edited by P.J. Armitage, BP Upstream Technology, UK, A.R. Butcher, Geological Survey of Finland, Finland, J.M. Churchill, Shell UK Ltd, UK, A.E. Csoma, MOL Group Exploration, Hungary, C. Hollis, University of Manchester, UK, R.H. Lander, Geocosm, USA, J.E. Omma, Rocktype, UK, and R.H. Worden, University of Liverpool, UK