Chapter headings and selected papers: Preface. Fault Seals. Fault seal analysis: successful methodologies, application and future directions (R.J. Knipe et al.). The emplacement of clay smears in synsedimentary normal faults: inferences from field observations near Frechen, Germany (F.K. Lehner, W.F. Pilaar). Fault seal processes: systematic analysis of fault seals over geological and production time scales (J.R. Fulljames et al.). Complexity in fault zone structure and implications for fault seal prediction (C. Childs et al.). Late Jurassic–early Cretaceous caprocks of the southwestern Barents Sea: fracture systems and rock mechanical properties (R.H. Gabrielsen, O.S. Kløvjan). Fault properties and the development of cemented fault zones in sedimentary basins: field examples and predictive models (E. Sverdrup, K. Bjørlykke). Quantitative fault seal prediction: a case study from Oseberg Syd (T. Fristad et al.). Fault seal analysis in hydrocarbon exploration and appraisal: examples from offshore mid-Norway (A.I. Welbon et al.). Fracture flow and fracture cross flow experiments (A. Makurat et al.). Fault seal analysis: reducing our dependence on empiricism (T.R. Harper, E.R. Lundin). Migration and Top Seal Integrity. Sealing processes and top seal assessment (G.M. Ingram et al.). The dynamics of gas flow through rock salt in the scope of time (D. Kettel). Pressure prediction from seismic data: implications for seal distribution and hydrocarbon exploration and exploitation in the deepwater Gulf of Mexico (N.C. Dutta). Pore water flow and petroleum migration in the Smørbukk field area, offshore mid-Norway (R. Olstad et al.). The Njord field: a dynamic hydrocarbon trap (T. Lilleng, R. Gundesø). Pre-cretaceous top-seal integrity in the greater Ekofisk area (D.M. Hall et al.). References index. Subject index.