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  1. Content type: Research

    This article presents the study of the mass redistribution associated with the geothermal energy exploitation of the Soultz-sous-Forêts and Rittershoffen plants by microgravity monitoring in the period 2014–20...

    Authors: Nolwenn Portier, Jacques Hinderer, Umberto Riccardi, Gilbert Ferhat, Marta Calvo, Yassine Abdelfettah and Jean-Daniel Bernard

    Citation: Geothermal Energy 2018 6:19

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  2. Content type: Research

    Reduction or prevention of scaling is commonly achieved by injecting scaling inhibitors into the geothermal circuit. Inhibitor-efficiency tests can be carried out in static or dynamic experiment set-ups allowi...

    Authors: Joerg Zotzmann, Alexandra Vetter and Simona Regenspurg

    Citation: Geothermal Energy 2018 6:18

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  3. Content type: Research

    A wider exploitation of deep geothermal reservoir requires the development of Enhanced Geothermal System technology. In this context, drilling and stimulation of high-enthalpy geothermal wells raise technical ...

    Authors: M. Peter-Borie, A. Loschetter, I. A. Merciu, G. Kampfer and O. Sigurdsson

    Citation: Geothermal Energy 2018 6:17

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  4. Content type: Research

    Geothermal energy exploitation in the Upper Rhine Graben currently targets high-temperature anomalies in the crystalline Paleozoic basement at depths up to 5 km. However, at certain locations (e.g. Rittershoff...

    Authors: Alexandra R. L. Kushnir, Michael J. Heap, Patrick Baud, H. Albert Gilg, Thierry Reuschlé, Catherine Lerouge, Chrystel Dezayes and Philippe Duringer

    Citation: Geothermal Energy 2018 6:16

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  5. Content type: Research

    Two deep wells were drilled at Rittershoffen (Alsace, France) to produce high-temperature fluids to supply heat to a biorefinery. The GRT-2 production well was drilled to a depth of 3196 m MD and was deviated ...

    Authors: C. Glaas, A. Genter, J. F. Girard, P. Patrier and J. Vidal

    Citation: Geothermal Energy 2018 6:14

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  6. Content type: Research

    New and old magnetic and gravimetric data acquired in the frame of a geothermal project have been processed in N. Vosges and the adjacent Rhinegraben in order to identify the nature and tectonic framework of t...

    Authors: J. B. Edel, V. Maurer, E. Dalmais, A. Genter, A. Richard, O. Letourneau and R. Hehn

    Citation: Geothermal Energy 2018 6:13

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  7. Content type: Research

    The classical methodology to perform and analyze thermal response test (TRT) is unsuccessful when advection contributes to heat transfer in the ground, due to the presence of a groundwater flow. In this study,...

    Authors: Adriana Angelotti, Franco Ly and Andrea Zille

    Citation: Geothermal Energy 2018 6:12

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  8. Content type: Research

    In the present study, CFD-based parametric analysis is carried out to optimise the parameters affecting the temperature drop and heat transfer rate achieved from earth air tunnel heat exchanger (EATHE) system....

    Authors: Kamal Kumar Agrawal, Mayank Bhardwaj, Rohit Misra, Ghanshyam Das Agrawal and Vikas Bansal

    Citation: Geothermal Energy 2018 6:10

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  9. Content type: Research

    Knowledge of the strength and elastic modulus of a reservoir rock is important for the optimisation of a particular geothermal resource. The reservoir rock for many geothermal projects in the Upper Rhine Grabe...

    Authors: Marlène C. Villeneuve, Michael J. Heap, Alexandra R. L. Kushnir, Tao Qin, Patrick Baud, Guanglei Zhou and Tao Xu

    Citation: Geothermal Energy 2018 6:11

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  10. Content type: Research

    Earthquakes, despite being a mostly natural phenomenon, may also be induced by a wide range of anthropogenic activities such as mining, fluid injection and extraction, hydraulic fracturing and geothermal reser...

    Authors: Konstantinos G. Megalooikonomou, Stefano Parolai and Massimiliano Pittore

    Citation: Geothermal Energy 2018 6:8

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  11. Content type: Research

    The present work investigates the influence of crack opening rates on the development of four important calcite vein morphologies, namely fibrous, elongate-blocky, partially open, and euhedral, as a result of ...

    Authors: Nishant Prajapati, Michael Selzer, Britta Nestler, Benjamin Busch and Christoph Hilgers

    Citation: Geothermal Energy 2018 6:7

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  12. Content type: Research

    The thermal structure of continental crust is a critical factor for geothermal exploration, hydrocarbon maturation and crustal strength, and yet our understanding of it is limited by our incomplete knowledge o...

    Authors: Alexandre Lemenager, Craig O’Neill, Siqi Zhang and Morgan Evans

    Citation: Geothermal Energy 2018 6:6

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  13. Content type: Research

    The lateral and vertical temperature distribution in Oman is so far only poorly understood, particularly in the area between Muscat and the Batinah coast, which is the area of this study and which is composed ...

    Authors: Felina Schütz, Gerd Winterleitner and Ernst Huenges

    Citation: Geothermal Energy 2018 6:5

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  14. Content type: Research

    Geologic mapping, a magnetotelluric survey, well data, and earlier reports are integrated to guide further development of the Fang geothermal system. The Fang Hot Springs originally flowed ~ 20 l s−1 of 90–99 °C ...

    Authors: Spencer H. Wood, Pichet Kaewsomwang and Fongsaward Suvagonda Singharajwarapan

    Citation: Geothermal Energy 2018 6:3

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  15. Content type: Research

    The Taupo Volcanic Zone (TVZ) hosts 23 geothermal fields, seven of which are currently utilised for power generation. Ngatamariki geothermal field (NGF) is one of the latest geothermal power generation develop...

    Authors: J. L. Cant, P. A. Siratovich, J. W. Cole, M. C. Villeneuve and B. M. Kennedy

    Citation: Geothermal Energy 2018 6:2

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  16. Content type: Research

    A 1912-m exploration corehole was drilled along the axis of the eastern Snake River Plain, Idaho. Two temperature logs run on the corehole display an obvious inflection point at about 960 m. Such behavior is i...

    Authors: Thomas E. Lachmar, Thomas G. Freeman, Christopher J. Sant, Jeffrey R. Walker, Joseph F. Batir, John W. Shervais, James P. Evans, Dennis L. Nielson and David D. Blackwell

    Citation: Geothermal Energy 2017 5:28

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  17. Content type: Research

    Geothermal projects in the Upper Rhine Graben aim to harness thermal anomalies that have arisen due to hydrothermal circulation within the granitic basement and the overlying Permo-Triassic sedimentary units. ...

    Authors: Michael J. Heap, Alexandra R. L. Kushnir, H. Albert Gilg, Fabian B. Wadsworth, Thierry Reuschlé and Patrick Baud

    Citation: Geothermal Energy 2017 5:26

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  18. Content type: Research

    Leaching tests with synthetic brines (25 g/L NaCl) between 25 °C and 90 °C were performed under oxic and anoxic conditions over 7 days on two pyrite-bearing siliciclastic rocks from the Lower Jurassic Hettangi...

    Authors: Daniel Richard Müller and Simona Regenspurg

    Citation: Geothermal Energy 2017 5:25

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  19. Content type: Research

    Minimizing exploration risk in deep geothermics is of great economic importance. Especially, knowledge about temperature and permeability of the reservoir is essential. We test the potential of an outcrop anal...

    Authors: Johanna F. Bauer, Michael Krumbholz, Silke Meier and David C. Tanner

    Citation: Geothermal Energy 2017 5:24

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  20. Content type: Correction

    After publication of the article (Orywall et al. 2017), it has been brought to our attention that there are a number of errors. The authors have listed them below.

    Authors: Pia Orywall, Kirsten Drüppel, Dietmar Kuhn, Thomas Kohl, Michael Zimmermann and Elisabeth Eiche

    Citation: Geothermal Energy 2017 5:23

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    The original article was published in Geothermal Energy 2017 5:20

  21. Content type: Research

    This paper aims to predict ground temperature variation with depth for time variant ambient air temperature and solar radiation data for Jamshedpur, India. Finite difference method has been used to discretise ...

    Authors: Raviranjan Kumar Singh and Ram Vinoy Sharma

    Citation: Geothermal Energy 2017 5:22

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  22. Content type: Research

    It is commonly known that heat extraction and decompression can lead to mineral precipitation and reservoir clogging in geothermal systems. In the Upper Rhine Graben, the precipitating minerals are mainly bari...

    Authors: Pia Orywall, Kirsten Drüppel, Dietmar Kuhn, Thomas Kohl, Michael Zimmermann and Elisabeth Eiche

    Citation: Geothermal Energy 2017 5:20

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    The Correction to this article has been published in Geothermal Energy 2017 5:23

  23. Content type: Research

    To simulate the growth of geological veins, it is necessary to model the crystal shape anisotropy. Two different models, classical and natural models, which incorporate the surface energy anisotropy into the obje...

    Authors: Oleg Tschukin, Alexander Silberzahn, Michael Selzer, Prince G. K. Amos, Daniel Schneider and Britta Nestler

    Citation: Geothermal Energy 2017 5:19

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  24. Content type: Editorial

    Earth’s crust offers a vast resource of heat that can be used and converted into energy both for electricity and heating/cooling purposes. The utilization of this geothermal energy can make an important contri...

    Authors: Simona Regenspurg and Thorsten Schäfer

    Citation: Geothermal Energy 2017 5:18

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  25. Content type: Research

    The aim of this study is to compare between single flash, dual flash, and binary power plants in terms of the power generated, their performance, and the related cost. The results from the comparison are used ...

    Authors: M. El Haj Assad, E. Bani-Hani and M. Khalil

    Citation: Geothermal Energy 2017 5:17

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  26. Content type: Review

    Supercritical geothermal systems are very high-temperature geothermal systems that are located at depths near or below the brittle–ductile transition zone in the crust where the reservoir fluid is assumed to b...

    Authors: Thomas Reinsch, Patrick Dobson, Hiroshi Asanuma, Ernst Huenges, Flavio Poletto and Bernard Sanjuan

    Citation: Geothermal Energy 2017 5:16

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  27. Content type: Research

    In this paper, a conceptual model has been developed for NW Sabalan geothermal field using exploration indicators. These indicators include the data and results of subsurface and surface investigations compris...

    Authors: Mirmahdi Seyedrahimi-Niaraq, Faramarz Doulati Ardejani, Younes Noorollahi and Soheil Porkhial

    Citation: Geothermal Energy 2017 5:14

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  28. Content type: Research

    The determination of reservoir temperatures represents a major task when exploring geothermal systems. Since the uncertainties of classical solute geothermometry are still preventing reliable reservoir tempera...

    Authors: Fabian Nitschke, Sebastian Held, Ignacio Villalon, Thomas Neumann and Thomas Kohl

    Citation: Geothermal Energy 2017 5:12

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  29. Content type: Research

    Decreasing production rates and massive precipitation of native copper (Cu(0)) were observed in the production well at the geothermal research facility Groß Schönebeck (Germany). The Cu precipitates filling up...

    Authors: Simona Regenspurg, Ives Geigenmüller, Harald Milsch and Michael Kühn

    Citation: Geothermal Energy 2017 5:11

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  30. Content type: Research

    In this study, we report results of the analysis of a particularly interesting scaling sample from the geothermal plant in Neustadt-Glewe in northern Germany, which contained 19% Galena (PbS) and 81% of a hete...

    Authors: Frank Heberling, Dieter Schild, Detlev Degering and Thorsten Schäfer

    Citation: Geothermal Energy 2017 5:9

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  31. Content type: Research

    A submarine hydrothermal fluid discharge structure in Akureyri Bay, Eyjafjörður region, Iceland, was investigated by means of structural, geochemical, and mineralogical methods. Thermal and chemical gradients ...

    Authors: Richard Stanulla, Christiane Stanulla, Erlendur Bogason, Thomas Pohl and Broder Merkel

    Citation: Geothermal Energy 2017 5:8

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  32. Content type: Research

    Mineral precipitates (scaling) from deep saline thermal waters often constitute a major problem during geothermal energy production. The occurrence of scale-fragments accumulating and clogging pipes, filters, ...

    Authors: Ronny Boch, Albrecht Leis, Edith Haslinger, Johann E. Goldbrunner, Florian Mittermayr, Heinz Fröschl, Dorothee Hippler and Martin Dietzel

    Citation: Geothermal Energy 2017 5:4

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  33. Content type: Research

    The article explores the significance of abundant geothermal resources Icelanders enjoy, the comfort of inexpensively heated homes and easily accessible year-round public spaces where young and old can gather ...

    Authors: Örn D. Jónsson and Ólafur Rastrick

    Citation: Geothermal Energy 2017 5:2

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  34. Content type: Research

    The European Molasse Basin is a Tertiary foreland basin at the northern front of the Alps, which is filled with mostly clastic sediments. These Molasse sediments are underlain by Mesozoic sedimentary successio...

    Authors: Anna M. Przybycin, Magdalena Scheck-Wenderoth and Michael Schneider

    Citation: Geothermal Energy 2017 5:1

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