det å se på himmelen. Preikestolen fjellstue / Stavanger astronomiske forening; 2011-10-19 - 2011-10-20.
  • Amundsen, Per Amund (2011). Hvordan finne frem på himmelen. Preikestolen fjellstue / Stavanger astronomiske forening; 2011-10-29 - 2011-10-30.
  • Amundsen, Per Amund (2011). Mørk materie - fysikk eller metafysikk. Institutt for matematikk og naturvitenskap;
  • Amundsen, Per Amund (2011). Planetarieforedrag, Researchers´ Night. Jærmuseet, avd. Vitenfabrikken i Sandnes;
  • Amundsen, Per Amund (2011). Stjernecruise - planetarieforedrag. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund (2011). Stjernenes vakre død. Stavanger Astronomiske Forening;
  • Amundsen, Per Amund; Handeland, Siri (2011). UTE: Planetstien i Sandnes. TVVest. [TV]; 2011-06-15.
  • Amundsen, Per Amund (2010). Astronomiens julestjerner - Vinterens stjernehimmel. Vitenfabrikken, Jærmuseet, Sandnes; 2010-11-27.
  • Amundsen, Per Amund (2010). Galakser. Stavanger astronomiske forening; 2010-04-21.
  • Amundsen, Per Amund (2010). Galakser. Haugaland astronomiske forening; 2010-05-04.
  • Amundsen, Per Amund (2010). Hvor langt er det til stjernene?. Institutt for matematikk og Naturvitenskap, Universitetet i Stavanger; 2010-03-12.
  • Amundsen, Per Amund (2010). Stjernebildenes forhistorie. Stavanger astronomiske forening; 2010-10-20.
  • Ding, Songxiong; Hafenbrädl, F.O. von; Saasen, Arild; Amundsen, Per Amund (2008). Preliminary Investigation into Magnetite Powder¿s Magnetic Shielding Effect on Drilling Fluid. 2008-06-10 - 2008-06-12.
  • Ding, Songxiong; Datta, Biplab K.; Saasen, Arild; Amundsen, Per Amund (2008). Experimental investigation into shielding effect of magnetic powders in drilling fluids. 2008-11-11 - 2008-11-16.
  • Ratnayake, Chandana; Datta, Biplab K.; Amundsen, Per Amund; Saasen, Arild; Waag, Tor Inge (2007). Control and Prediction of Pipeline Erosion of Pneumatic Conveying Plants. 2007-11-09 - 2007-11-11.
  • Amundsen, Per Amund (2006). Hvor er de andre i universet?. Stavanger astronomiske forening; 2006-02-15.
  • Amundsen, Per Amund (2006). Hvorfor tror vi på Big Bang?. Vitenskapsakademiet i Stavanger; 2006-06-15.
  • Amundsen, Per Amund (2006). Hvorfor tror vi på Big Bang?. Stavanger Astronomiske forening; 2006-08-30.
  • Amundsen, Per Amund (2006). On the measurement of magnetic properties of powders and slurries. 2006-10-02.
  • Omland, Tor H.; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund (2005). The influence of particle type and size distribution on viscosity i a non-newtonian drilling fluid. 2005-06-01 - 2005-06-03.
  • Amundsen, Per Amund (2005). Magnetic shielding effects from a drilling fluid and its influence on directional drilling. 2005-06-23 - 2005-06-24.
  • Omland, Tor H.; Øvsthus, Jorunn; Svanes, Kåre; Saasen, Arild; Jacob, Hans-Joachim; Sveen, Terje; Hodne, Helge; Amundsen, Per Amund (2004). Weighting Material Sag. 2004-08-06.
  • Torkildsen, Torgeir; Edvardsen, Inge; Fjogstad, Arild; Saasen, Arild; Amundsen, Per Amund; Omland, Tor H. (2004). Drilling Fluid Affects MWD Magnetic Azimuth and Wellbore Position. 2004-03-02.
  • Amundsen, Per Amund (2011). Planetstien i Sandvedparken, Sandnes. Sandnes kommune, Park og idrettsavdelingen. Sandnes.