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Journal Article

Monitoring of well integrity by magnetic imaging defectoscopy (MID) at the Ketzin pilot site, Germany

Authors
/persons/resource/zemke

Zemke,  K.
6.3 Geological Storage, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/alieb

Liebscher,  A.
6.3 Geological Storage, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/fmoeller

Möller,  F.
6.3 Geological Storage, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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2730907.pdf
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Citation

Zemke, K., Liebscher, A., Möller, F. (2017): Monitoring of well integrity by magnetic imaging defectoscopy (MID) at the Ketzin pilot site, Germany. - Energy Procedia, 125, 535-542.
https://doi.org/10.1016/j.egypro.2017.08.183


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_2730907
Abstract
At the Ketzin CO2 storage site, Germany, an interdisciplinary, comprehensive monitoring concept focusses on the storage complex, the overburden, the surface and the wellbores. Well integrity as one key requirement for safe storage operation has been monitored by combined video inspection, pulsed neutron gamma logging PNG, magnetic imaging defectoscopy MID and continuous annuli pressure monitoring. The time-lapse MID derived casing thicknesses are within the production specifications, conform to the API standards, and provide no hints to time dependent changes or to any other signs of corrosion. The comprehensive monitoring data indicate well integrity throughout the entire Ketzin life-cycle.