1. Department of Exploration Geophysics; Curtin University; GPO Box U1987 Perth WA 6845 Australia
2. Cooperative Research Centre for Greenhouse Gas Technologies (CO2CRC); Barton ACT 2600 Australia
3. Applied and Environmental Geophysics Group; University of Lausanne; 1015 Lausanne Switzerland
4. Lawrence Berkeley National Laboratory; 1 Cyclotron Road Berkeley CA 94720 USA
5. CSIRO Energy; 26 Dick Perry Avenue, ARRC Kensington WA 6151 Australia