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Principle investigator:
Prof. Dr. Eva Schill


eva schill ∂ kit edu

Scientific contact:
Jörg Meixner
Dr. Jörg Meixner


joerg meixner ∂ kit edu

Prof. Dr. Philipp Blum


philipp blum ∂ kit edu

Dr. Joerg Isele


joerg isele ∂ kit edu

Frank Schilling
Prof. Dr. Frank Schilling

+49 721/608-44725

frank schilling ∂ kit edu

Thomas Schimmel
Prof. Dr. Thomas Schimmel


thomas schimmel ∂ kit edu

Reservoir characterization, processes and monitoring

Principle Investigator: Prof. Dr. Eva Schill
This cluster focuses on "reservoir characterization" as well as "process, engineering and monitoring".
In the field of reservoir characterization, geological, structural, geophysical and petrophysical reservoir properties are investigated as well as hydraulic or hydrochemical parameters, which are of importance for the reservoir behavior, are determined.
Various techniques are used, i.a.
• Potential-field and diffusion-based methods for the estimation of structural properties
• Neural networks for the prediction of geological variability
• Estimates of the local and regional stress field using numerical, seismic and Pff well methods
• Geological, geophysical and hydrochemical logging analyzes with new numerical developments such as borehole simulators
The focus "Process, Engineering and Monitoring" examines fundamental constitution laws and THMC processes (thermal, hydraulic, mechanical and chemical) in space and time under the complex and fractured framework conditions of EGS reservoirs. These multi-physical THMC processes and corresponding equations of state and linear or nonlinear constitutive laws are described with balancing equations for mass, momentum and energy conservation. Processes are investigated with specific numerical solution methods depending on the complexity of the geometry or other conditions in space and time.

Bohrlochrandausbrüche/Sahra, Schoenball
Modeling of borehole edge outbreaks; From this it is possible to draw conclusions about the mechanical rock properties (Sahara et al., Schönball et al.).

One focus of the cluster is the development of the large-scale infrastructure GeoLaB . Main emphasis of this planned international and interdisciplinary research platform is to gain a better understanding of the coupled THMC processes of deep geothermal reservoirs at high flow rates and issues in the field of reservoir engineering as well as wellbore safety.

Recent publications:

Held, Sebastian; Nitschke, Fabian; Schill, Eva; Morata, Diego; Eiche, Elisabeth; Kohl, Thomas (2017): Hydrochemistry and genesis of the hot spring fluids of Villarrica Geothermal system in the Andes of Southern Chile. In: GRC (Hg.): Transactions - Geothermal Resources Council, Bd. 41. 41st Geothermal Research Council Annual Meeting (GRC) & GEA GeoExpo+ 2017. Salt Lake City, USA, 1st - 4th October. 

Nitschke, F.; Held, S.; Villalon, I.; Neumann, T.; Kohl, T. (2017): Assessment of Performance and Parameter Sensitivity of Multicomponent Geothermometry applied to a Medium Enthalpy Geothermal System. In: Geothermal Energy 5 (12). DOI: 10.1186/s40517-017-0070-3. 

Schmidt, Roman B.; Bucher, Kurt; Mundhenk, Niklas; Stober, Ingrid (2017): Reactivity of Geothermal Reservoir Rocks under Temperature Conditions Found in the Upper Rhine Graben (Germany). In: Procedia Earth and Planetary Science 17, S. 881–884. DOI: 10.1016/j.proeps.2017.01.006.

Wüstefeld, Patrick; Hilse, Ulrike; Lüders, Volker; Wemmer, Klaus; Koehrer, Bastian; Hilgers, Christoph (2017): Kilometer-scale fault-related thermal anomalies in tight gas sandstones. In: Marine and Petroleum Geology 86, S. 288–303. DOI: 10.1016/j.marpetgeo.2017.05.015. 

Zang, Arno; Stephansson, Ove; Stenberg, Leif; Plenkers, Katrin; Specht, Sebastian; Milkereit, Claus et al. (2017): Hydraulic fracture monitoring in hard rock at 410 m depth with an advanced fluid-injection protocol and extensive sensor array. In: Geophys. J. Int. 208 (2), S. 790–813. DOI: 10.1093/gji/ggw430

Gaucher, Emmanuel (2016): Earthquake detection probability within a seismically quiet area. Application to the Bruchsal geothermal field. In: Geophysical Prospecting 64 (2), S. 268–286. DOI: 10.1111/1365-2478.12270

Grimmer, J. C.; Ritter, J. R. R.; Eisbacher, G. H.; Fielitz, W. (2016): The Late Variscan control on the location and asymmetry of the Upper Rhine Graben. In: Int J Earth Sci (Geol Rundsch), S. 1–27. DOI: 10.1007/s00531-016-1336-x 

Held, Sebastian; Schill, Eva; Pavez, Maximiliano; Díaz, Daniel; Muñoz, Gerard; Morata, Diego; Kohl, Thomas (2016): Resistivity distribution from mid-crustal conductor to near-surface across the 1200 km long Liquiñe-Ofqui Fault System, southern Chile. In: Geophys. J. Int. 207 (3), S. 1387–1400. DOI: 10.1093/gji/ggw338

Ismail-Zadeh, Alik; Korotkii, Alexander; Tsepelev, Igor (2016): Data-Driven Numerical Modelling in Geodynamics: Methods and Applications (SpringerBriefs in Earth Sciences). Online verfügbar unter http://dx.doi.org/10.1007/978-3-319-27801-8

Jahn, M.; Breunig, M.; Butwilowski, E.; Kuper, P. V.; Thomsen, A.; Al-Doori, M.; Schill, E. (2016): Temporal and Spatial Database Support for Geothermal Sub-surface Applications. In: Alias Abdul-Rahman (Hg.): Advances in 3d geoinformation. 1st ed. 2016.: Springer (Lecture Notes in Geoinformation and Cartography), S. 337–356.

Kinnaert, Xavier; Gaucher, Emmanuel; Achauer, Ulrich; Kohl, Thomas (2016): Modelling earthquake location errors at a reservoir scale. A case study in the Upper Rhine Graben. In: Geophys. J. Int. 206 (2), S. 861–879. DOI: 10.1093/gji/ggw184

Kling, Tobias; Huo, Da; Schwarz, Jens-Oliver; Enzmann, Frieder; Benson, Sally; Blum, Philipp (2016): Simulating stress-dependent fluid flow in a fractured core sample using real-time X-ray CT data. In: Solid Earth 7 (4), S. 1109–1124. DOI: 10.5194/se-7-1109-2016

Menberg, Kathrin; Pfister, Stephan; Blum, Philipp; Bayer, Peter (2016): A matter of meters. State of the art in the life cycle assessment of enhanced geothermal systems. In: Energy Environ. Sci. 9 (9), S. 2720–2743. DOI: 10.1039/C6EE01043A

Meixner, Jörg; Schill, Eva; Grimmer, Jens Carsten; Gaucher, Emmanuel; Kohl, Thomas; Klingler, Philip (2016): Structural control of geothermal reservoirs in extensional tectonic settings: An example from the Upper Rhine Graben. In: Journal of Structural Geology 82, S. 1–15. DOI:10.1016/j.jsg.2015.11.003

Schill, Eva; Meixner, Jörg; Meller, Carola; Grimm, Manuel; Grimmer, Jens C.; Stober, Ingrid; Kohl, Thomas (2016): Criteria and geological setting for the generic geothermal underground research laboratory, GEOLAB. In: Geotherm Energy 4 (7). DOI: 10.1186/s40517-016-0049-5

Sokolov, Vladimir; Ismail‐Zadeh, Alik (2016): On the Use of Multiple‐Site Estimations in Probabilistic Seismic‐Hazard Assessment. In: Bulletin of the Seismological Society of America 106 (5), S. 2233–2243. DOI: 10.1785/0120150306

Tsereteli, N.; Tibaldi, A.; Alania, V.; Gventsadse, A.; Enukidze, O.; Varazanashvili, O.; Müller, B.I.R. (2016): Active tectonics of central-western Caucasus, Georgia. In: Tectonophysics 691, S. 328–344. DOI: 10.1016/j.tecto.2016.10.025

Watanabe, Norihiro; Blöcher, Guido; Cacace, Mauro; Held, Sebastian; Kohl, Thomas (2016): Geoenergy Modeling III. Enhanced Geothermal Systems. Cham, s.l.: Springer International Publishing (SpringerBriefs in Energy). Online verfügbar unter http://dx.doi.org/10.1007/978-3-319-46581-4

Wehrens, Philip; Berger, Alfons; Peters, Max; Spillmann, Thomas; Herwegh, Marco (2016): Deformation at the frictional-viscous transition. Evidence for cycles of fluid-assisted embrittlement and ductile deformation in the granitoid crust. In: Tectonophysics 693, S. 66–84. DOI: 10.1016/j.tecto.2016.10.022

Altwegg, Pierrick; Schill, Eva; Abdelfettah, Yassine; Radogna, Pier-Vittorio; Mauri, Guillaume (2015): Toward fracture porosity assessment by gravity forward modeling for geothermal exploration (Sankt Gallen, Switzerland). In: Geothermics 57, S. 26–38. DOI: 10.1016/j.geothermics.2015.05.006

Barth, A.; Ritter, J.R.R.; Wenzel, F. (2015): Spatial variations of earthquake occurrence and coseismic deformation in the Upper Rhine Graben, Central Europe. In: Tectonophysics 651-652, S. 172–185. DOI: 10.1016/j.tecto.2015.04.004

Gaucher, Emmanuel; Schoenball, Martin; Heidbach, Oliver; Zang, Arno; Fokker, Peter; van Wees, Jan-Diederik; Kohl, Thomas (2015): Induced seismicity in geothermal reservoirs. A review of forecasting approaches. In: Renewable and Sustainable Energy Reviews 52, S. 1473–1490. DOI: 10.1016/j.rser.2015.08.026

Regenauer-Lieb, Klaus; Bunger, Andrew; Chua, Hui Tong; Dyskin, Arcady; Fusseis, Florian; Gaede, Oliver et al. (2015): Deep geothermal: The ‘Moon Landing’ Mission in the Unconventional Energy and Minerals Space. In: J. Earth Sci. 26 (1), S. 2–10. DOI: 10.1007/s12583-015-0515-1

Rolker, Julian; Schill, Eva; Stober, Ingrid; Schneider, Jochen; Neumann, Thomas; Kohl, Thomas (2015): Hydrochemical characterisation of a major central European heat flux anomaly. The Bürchau geothermal spring system, Southern Black Forest, Germany. In: GEEN 3 (5). DOI: 10.1186/s40517-014-0021-1

Schilling, Frank R.; Bieberstein, Andreas; Eckhardt, Jörg-Detlef; Haist, Michael; Hirsch, Astrid; Klumbach, Steffen et al. (2015): Long-Term Safety of Well Abandonment: First Results from Large Scale Laboratory Experiments (COBRA). In: Axel Liebscher und Ute Münch (Hg.): Geological storage of CO2 - long term security aspects. Cham: Springer (Advanced Technologies in Earth Sciences, 22), S. 115–138.

Seithel, Robin; Steiner, Ulrich; Müller, Birgit I. R.; Hecht, Christian; Kohl, Thomas (2015): Local stress anomaly in the Bavarian Molasse Basin. In: GEEN 3 (1), S. 1–22. DOI: 10.1186/s40517-014-0023-z

Sokolov, Vladimir; Wenzel, Friedemann (2015): On the relation between point-wise and multiple-location probabilistic seismic hazard assessments. In: Bull Earthquake Eng 13 (5), S. 1281–1301. DOI: 10.1007/s10518-014-9661-6

Spichak, V.; Geiermann, J.; Zakharova, O.; Calcagno, P.; Genter, A.; Schill, E. (2015): Estimating deep temperatures in the Soultz-sous-Forêts geothermal area (France) from magnetotelluric data. In: NSG 13 (4), S. 397–408. DOI: 10.3997/1873-0604.2015014

Stober, I. & Bucher, K. (2015): Hydraulic and hydrochemical properties of deep sedimentary aquifers of the Upper Rhine Graben, Europe. In: Geofluids 15, S. 464–482. DOI: 10.1111/gfl.12122

Wenzel, Friedemann (2015): Induced Seismicity Using Dieterich's Rate and State Theory and Comparison to the Critical Pressure Theory. In: Energy Procedia 76, S. 282–290. DOI: 10.1016/j.egypro.2015.07.863