Geophysical monitoring at the Ketzin pilot site for CO2 storage: New insights 
into the plume evolution

Ivandic, M.; Juhlin, C.; Lueth, S.; Bergmann, P.; Kashubin, A.; Sopher, D.; Ivanova, Alexandra; Baumann, G.; Henninges, J.

doi:10.1016/j.ijggc.2014.10.015

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Geophysical monitoring at the Ketzin pilot site for CO2 storage: New insights into the plume evolution

Authors

Ivandic, M.
External Organizations;

Juhlin, C.
External Organizations;

/persons/resource/slueth

Lueth, S.
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/bergmann

Bergmann, P.
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Kashubin, A.
External Organizations;

Sopher, D.
External Organizations;

/persons/resource/aivanova

Ivanova, Alexandra
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/baumann

Baumann, G.
4.1 Reservoir Technologies, 4.0 Chemistry and Material Cycles, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/janhen

Henninges, J.
4.1 Reservoir Technologies, 4.0 Chemistry and Material Cycles, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Ivandic, M., Juhlin, C., Lueth, S., Bergmann, P., Kashubin, A., Sopher, D., Ivanova, A., Baumann, G., Henninges, J. (2015): Geophysical monitoring at the Ketzin pilot site for CO2 storage: New insights into the plume evolution. - International Journal of Greenhouse Gas Control, 32, 90-105.
https://doi.org/10.1016/j.ijggc.2014.10.015

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_838935

Abstract

tTo date, 3D time-lapse seismic monitoring at the Ketzin CO2storage pilot site comprised a baseline surveyconducted in 2005 and two repeat surveys conducted in 2009 and 2012. At the time of the first repeatsurvey (22–25 kt of CO2), the CO2plume was found to be concentrated around the injection well witha maximum lateral extent of approximately 300–400 m and a thickness of 5–20 m. Data from the 2012survey (61 kt of CO2), show further growth and migration of the amplitude anomaly interpreted to beinduced by the CO2injection. The anomaly is similar in shape to that obtained from the 2009 survey, butsignificantly stronger and larger by ∼150 m in the N–S direction and by ∼200 m in the E–W direction.In agreement with the 2009 survey, the new data show a westward propagation of the plume, a trendgoverned by the complex structure of the reservoir. No evidence of systematic changes in the seismic signaturewithin the overburden is observed. A quantitative assessment of the plume reveals a 15% discrepancywith the injected amount, which could be attributed to the ongoing dissolution processes. However, theestimated quantity also contains significant uncertainty.