CO2 Migration Monitoring by Means of Electrical Resistivity Tomography (ERT) – 
Review on Five Years of Operation of a Permanent ERT System at the Ketzin Pilot 
Site

Schmidt-Hattenberger, Cornelia; Bergmann, P.; Labitzke, Tim; Wagner, F.

doi:10.1016/j.egypro.2014.11.471

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CO2 Migration Monitoring by Means of Electrical Resistivity Tomography (ERT) – Review on Five Years of Operation of a Permanent ERT System at the Ketzin Pilot Site

Authors

/persons/resource/conny

Schmidt-Hattenberger, Cornelia
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;

/persons/resource/labitzke

Labitzke, Tim
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/fwagner

Wagner, F.
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Schmidt-Hattenberger, C., Bergmann, P., Labitzke, T., Wagner, F. (2014): CO2 Migration Monitoring by Means of Electrical Resistivity Tomography (ERT) – Review on Five Years of Operation of a Permanent ERT System at the Ketzin Pilot Site. - Energy Procedia, 63, 4366-4373.
https://doi.org/10.1016/j.egypro.2014.11.471

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_838925

Abstract

At the Ketzin pilot site, Germany, electrical resistivity tomography (ERT) is a substantial component in a multi-disciplinary monitoring concept established in order to image CO2 injected in a saline aquifer. Since more than five years, crosshole ERT data sets have repeatedly been collected using a borehole electrode array acting as a permanent reservoir monitoring tool. This contribution summarizes the aspects being essential for a successful deployment and operation of such a downhole installation. It is shown that the presented installation can facilitate stable and reliable data collection at least throughout the investigated five- year period of ongoing CO2 injection. Based on the experiences being gained so far, it is concluded that a properly calibrated and integrated downhole ERT system allows for mapping of quantitative CO2 saturation estimates in the subsurface.