Seismic modeling of the AVO/AVA response to CO2 injection at the Ketzin site, Germany
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Open access via publisher
Date
2013Type
Conference Paper
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Over 64 kilotons of CO2 have been injected (May, 2013) into a heterogeneous sandstone reservoir (saline aquifer) at 630-650 m depth. 4D seismics have been applied to monitor CO2 at the Ketzin site. However, the obtained time-lapse seismic signals have been so far interpreted as being caused by fluid saturation changes only. Modeling of the AVO/AVA response allows us to study two kinds of effects: CO2-saturation- and pore-pressure-related effects. Our results indicate that it is rather infeasible to discriminate between both these effects at the Ketzin site dealing with the real seismic data with limited signal/noise ratios. © 2013 The Authors. Published by Elsevier Ltd.
Citation
Ivanova, A. and Bergmann, P. and Kummerow, J. and Yang, C. and Lüth, S. and Juhlin, C. 2013. Seismic modeling of the AVO/AVA response to CO2 injection at the Ketzin site, Germany, pp. 490-498.
Source Title
Energy Procedia
ISSN
School
Department of Exploration Geophysics
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