Here’s the latest on CCS:
1) “Enhanced Oil Recovery Using Carbon Dioxide in the European Energy System” (E. Tzimas, A. Georgakaki, G. Garcia Cortes, S. Peteves). This report does a quite detailed analysis and modelling of the potential for EOR in Europe (N Sea). http://ie.jrc.cec.eu.int/publications/2005_publ.html, look for EUR21895EN.
2) The north-east Atlantic marine environment protection body (OSPAR) has two draft reports on CO2 storage in geological structures, and on ocean acidification
http://www.ospar.org/eng/html/welcome.html