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Journal Article

Fracture characterisation using 3-D seismic reflection data for advanced deep geothermal exploration in the NE German Basin

Authors
/persons/resource/asrillah

Asrillah,  Asrillah
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Abdullah,  Agus
External Organizations;

/persons/resource/klaus

Bauer,  Klaus
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/norden

Norden,  Ben
4.8 Geoenergy, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/lotte

Krawczyk,  C.M.
2.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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5022766.pdf
(Publisher version), 17MB

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Citation

Asrillah, A., Abdullah, A., Bauer, K., Norden, B., Krawczyk, C. (2024): Fracture characterisation using 3-D seismic reflection data for advanced deep geothermal exploration in the NE German Basin. - Geothermics, 116, 102833.
https://doi.org/10.1016/j.geothermics.2023.102833


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5022766
Abstract
At the geothermal research platform Gross Schönebeck (NE German Basin), we analysed 3-D seismic reflection data to determine the degree and direction of azimuthal velocity anisotropy which is interpreted as the effect of sub-vertical fracturing. Above the Zechstein salt, the observed anisotropy roughly correlates to fault structures formed by an upwelling salt pillow. Below the salt, faults are not obvious and the direction of less pronounced anisotropy and interpreted fracturing follows the trend of the regional stress field. The fracturing in an extensional setting above salt pillows may cause higher permeability and better conditions for geothermal exploitation.