1. Department of Petroleum Engineering; University of Stavanger; Stavanger Norway
2. The National IOR Centre of Norway; Stavanger, Norway
3. Department of Earth and Environmental Sciences; University of Milano-Bicocca; Milan Italy
4. Department of Physics and Earth Sciences; University of Parma; Parma Italy
5. Institute of Mineralogy; Freiberg University of Mining and Technology; Freiberg Germany