Publications

2020

MulT_predict: Ein numerisches Multikomponentengeothermometer zur präzisen Bestimmung der Reservoirtemperatur.
Yström, L.; Nitschke, F.; Held, S.; Kohl, T.
2020. Geothermische Energie, (95), 20–23
A Fully-Coupled Implicit Transient Two-Phase Wellbore Simulator.
Nitschke, F.; Gholami Korzani, M.; Held, S.; Kohl, T.
2020. World Geothermal Congress 2020
A multicomponent geothermometer for high-temperature basalt settings.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2020. Geothermal Energy, 8 (1), Art. Nr.: 2. doi:10.1186/s40517-020-0158-z
An Integrated Sensitivity Analysis for the Basalt Specific Multicomponent Geothermometer for High Temperature Settings.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2020. World Geothermal Congress 2020
A Stochastic Study of Flow Anisotropy and Channelling in Open Rough Fractures.
Marchand, S.; Mersch, O.; Selzer, M.; Nitschke, F.; Schoenball, M.; Schmittbuhl, J.; Nestler, B.; Kohl, T.
2020. Rock mechanics and rock engineering, 53, 233–249. doi:10.1007/s00603-019-01907-4

2019

Calculation of the CO₂-solubility in thermal waters in the context of geothermal utilization: CO₂-bubble point analysis in thermal waters of the Büyük Menderes Graben.
Goldberg, V.; Held, S.; Siefert, D.; Nitschke, F.; Kölbel, T.
2019. @SPEgermany, 29, 18–22
Estimating the Static Formation Temperature Using the Drilling and Logging Data of the RN-15/IDDP-2 Well in Iceland [in press].
Wang, J.; Nitschke, F.; Gaucher, E.; Kohl, T.
2019. DEEPEGS Symposium: How to enhance deep geothermal well productivity? - Orléans, France, 6-7 November 2019
MulT_predict - Entwicklung & Validierung eines Tools zur Reservoirtemperaturabschätzung basierend auf Multikomponentengeothermometrie.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2019, November 21. Der Geothermiekongress (DGK 2019), Munich, Germany, November 19–21, 2019
MulT_predict - A multicomponent geothermometer for precise reservoir temperature estimation.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2019, July 4. 8th Annual Conference of the KIT Energy Center (2019), Karlsruhe, Germany, July 4, 2019
MulT_predict - A Multicomponent Geothermometer optimized by Sensitivity Analysis.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2019, October 9. 7th European Geothermal Workshop (EGW 2019), Karlsruhe, Germany, October 9–10, 2019
MulT_predict - A multicomponent geothermometer with integrated sensitivity analyses.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2019, October 9. 7th European Geothermal Workshop (EGW 2019), Karlsruhe, Germany, October 9–10, 2019
Fully Transient Geothermal Wellbore Simulator (MOSKITO).
Gholami Korzani, M.; Held, S.; Nitschke, F.; Kohl, T.
2019, October. 7th European Geothermal Workshop (EGW 2019), Karlsruhe, Germany, October 9–10, 2019
The Development of a Fully Coupled Wellbore-Reservoir Simulator for Geothermal Application.
Gholami Korzani, M.; Held, S.; Nitschke, F.; Kohl, T.
2019, November. 1st DEEPEGS-Symposium “How to enhance deep geothermal well productivity?” (2019), Orléans, France, November 6–7, 2019
Linear vs. Nonlinear flow laws in sheared and rough self-affine fractures.
Egert, R.; Nitschke, F.; Gholami Korzani, M.; Kohl, T.
2019, October. 7th European Geothermal Workshop (EGW 2019), Karlsruhe, Germany, October 9–10, 2019
The Development of a Fully Coupled Wellbore-Reservoir Simulator for Geothermal Application.
Gholami Korzani, M.; Nitschke, F.; Held, S.; Kohl, T.
2019. Transactions, 43, 927–936
Temperature log simulations in high-enthalpy boreholes.
Wang, J.; Nitschke, F.; Gholami Korzani, M.; Kohl, T.
2019. Geothermal Energy, 7 (1), 32. doi:10.1186/s40517-019-0149-0

2018

Calculation of CO2 solubility in thermal waters in the context of geothermal utilization.
Goldberg, V.; Held, S.; Nitschke, F.; Siefert, D.; Kölbel, T.; Kohl, T.
2018, November. Student Technical Conference (STC 2018), Freiberg, Germany, November 8–9, 2018
Validation of multicomponent geothermometer with sensitivity analysis in basaltic geothermal setting.
Ystroem, L. H.; Nitschke, F.; Held, S.; Kohl, T.
2018, October 10. 6th European Geothermal Workshop (EGW 2018), Strasbourg, France, October 10–11, 2018
Anisotropy and flow channeling with shearing in rough self-affine single fractures.
Marchand, S.; Selzer, M.; Mersch, O.; Schoenball, M.; Nitschke, F.; Schmittbuhl, J.; Nestler, B.; Gaucher, E.; Kohl, T.
2018. 6th European Geothermal Workshop (EGW 2018), Strasbourg, France, October 10–11, 2018
Hydraulic anisotropy in simulated sheared fractures: a statistical analysis with comparison of aperture determination methods.
Marchand, S.; Selzer, M.; Mersch, O.; Schoenball, M.; Nitschke, F.; Schmittbuhl, J.; Nestler, B.; Gaucher, E.; Kohl, T.
2018. EGU General Assembly (2018), Vienna, Austria, April 8–13, 2018
Temperature analysis of the well RN15/IDDP2 in Reykjanes under long-term flow variations.
Wang, J.; Gholami Korzani, M.; Nitschke, F.; Gaucher, E.; Kohl, T.
2018, October 10. 6th European Geothermal Workshop (EGW 2018), Strasbourg, France, October 10–11, 2018
Numerical quantification of Scaling Processes in Boreholes -Case study: Well Groß Buchholz Gt1 (GeneSys-Project).
Nitschke, F.; Held, S.; Gholami Korzani, M.; Wang, J.; Himmelsbach, T.; Kohl, T.
2018, November 27. Der Geothermiekongress (DGK 2018), Essen, Germany, November 27–29, 2018
Geochemical characterization of the geothermal system at Villarrica volcano, Southern Chile; Part 1: Impacts of lithology on the geothermal reservoir.
Held, S.; Schill, E.; Schneider, J.; Nitschke, F.; Morata, D.; Neumann, T.; Kohl, T.
2018. Geothermics, 74, 226–239. doi:10.1016/j.geothermics.2018.03.004
Geochemical characterization of the Villarrica geothermal system, Southern Chile, part II : Site-specific re-evaluation of SiO₂ and Na-K solute geothermometers.
Nitschke, F.; Held, S.; Neumann, T.; Kohl, T.
2018. Geothermics, 74, 217–225. doi:10.1016/j.geothermics.2018.03.006
Numerical and Experimental Characterization of Dissolution and Precipitation Processes in Deep Geothermal Reservoirs. PhD dissertation.
Nitschke, F.
2018. KIT, Karlsruhe. doi:10.5445/IR/1000079826

2017

Advances in geochemical exploration - From dilution determination to improvements of geothermometers;.
Held, S.; Nitschke, F.; Schneider, J.; Kohl, T.
2017, September 13. Der Geothermiekongress (DGK 2017), Munich, Germany, September 12–14, 2017
Advanced geochemical techniques to characterize geothermal fluid circulation patterns.
Held, S.; Nitschke, F.; Schill, E.; Kohl, T.; Neumann, T.
2017, August 15. Goldschmidt Conference (2017), Paris, France, August 13–18, 2017
In-situ Temperature Determination at the Villarrica Geothermal System, Southern Chile : Implications from Laboratory Experiments for Geothermometry.
Nitschke, F.; Held, S.; Villalon, I.; Neumann, T.; Kohl, T.
2017. Proceedings of the 42nd Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, 13th - 15th February 2017, 1–8
Effect of flow and physical parameters on the mineral deposition of geothermal wellbores: WellboreKit development.
Nusiaputra, Y.; Dimier, A. D.; Nitschke, F. N.; Gaucher, E. G.; Kohl, T. K.
2017. 79th EAGE Conference and Exhibition 2017: Energy, Technology, Sustainability - Time to Open a New Chapter; Paris; France; 12 June 2017 through 15 June 2017, EAGE (European Association of Geoscientists & Engineers), Houten. doi:10.3997/2214-4609.201701326
Assessment of performance and parameter sensitivity of multicomponent geothermometry applied to a medium enthalpy geothermal system.
Nitschke, F.; Held, S.; Villalon, I.; Neumann, T.; Kohl, T.
2017. Geothermal Energy, 5 (1), 12. doi:10.1186/s40517-017-0070-3
In-situ Temperature Determination at the Villarrica Geothermal System, Southern Chile : Implications from Laboratory Experiments for Geothermometry.
Nitschke, F.; Held, S.; Villalon, I.; Neumann, T.; Kohl, T.
2017. 42nd Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, 13-15 February 2017
Hydrochemistry and genesis of the hot spring fluids of Villarrica Geothermal system in the Andes of Southern Chile.
Held, S.; Nitschke, F.; Schill, E.; Eiche, E.; Morata, D.; Kohl, T.
2017. 41st Geothermal Research Council Annual Meeting (GRC) & GEA GeoExpo+ 2017, Salt Lake City, Utah, USA, 1st - 4th October 2017
Integrated Research as Key to the Development of a Sustainable Geothermal Energy Technology.
Meller, C.; Bremer, J.; Ankit, K.; Baur, S.; Bergfeldt, T.; Blum, P.; Canic, T.; Eiche, E.; Gaucher, E.; Hagenmeyer, V.; Heberling, F.; Held, S.; Herfurth, S.; Isele, J.; Kling, T.; Kuhn, D.; Mayer, D.; Müller, B.; Nestler, B.; Neumann, T.; Nitschke, F.; Nothstein, A.; Nusiaputra, Y.; Orywall, P.; Peters, M.; Sahara, D.; Schäfer, T.; Schill, E.; Schilling, F.; Schröder, E.; Selzer, M.; Stoll, M.; Wiemer, H.-J.; Wolf, S.; Zimmermann, M.; Kohl, T.
2017. Energy technology, 5 (7), 965–1006. doi:10.1002/ente.201600579
THC simulation of halite scaling in deep geothermal single well production.
Nitschke, F.; Held, S.; Himmelsbach, T.; Kohl, T.
2017. Geothermics, 65, 234–243. doi:10.1016/j.geothermics.2016.09.009

2016

Geochemical Reservoir Exploration and Temperature Determination at the Mt. Villarrica Geothermal System, Chile.
Nitschke, F.; Held, S.; Villalon, I.; Mundhenk, N.; Kohl, T.; Neumann, T.
2016. European Geothermal Congress (EGC 2016), Strasbourg, France, September 19–26, 2016

2015

Lithological controls influencing the geochemistry of geothermal systems in the vicinity of Villarrica volcano : an experimental approach.
Villalon, I.; Nitschke, F.; Held, S.; Morata, D.
2015. XIV Chilean Geological Congress, Chile 2015, La Serena, Chile, 4th - 8th October 2015
The application of THC Code TOUGHREACT-Pitzer on Failure Conditions of Geothermal project GeneSys.
Nitschke, F.; Held, S.; Himmelsbach, T.; Kohl, T.
2015. 4th European Geothermal Workshop (EGW 2015), Strasbourg, France, October 19–20, 2015
Reactivity of Chilean Reservoir Rocks and the Use of Geochemical Tools for Reservoir Characterization.
Nitschke, F.; Held, S.; Mundhenk, N.; Villalon, I.; Kohl, T.; Neumann, T.
2015. 4th European Geothermal Workshop (EGW 2015), Strasbourg, France, October 19–20, 2015

2014

Formation of alternating layered Ba-Sr-sulfate and Pb-sulfide scaling in the geothermal plant of Soultz-sous-Forêts.
Nitschke, F.; Scheiber, J.; Kramar, U.; Neumann, T.
2014. Neues Jahrbuch für Mineralogie / Abhandlungen, 191 (2), 145–156. doi:10.1127/0077-7757/2014/0253

2013

Formation Mechanisms of Sulfate and Sulfide Scalings in the Geothermal Power Plant of Soultz-sous-Forêts : Insights from Sulfur Isotope Analyses.
Nitschke, F.; Scheiber, J.; Neumann, T.; Kramar, U.
2013. Joint Annual Meeting DMG and GV : Sediment. Geofluids: Lubricants of the Dynamic Earth, Tübingen, Germany, 16th - 20th September 2013
Geochemisch-mineralogische Charakterisierung der Scalings in der Geothermieanlage Soultz-sous-Forêts.
Nitschke, F.; Scheiber, J.; Neumann, T.
2013. Chancen der Energiewende : wissenschaftliche Beiträge des KIT zur 1. Jahrestagung des KIT-Zentrums Energie, 19.06.2012. Hrsg.: W. Breh, 113–118, KIT Scientific Publishing, Karlsruhe