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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Zimmermann, G.
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Deon, F.; Regenspurg, S.; Zimmermann, G. (2013): Geochemical interactions of Al2O3-based proppants with highly saline geothermal brines at simulated in situ temperature conditions.. Geothermics, 47, 53-60.
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Reinicke, A.; Blöcher, G.; Zimmermann, G.; Huenges, E.; Dresen, G.; Stanchits, S.; Legarth, B. A.; Makurat, A. (2013): Mechanically induced fracture-face skin: Insights from laboratory testing and modeling approaches. SPE Productions & Operations, 28, 1, 26-35.
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Kwiatek, G.; Bohnhoff, M.; Dresen, G.; Schulze, A.; Schulte, T.; Zimmermann, G.; Huenges, E. (2010): Microseismicity induced during fluid-injection: A case study from the geothermal site at Groß Schönebeck, North German Basin. Acta Geophysica, 58, 6, 995-1020.
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Regenspurg, S.; Banks, J.; Zimmermann, G. (2010): Mineral precipitation from geothermal brines during reservoir activities - Example Gross Schonebeck (Germany). Geochimica et Cosmochimica Acta, 74, 12, Suppl. 1, A856.
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Regenspurg, S.; Wiersberg, T.; Brandt, W.; Huenges, E.; Saadat, A.; Schmidt, K.; Zimmermann, G. (2010): Geochemical properties of saline geothermal fluids from the in-situ geothermal laboratory Groß Schönebeck (Germany). Chemie der Erde - Geochemistry, 70, Suppl. 3, 3-12.
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Wiese, B.; Böhner, J.; Enachescu, C.; Würdemann, H.; Zimmermann, G. (2010): Hydraulic characterisation of the Stuttgart formation at the pilot test site for CO2 storage, Ketzin, Germany. International Journal of Greenhouse Gas Control, 4, 6, 960-971.
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Zimmermann, G.; Moeck, I.; Blöcher, G. (2010): Cyclic waterfrac stimulation to develop an enhanced geothermal system (EGS): Conceptual design and experimental results.. Geothermics, 39, 1, 59-69.
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Zimmermann, G.; Reinicke, A. (2010): Hydraulic stimulation of a deep sandstone reservoir to develop an Enhanced Geothermal System: Laboratory and field experiments. Geothermics, 39, 1, 70-77.
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Moeck, I.; Kwiatek, G.; Zimmermann, G. (2009): Slip tendency analysis, fault reactivation potential and induced seismicity in a deep geothermal reservoir. Journal of Structural Geology, 31, 10, 1174-1182.
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Zimmermann, G.; Tischner, T.; Legarth, B.; Huenges, E. (2009): Pressure dependent production efficiency of an Enhanced Geothermal System (EGS): Stimulation results and implications for hydraulic fracture treatments. Pure and Applied Geophysics, 166, 5-7, 1089-1106.
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Blöcher, G.; Zimmermann, G. (2008): Settle3D - a numerical generator for artificial porous media. Computers and Geosciences, 34, 12, 1827-1842.
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Legarth, B. A.; Huenges, E.; Zimmermann, G. (2005): Hydraulic fracturing in a sedimentary geothermal reservoir: Results and implications. International Journal of Rock Mechanics and Mining Sciences, 42, 7-8, 1028-1041.
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Reinicke, A.; Zimmermann, G.; Huenges, E.; Burkhardt, H. (2005): Estimation of hydraulic parameters after stimulation experiments in the geothermal reservoir Groß Schönebeck 3/90 (North-German Basin). International Journal of Rock Mechanics and Mining Sciences, 42, 7-8, 1082-1087.
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Huenges, E.; Zimmermann, G. (1999): Rock permeability and fluid pressure at the KTB: Implications from laboratory and drill-hole measurements. Oil & Gas Science and Technology - Revue de l'Institute Francais du Petrole, 54, 6, 689-694.
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Zimmermann, G.; Moeck, I. (2008): Geothermische Forschungsbohrung in Groß Schönebeck - von der Planung bis zur Stimulation. Brandenburgische geowissenschaftliche Beiträge, 15, 1/2, 155-164.
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Zimmermann, G.; Bücker, C.; Melchert, M.; Wöhrl, T. (1992): Comparison of gamma-ray log and core measurements in the KTB Oberpfalz VB - a method to estimate the depth offset between logging and coring. Scientific Drilling, 3, 1-5.
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Zimmermann, G.; Blöcher, G.; Huenges, E. (2012): Enhanced Geothermal Systems (EGS) - Potential and Stimulation. Energiewende: Aspekte, Optionen, Herausforderungen ; Vorträge auf der DPG-Frühjahrstagung ; Berlin, 26. bis 28. März 2012, Deutsche Physikalische Gesellschaft, 67-74.
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Kolditz, O.; Blöcher, G.; Clauser, C.; Diersch, H.-J. G.; Kohl, T.; Kühn, M.; McDermott, C. I.; Wang, W.; Watanabe, N.; Zimmermann, G.; Bruel, D. (2010): Geothermal reservoir simulation. - In: Huenges, E. (Eds.), Geothermal Energy Systems - Exploration, Development and Utilization, Wiley-VCH, 245-301.
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Schulte, T.; Zimmermann, G.; Vuataz, F.; Portier, S.; Tischner, T.; Junker, R.; Huenges, E. (2010): Enhancing geothermal reservoirs. - In: Huenges, E. (Eds.), Geothermal Energy Systems - Exploration, Development and Utilization, Wiley-VCH, 174-243.
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Blöcher, G.; Bruhn, D.; Zimmermann, G.; McDermott, C.; Huenges, E. (2007): Investigation of the undrained poroelastic response of sandstones to confining pressure via laboratory experiment, numerical simulation and analytical calculation. Rock physics and geomechanics in the study of reservoirs and repositories, The Geological Society, 71-87.
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Huenges, E.; Zimmermann, G.; Reinicke, A.; Blöcher, G.; Holl, H. G.; Legarth, B.; Saadat, A.; Möck, I.; Winter, H.; Brandt, W.; Köhler, S.; Spalek, A.; Poser, M.; Schrötter, J.; Becker, R. (2006): Technologieentwicklung im In-Situ-Geothermielabor Groß Schönebeck. Zweijahresbericht 2004/2005, GeoForschungszentrum Potsdam, 103-112.
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Zimmermann, G.; Burkhardt, H.; Engelhard, L. (2005): Scale dependence of hydraulic and structural parameters in fractured rock, from borehole data (KTB and HSDP). - In: Harvey, P. K.; Brewer, T. S.; Pezard, P. A.; Petrov, V. A. (Eds.), Petrophysical properties of crystalline rocks, Geological Society London, 37-45.
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Wolfgramm, M.; Raab, S.; Seibt, A.; Trautwein, U.; Zimmermann, G.; Holl, H.-G.; Kellner, T. (2004): Hydraulische und chemische Eigenschaften eines Rotliegend-Sandsteins im Durchströmungsversuch. - In: Huenges, E.; Wolfgramm, M. (Eds.), Sandsteine im In-situ-Geothermielabor Groß Schönebeck : Reservoircharakterisierung, Stimulation, Hydraulik und Nutzungskonzepte ; Geothermie Report 04-1, GeoForschungsZentrum Potsdam, 9-28.
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Zimmermann, G. (2004): Ergebnisse des moderaten Pumptests in der Tiefbohrung Groß Schönebeck 3/90 im Sommer 2002. - In: Huenges, E.; Wolfgramm, M. (Eds.), Sandsteine im In-situ-Geothermielabor Groß Schönebeck : Reservoircharakterisierung, Stimulation, Hydraulik und Nutzungskonzepte ; Geothermie Report 04-1, GeoForschungsZentrum Potsdam, 123-135.
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Zimmermann, G.; Tischner, T. (2004): Durchführung von Pulstests während der Stimulationsarbeiten zur Lokation einer hydraulischen Blockierung im open hole Bereich. - In: Huenges, E.; Wolfgramm, M. (Eds.), Sandsteine im In-situ-Geothermielabor Groß Schönebeck : Reservoircharakterisierung, Stimulation, Hydraulik und Nutzungskonzepte ; Geothermie Report 04-1, GeoForschungsZentrum Potsdam, 137-141.
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Blöcher, G.; Zimmermann, G.; Moeck, I.; Huenges, E. (2012): Groß Schönebeck (D) - Moving forward on the learning curve: lessons learned from projects in the recent years from projects. International Conference on Enhanced Geothermal Systems (Freiburg, Germany 2012), CD-ROM.
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Kempka, T.; Endler, R.; Eydam, D.; Herd, R.; Huenges, E.; Jahnke, C.; Jolie, E.; Janetz, S.; Krause, Y.; Kühn, M.; Magri, F.; Moeck, I.; Möller, M.; Muñoz, G.; Nakaten, B.; Ritter, O.; Schafrik, W.; Schmidt-Hattenberger, C.; Schöne, E.; Tillner, E.; Voigt, H. J.; Wagner, F.; Zimmermann, G. (2012): CO2 storage in eastern Brandenburg: Implications for geothermal heat provision and conception of a salinisation early warning system – Review of current progress of the joint-project brine. Tagung der Fachsektion Hydrogeologie in der DGG (FH-DGG) - Grundwasserschutz und Grundwassernutzung (Dresden 2012).
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Magri, F.; Tillner, E.; Jolie, E.; Kempka, T.; Kolditz, O.; Moeck, I.; Wang, W.; Wantanabe, N.; Zimmermann, G. (2012): 3D numerical simulation of pore pressure and stress coupling for CO2 storage in deep saline aquifers: A case study from the Northeast German Basin. General Assembly European Geosciences Union (Vienna, Austria 2012).
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Zimmermann, G.; Blöcher, G.; Huenges, E. (2012): Enhanced Geothermal Systems (EGS) - Potential und Stimulationsverfahren. Verhandlungen der Deutschen Physikalischen Gesellschaft (Berlin, Germany 2012), 468.
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Deon, F.; Regenspurg, S.; Zimmermann, G. (2011): Interaction of ceramic proppants with geothermal brine: an experimental study of their reactivity. General Assembly European Geosciences Union (Vienna, Austria 2011).
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Urpi, L.; Zimmermann, G.; Blöcher, G. (2011): Numerical modelling of pore pressure diffusion in a geothermal reservoir stimulation treatment. International Conference 'Fragile Earth' : GV-DGG-GSA Joint Meeting GeoMunich (Munich 2011).
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Kempka, T.; Herd, R.; Huenges, E.; Jahnke, C.; Kühn, M.; Moeck, I.; Munoz, G.; Ritter, O.; Schmidt-Hattenberger, C.; Voigt, H. J.; Zimmermann, G. (2010): brine – CO2 Storage in eastern Brandenburg: Implications for geo-thermal heat provision and conception of a salinisation early warn-ing system. GeoDarmstadt 2010 - Geowissenschaften sichern Zukunft (Darmstadt 2010).
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Reinicke, A.; Zimmermann, G.; Blöcher, G.; Naumov, D.; Stanchits, S.; Dresen, G.; Huenges, E. (2010): Mechanical and hydraulic aspects of rock-proppant systems: Experimental approaches and implications for reservoir treatments. Proceedings, World Geothermal Congress (Bali, Indonesia 2010), CD-ROM.
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Saadat, A.; Huenges, E.; Brandt, W.; Zimmermann, G.; Blöcher, G.; Erbas, K.; Frick, S.; Hassanzadegan, A.; Henninges, J.; Kranz, S.; Milsch, H.; Moeck, I.; Regenspurg, S.; Reinicke, A.; Reinsch, T.; Schmidt, K. (2010): Geothermisches in situ Labor Groß Schönebeck. Der Geothermiekongress 2010 (Karlsruhe, Germany 2010).
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Zimmermann, G.; Blöcher, G.; Kwiatek, G.; Moeck, I.; Brandt, W.; McDermott, C.; Naumov, D.; Hassanzadegan, A.; Reinicke, A.; Milsch, H.; Regenspurg, S.; Huenges, E. (2010): Enhanced geothermal systems: Accessing and engineering the reservoir. GeoEn International Meeting (Potsdam, Germany 2010), 35.
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Zimmermann, G.; Reinicke, A.; Blöcher, G.; Moeck, I.; Kwiatek, G.; Brandt, W.; Regenspurg, S.; Schulte, T.; Saadat, A.; Huenges, E. (2010): Multiple fracture stimulation treatments to develop an Enhanced Geothermal System (EGS) - Conceptual design and experimental results. Proceedings, World Geothermal Congress (Bali, Indonesia 2010), CD-ROM.
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Blöcher, G.; Milsch, H.; Zimmermann, G. (2009): Experimental and theoretical investigations of hydromechanical behavior of sandstones.. 8th Conference of Rock Physics and Geomechanics (Ascona, Switzerland 2009), 99-100.
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Huenges, E.; Erbas, K.; Moeck, I.; Blöcher, G.; Brandt, W.; Schulte, T.; Saadat, A.; Kwiatek, G.; Zimmermann, G. (2009): The EGS project Groß Schönebeck - Current status of the large scale research project in Germany. 33rd Annual Meeting Geothermal Resources Council (Reno, USA 2009), 403-404.
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Wiese, B.; Böhner, J.; Enachescu, C.; Kühn, M.; Martens, S.; Möller, F.; Rohs, S.; Wöhrl, T.; Würdemann, H.; Zemke, J.; Zimmermann, G. (2009): Hydraulic testing activities at the Ketzin test site (Germany). General Assembly European Geosciences Union (Vienna, Austria 2009.
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Zimmermann, G.; Reinicke, A.; Blöcher, G.; Moeck, I.; Kwiatek, G.; Brandt, W.; Regenspurg, S.; Schulte, T.; Saadat, A.; Huenges, E. (2009): Multiple fracture stimulation treatments to develop an enhanced geothermal system (EGS).. 8th Euro Conference of Rock Physics and Geomechanics (Ascona, Switzerland 2009), 22.
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Blöcher, G.; Milsch, H.; Zimmermann, G. (2008): Auswirkung des poroelastischen Verhaltens von Sandsteinen auf die geothermische Stromerzeugung. Tagungsband, Der Geothermiekongress 2008 (Karlsruhe, Germany 2008), 74-82.
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Blöcher, G.; Moeck, I.; Milsch, H.; Zimmermann, G. (2008): Modelling of pore pressure response due to hydraulic stimulation treatments at the geothermal research doublet EGRSK3/90 and GTGRSK4/05 in summer 2007. 33rd Workshop on Geothermal Reservoir Engineering (Stanford, USA 2008), CD-ROM.
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Ghergut, J.; Behrens, H.; Sauter, M.; Erzinger, J.; Huenges, E.; Tischner, T.; Zimmermann, G. (2008): Über Push-Pull-Tests, Smart Tracers und die nicht so smarten Tiefengeothermalreservoire. Tagungsband, Der Geothermiekongress 2008 (Karlsruhe, Germany 2008), 190-200.
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Moeck, I.; Brandt, W.; Blöcher, G.; Holl, H.-G.; Zimmermann, G.; Huenges, E.; Saadat, A.; Backers, T. (2008): From gas to geothermal exploration: A case study from the NE-German Basin. 70th EAGE Conference and Exhibition (Rome, Italy 2008), CD-ROM, D022.
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Zimmermann, G. (2008): Deep geothermal energy - Hydraulic fracturing treatments to enhance productivity. International Seminar on Renewable Energies and Efficient Use of Energy in Mining in Latin America (Santiago de Chile, Chile 2008), CD-ROM.
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Zimmermann, G. (2008): Hydrodynamische Entwicklungen bei der Nutzung von Tiefenwässern in der Geothermie. International Seminar on Renewable Energies and Efficient Use of Energy in Mining in Latin America (Santiago de Chile, Chile 2008), CD-ROM.
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Zimmermann, G.; Moeck, I.; Brandt, W.; Saadat, A.; Blöcher, G.; Reinicke, A.; Huenges, E. (2008): Hydraulische Stimulationsmaßnahmen zur Steigerung der Produktivität. Tagungsband, Der Geothermiekongress (Karlsruhe, Germany 2008), 181-185.
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Zimmermann, G.; Reinicke, A.; Brandt, W.; Blöcher, G.; Milsch, H.; Holl, H.-G.; Moeck, I.; Schulte, T.; Saadat, A.; Huenges, E. (2008): Results of stimulation treatments at the geothermal research wells in Groß Schönebeck/Germany. 33rd Stanford Workshop on Geothermal Reservoir Engineering (Stanford, USA 2008), CD-ROM.
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Zimmermann, G.; Reinicke, A.; Brandt, W.; Blöcher, G.; Milsch, H.; Holl, H.-G.; Moeck, I.; Schulte, T.; Saadat, A.; Huenges, E. (2008): Results of stimulation treatments at the geothermal wells in Groß Schönebeck/Germany. 70th EAGE Conference and Exhibition (Rome, Italy 2008), CD-ROM, D024.
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Blöcher, G.; Milsch, H.; Zimmermann, G. (2007): Interpretation of permeability change due to effective stress with special focus on pore space geometry. 29th Course of the International School of Geophysics, Euro-Conference of Rock Physics and Geomechanics on Natural Hazards (Erice, Italy 2007), 117.
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Blöcher, G.; Zimmermann, G. (2007): Settle 3D - A numerical generator for artificial porous media. 67. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (Aachen, Germany 2007), 142.
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Zimmermann, G.; Reinicke, A.; Blöcher, G.; Milsch, H.; Gehrke, D.; Holl, H.-G.; Moeck, I.; Brandt, W.; Saadat, A.; Huenges, E. (2007): Well path design and stimulation treatments at the geothermal research well GtGrSk4/05 in Groß Schönebeck. Proceedings, 32nd Workshop on Geothermal Reservoir Engineering (Stanford, USA 2007), 75-80.
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Zimmermann, G.; Reinicke, A.; Blöcher, G.; Milsch, H.; Holl, H.-G.; Moeck, I.; Brandt, W.; Saadat, A.; Huenges, E. (2007): Well path design and stimulation treatments at the geothermal research well GtGrSk4/05 in Groß Schönebeck. 67. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (Aachen, Germany 2007), 101.
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Zimmermann, G.; Reinicke, A.; Blöcher, G.; Milsch, H.; Holl, H.-G.; Moeck, I.; Kranz, S.; Brandt, W.; Saadat, A.; Huenges, E. (2007): Well path design and stimulation treatments at the geothermal research well GtGrSk4/05 in Groß Schönebeck. 29th Course of the International School of Geophysics, Euro Conference of Rock Physics and Geomechanics on Natural Hazards (Erice, Italy 2007), 96.
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Gehrke, D.; Moeck, I.; Schafmeister, M.-T.; Blöcher, G.; Zimmermann, G. (2006): 3D thermo-hydraulic modeling of the geothermal reservoir of Groß Schönebeck (North East Germany). GeoBerlin 2006: 3D-Geologie - eine neue Chance für die Nutzung und den Schutz des Untergrundes, GeoBerlin2006 - 158. Jahrestagung der DGG (Berlin 2006), 103.
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Ghergut, J.; Sauter, M.; Lodemann, M.; Behrens, H.; Licha, T.; Orzol, J.; Zimmermann, G.; Rose, P. (2006): Tracer-assisted evaluation of hydraulic stimulation experiments in deep crystalline and sedimentary formations in Germany. Actes/Abstracts of the Engine Workshp 1 'Defining, Exploring, Imaging and Assessing Reservoirs for Potential Heat Exchange', ENGINE Workshop 1 - Defining, Exploring, Imaging and Assessing Reservoirs for Potential Heat Exchange (Potsdam, Germany 2006), 68.
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Huenges, E.; Saadat, A.; Brandt, W.; Legarth, B.; Tischner, T.; Moeck, I.; Holl, H.-G.; Zimmermann, G. (2006): Current status of the EGS Gross Schönebeck project within the North German basin: main achievements and perspectives. ENGINE: Enhanced Geothermal Innovative Network for Europe, Launching Conference - ENGINE (Orleans, France 2006), 26.
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Huenges, E.; Saadat, A.; Brandt, W.; Moeck, I.; Holl, H.-G.; Zimmermann, G.; Blöcher, G.; Köhler, S.; Legarth, B.; Tischner, T. (2006): Current status of the EGS Gross Schönebeck project: on the way to demonstrate sustainable brine production from deep sediments of the North German basin. Geothermal Resources Council 2006 Annual Meeting (San Diego, USA 2006), 341-346.
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Moeck, I.; Brandt, W.; Zimmermann, G.; Saadat, A.; Holl, H.-G.; Backers, T.; Huenges, E. (2006): Die neue Geothermalbohrung Groß Schönebeck. Tagungsband, 9. Geothermische Fachtagung 2006 (Karlsruhe, Germany 2006), 35-40.
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Moeck, I.; Huenges, E.; Saadat, A.; Holl, H.-G.; Zimmermann, G.; Blöcher, G.; Brandt, W.; Backers, T. (2006): Die Nutzung von Tiefenheißwässern im Rotliegenden des Norddeutschen Beckens: Fortschritte am Standort Groß Schönebeck. GeoBerlin 2006 : 3D-Geologie - eine neue Chance für die Nutzung und den Schutz des Untergrundes ; Berlin, 2.-4. Oktober 2006 ; Kurzfassungen der Vorträge und Poster, GeoBerlin2006 - 158. Jahrestagung der DGG (Berlin 2006), 106.
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Reinicke, A.; Legarth, B.; Zimmermann, G.; Huenges, E.; Dresen, G. (2006): Hydraulic fracturing and formation damage in a geothermal sedimentary reservoir. Proceedings of the Engine Workshop 3 'Stimulation of Reservoir and Induced Microseismicity', Engine Workshop 3: Stimulation of Reservoir and Induced Microseismicity (Zurich, Switzerland 2006), 37-42.
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Zimmermann, G.; Blöcher, G.; Milsch, H. (2006): Prediction of permeability change at high ambient stresses via the isotropic Skempton coefficient B. AGU 2006 Fall Meeting (San Francisco, USA 2006), T23D-0537.
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Zimmermann, G.; Huenges, E.; Saadat, A.; Legarth, B.; Blöcher, G.; Reinicke, A.; Milsch, H.; Holl, H.-G.; Moeck, I.; Köhler, S.; Brandt, W. (2006): Enhancement of productivity after reservoir stimulation of the hydro-thermal reservoir Gross Schönebeck with different fracturing concepts. Proceedings of the Engine Workshop 3 'Stimulation of Reservoir and Induced Microseismicity', Engine Workshop 3: Stimulation of Reservoir and Induced Microseismicity (Zurich, Switzerland 2006), 81-86.
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Reinicke, A.; Zimmermann, G.; Burkhardt, H.; Huenges, E. (2004): Veränderung hydraulischer Eigenschaften nach Stimulationsexperimenten im Rotliegend der Geothermie-Forschungsbohrung Groß Schönebeck. 64. Jahrestagung Deutsche Geophysikalische Gesellschaft (Berlin 2004), 169-170.
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Zimmermann, G.; Holl, H.-G.; Köhler, S.; Legarth, B. A.; Reinicke, A.; Saadat, A.; Trautwein, U.; Winter, H.; Huenges, E. (2004): Massive Injektions- und Förder-Experimente in Groß Schönebeck. Die neue Rolle der Geothermie, 8. Geothermische Fachtagung (Landau Germany 2004), 137-142.
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Holl, H.-G.; Hurter, S.; Saadat, A.; Köhler, S.; Wolfgramm, M.; Zimmermann, G.; Trautwein, U.; Winter, H.; Legarth, B. A.; Huenges, E. (2003): First hand experience in a second hand borehole: hydraulic experiments and scaling in the geothermal well Groß Schönebeck after reopening. International Geothermal Conference IGC-2003 (Reykjavik 2003), Session 01, 8-13.
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Reinicke, A.; Zimmermann, G.; Burkhardt, H.; Huenges, E. (2003): Estimation of hydraulic parameters after stimulation experiments in the geothermal reservoir Groß Schönebeck 3/90 (North German Basin). Euro-Conference on Rock Physics and Geomechanics (Kijkduin 2003), 41.
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Zimmermann, G.; Hurter, S.; Saadat, A.; Köhler, S.; Trautwein, U.; Holl, H.-G.; Wolfgramm, M.; Winter, H.; Legarth, B. A.; Huenges, E. (2003): The in-situ geothermal laboratory Groß Schönebeck - Stimulation of sandstones in 4200 m depth. 28th Workshop on Geothermal Reservoir Engineering (Stanford 2003).
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Huenges, E.; Zimmermann, G.; Hurter, S.; Köhler, S.; Saadat, A.; Holl, H.-G.; Wolfgramm, M.; Trautwein, U.; Legarth, B. A.; Winter, H.; Tischner, T. (2002): Das in situ-Geothermielabor Groß Schönebeck - Experiment zur Stimulation der Sandsteine in 4200 m Tiefe. 7. Geothermische Fachtagung (Waren 2002), 154-157.
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Zimmermann, G. (2007): Skalenvarianz hydraulischer und struktureller Eigenschaften geklüfteter Gesteine.
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