Presentations on international conferences by Tor Hemmingsen

 

  1. T. Hemmingsen: Analyses of ethoxylated nonylphenols on HPLC. Presented at the Analytical Symposium in Sandefjord 1987.
  2. T. Hemmingsen: Methods to measure wettability. Presented at Saga in Oslo 1987.
  3. T. Hemmingsen and T. Våland: An Investigation of the Effects of HSO3-/SO32- on Steel under Anaerobic Conditions. Presented at the 11th Scandinavian Corrosion Congress, Stavanger 1989.
  4. T. Hemmingsen: Analysis of sulphur compounds on platinum electrodes. Presented in Copenhagen 1991.
  5. T. Hemmingsen: The effect of polar compounds on wettability on rock materials. Presented at Stavanger College in Stavanger 1991.
  6. T. Hemmingsen. The Effect of Sulphite on Pitting and Crevice Corrosion on Various Steels in 0. 5 M Sodium Chloride. Presented at the 4th International Symposing for Electrochemical Methods in Corrosion Research Helsinki 1991.
  7. T. Hemmingsen: Chemicals needed for oil production in the North Sea. Presented in Norwegian Chemical Society Meeting in Tromsø 1992.
  8. T. Hemmingsen: Research on oil production chemicals on Rogaland Research. Presented at Norwegian Corrosion Technical Society in Stavanger 1993.
  9. T. Hemmingsen: The Effect of Sulphite on Pitting and Crevice Corrosion on AISI 304 Stainless Steel. Presented at 4th International Oil Field Chemical Symposium 1993.
  10. T. Hemmingsen: Equipment needs for reinjection of produced water. Presented for Geomatic in Stavanger 1995.
  11. T. Hemmingsen: Treatment of reinjected water. Presented at Enterprice Oil in Stavanger 1995.
  12. T. Hemmingsen: Chemical research at Stavanger College. Presented at Norwegian Chemical Society Meeting in Stavanger 1996.
  13. T. Hemmingsen: Studies of sulphide film formation on steel. Presented at the 47th annual meeting in Hungary 1996.
  14. T. Hemmingsen and C. Haarseth: Studies of Carbonates Film Formation on Carbon Steel by Use of AC-Impedance. Presented at the 6th International Symposium on Electrochemical Methods in Corrosion Research in Trento, Italy 1997.
  15. T. Hemmingsen, D. Hinnaland and A. Saasen: The co-effect of asphaltene on wax precipitation and crystallisation temperature. Presented at the 9th International Oil Field Chemical Symposium (1998).
  16. T. Hemmingsen: An evaluation of 13%Cr-steel for use in the oil wells. Presented at the 9th International Oil Field Chemical Symposium (1998).
  17. N.O.Ågotnes, T. Hemmingsen, C. Haarseth and I. Midttveit: Comparison of corrosion measurements by use of AC-impedance, LPR and Polarisation methods on carbon steel in CO2 purged NaCL solutions. Paper 99027 presented in San Antonio, Texas on NACE Corrosion 1999.
  18. T. Hemmingsen, N.O.Ågotnes, T.Krøger-Silseth, N. Kolak and M. Kaik: Effect of sulphite ions in N2 and CO2 purged 0.5 M NaCl solution on stainless steels examined by different electrochemical techniques and by reflectance measurements. Paper 99620 presented in San Antonio, Texas on NACE Corrosion 1999.
  19. T. Hemmingsen: Electrochemical and optical measurements of film formation on steel surfaces. Presented in 11th Austalasian Electrochemical Conference in Sydney, Australia (2000).
  20. T. Hemmingsen, H. Hovdan, P. Sanni and N.O. Aagotnes: Effect of the redox potential in an electrolyte on weld corrosion. Presented at the 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry September 2-7, 2001 San Francisco, California, 2001.
  21. T. Hemmingsen, H. Hovdan, P. Sanni and N.O. Aagotnes: Determination of Tafel lines. Presented at the 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry September 2-7, 2001 San Francisco, California, 2001.
  22. T. Hemmingsen: A comparison of sulphur reactions in saline and nonsaline electrolytes on carbon steel. Presented at 54th Annual Meeting of the International Society of Electrochemistry in Sao Pedro, Brazil, August 2003.
  23. S. Richter and T. Hemmingsen: A study of electrochemical behaviour of sulphur compounds. Presented at Eurocorr 2003 in Budapest, September 2003.
  24. T. Hemmingsen, L. Hilbert and LV Nielsen: Assessment of sulphur- and H2S corrosion by use of simultaneous ER-, Galvanic- and Optical Measurements. Presented at Eurocorr 2003 in Budapest, September 2003.
  25. T. Hemmingsen, I. Austvoll, F. Fusek and E. Skavås: Combined optical and electrochemical measurements on sulphide film formation. Presented at 13th Scandinavian Corrosion Congress, 2004 in Reykjavik, April 2004.
  26. T. Hemmingsen, K. Førre, H. Urke, N.O. Ågotnes and S. Eliassen: Hydrogen diffusion in 13Cr supermartensitic stainless steels. Experiences with the electrochemical hydrogen permeation cell. Presented at 13th Scandinavian Corrosion Congress, 2004 in Reykjavik, April 2004.
  27. T. Havn and T. Hemmingsen: Safe use of Al-bronze components in 22Cr duplex stainless steel equipment. Paper 04137 presented in New Orleans, Texas on NACE Corrosion 2004.
  28. T. Hemmingsen, E. Skavås, and F. Fusek: Sulphide film formation under alkaline conditions. Presented at Eurocorr 2004 in Nice, September 2004.
  29. L.R. Hilbert T. Hemmingsen, L.V. Nielsen, S: Richter: When Can Electrochemical Techniques Give Reliable Corrosion Rates on Carbon Steel in Sulfide Media? Paper 05346 presented in Houston, Texas on NACE Corrosion 2005.
  30. T. Hemmingsen, T. Havn, E. Hörnlund, H. Ferkingstad, F. Voll, Use of aluminium and zinc anodes for cathodic protection of produced water tanks. Presented at Eurocorr 2005 in Lisboa, September 2005
  31. T. Havn, T. Hemmingsen, E. Hörnlund, K. Eriksen, Comparison of corrosion resistance of two duplex stainless steels after simulated welding. Presented at Eurocorr 2005 in Lisboa, September 2005
  32. E. Hörnlund, T. Hemmingsen, T. Havn, J. Fosse, S. Hauger, K. Haugen: The effect of sulphur compounds on hydrogen permeation rate. Presented at ISE meeting in Korea September 2005.
  33. T. Hemmingsen, E. Skavås: A mechanism study of sulphite oxidation on platinum electrode in an alkaline solution. Presented at ESEAC2006, 11th International Conference on Electroanalysis in Bordeaux, June 2006.
  34. T. Hemmingsen: Uten kjemi stopper oljen. Presented in Norwegian Chemical Society Meeting in Tromsø, 21.september 2006.
  35. T. Hemmingsen, K.B. Andersen and L. Bolstad: Hydrogen permeation rates under stationary and tensile straining conditions. Presented at the 58th Annual Meeting of the International Society of Electrochemistry, Banff, Canada, September 9 –14, 2007.
  36. A. Palencsar, Y. Song, G. Svenningsen, T. Hemmingsen, J. Kvarekval: Effect of oxygen on aqueous sour corrosion systems. Paper 8006. Presented at Eurocorr 2009 in Nice, September 2009.
  37. Y. Song, A. Palencsar, G. Svenningsen, T. Hemmingsen, J. Kvarekval: Effect of oxygen and temperatures on aqueous sour corrosion systems. Paper 9644. Presented at Eurocorr 2010 in Moscow, September 2010.
  38. Y. Song, A. Palencsar, G. Svenningsen, J. Kvarekval, T. Hemmingsen: Effect of O2 and temperature on sour corrosion. Paper xx presented in Houston, Texas on NACE Corrosion 2011.
  39. T. Berntsen, M. Seiersten, T. Hemmingsen: Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel. Paper xx presented in Houston, Texas on NACE Corrosion 2011.

 

 

 

 

 

Updated 20.05.2011 by Tor Hemmingsen