1. Australian School of Petroleum, University of Adelaide, Adelaide SA 5005, Australia
2. SEDBASE OOD, 21B Moskovska Street, Sofia 1000, Bulgaria
3. Department of Earth Science, University of Bergen, P.O. Box 7803, 5020 Bergen, Norway
4. School of Geosciences, University of Aberdeen, Meston Building, Aberdeen AB24 3UE, U.K.
5. Centre for Energy Geoscience, School of Earth Sciences, University of Western Australia, Crawley, WA 6009, Australia