1. Institute of Drilling Technology and Fluid Mining, TU Bergakademie Freiberg, 09599 Freiberg, Germany
2. Institute Earth & Environment Strasbourg (EES), University of Strasbourg, 67084 Strasbourg, France
3. License & Technology, Petoro AS, 4005 Stavanger, Norway
4. Well and Production Chemistry, Wintershall Dea Norge AS, 4020 Stavanger, Norway
5. Advisor Consultant Petroleum Engineering, 48527 Nordhorn, Germany