CO2 Pressurisation of a Storage Reservoir does not Lead to Salinization of 
Shallower Aquifers through Intact Caprocks

Kühn, M.; Kempka, T.

doi:10.1016/j.egypro.2015.07.880

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CO2 Pressurisation of a Storage Reservoir does not Lead to Salinization of Shallower Aquifers through Intact Caprocks

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Kühn, M.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/kempka

Kempka, T.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Kühn, M., Kempka, T. (2015): CO2 Pressurisation of a Storage Reservoir does not Lead to Salinization of Shallower Aquifers through Intact Caprocks. - Energy Procedia, 76, 607-615.
https://doi.org/10.1016/j.egypro.2015.07.880

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_1284931

Abstract

Current world-wide scientific activities addressing geological CO2 storage highlight one question of utmost importance for the general feasibility of CO2 storage in saline aquifers: What is the risk for freshwater reservoirs by potential upward brine migration as a result of pressure elevation in the storage formations? A vertical 1D model from reservoir depth to the surface was applied of a prospective storage site in the North German Basin to study the sealing capacity of a multi barrier system. Results emphasize that saltwater does not reach into the groundwater resources through intact caprocks.