1. Recent time-lapse seismic data show no indication of leakage at the sleipner CO2-injection site
2. Arts, R. J. , A. Chadwick, O. Eiken, M. Trani, and S. Dortland, 2007, Synthetic modeling of time-lapse seismic data versus real data at the Sleipner CO2 injection site: 77th Annual International Meeting, SEG, Expanded Abstracts, 2974–2978.
3. 4D seismic quantification of a growing CO2plume at Sleipner, North Sea
4. Directive 2009/31/EC of the European Parliament and of the Council of 23 April 2009 on the geological storage of carbon dioxide and amending Council Directive 85/337/EEC, European Parliament and Council Directives 2000/60/EC, 2001/80/EC, 2004/35/EC, 2006/12/EC, 2008/1/EC and Regulation (EC) No 1013/2006.
5. Directive 2009/29/EC of the European Parliament and of the council of 23 April 2009 amending Directive 2003/87/EC so as to improve and extend the greenhouse gas emission allowance trading scheme of the Community