Journal
ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN
Volume 162, Issue 4, Pages 389-404Publisher
E SCHWEIZERBARTSCHE VERLAGSBUCHHANDLUNG
DOI: 10.1127/1860-1804/2011/0162-0389
Keywords
Geological 3D modelling; Northwest German Basin; resources; risk assessment; Schleswig-Holstein
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An important requirement for energy recovery or storage within the deep underground (e.g. deep geothermal energy, storage of pressurised air) or the assessment of sites for the storage of substances (e.g. CO2) is the 3D visualisation and interpretation of datasets on geometry, structural geology, lithology and petrophysical and hydraulic properties of potential storage and sealing formations. In the framework of the CO2 MoPa joint project the Geological Survey of the federal state Schleswig-Holstein investigated geological data within the onshore Schleswig-Holstein underground. In order to reach a better understanding on regional geology, a geological 3D model of the deep underground of Schleswig-Holstein has been constructed, based on the datasets of the Geotectonic Atlas of Northwest Germany (Baldschuhn et al. 2001). It consists of 14 surfaces of the base of geological units, fault surfaces in different depths and a model of salt diapirs. The Geotectonic Atlas offers an extensive database; by 3D visualisation and corrections in future by up to date datasets information systems can be optimised and updated. In subareas, showing different structure types, more detailed geological models have been developed aiming to characterise potential storage and sealing formations. Together with rock specific parameters the models have been used as constraints for numerical simulations and geophysical modelling studies. In general, the parameterised models are valuable as basis in the run-up of applications focusing the extraction or storage of energy or substances (like gases or fluids) and they can be used for risk assessment studies.
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