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  1. Research

    Microstructural and petrophysical properties of the Permo-Triassic sandstones (Buntsandstein) from the Soultz-sous-Forêts geothermal site (France)

    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. ...

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

    Geothermal Energy 2017 5:26

    Published on: 21 November 2017

  2. Research

    The element-release mechanisms of two pyrite-bearing siliciclastic rocks from the North German Basin at temperatures up to 90 °C under oxic and anoxic conditions

    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...

    Daniel Richard Müller and Simona Regenspurg

    Geothermal Energy 2017 5:25

    Published on: 11 November 2017

  3. Correction

    Correction to: Flow-through experiments on the interaction of sandstone with Ba-rich fluids at geothermal conditions

    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.

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

    Geothermal Energy 2017 5:23

    Published on: 7 November 2017

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

  4. Research

    Numerical analysis for ground temperature variation

    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 ...

    Raviranjan Kumar Singh and Ram Vinoy Sharma

    Geothermal Energy 2017 5:22

    Published on: 1 November 2017

  5. Research

    Flow-through experiments on the interaction of sandstone with Ba-rich fluids at geothermal conditions

    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...

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

    Geothermal Energy 2017 5:20

    Published on: 13 October 2017

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

  6. Research

    Concepts of modeling surface energy anisotropy in phase-field approaches

    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...

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

    Geothermal Energy 2017 5:19

    Published on: 11 October 2017

  7. Editorial

    Workshop “Geothermal fluids in saline systems”

    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...

    Simona Regenspurg and Thorsten Schäfer

    Geothermal Energy 2017 5:18

    Published on: 21 September 2017

  8. Research

    Assessment of performance and parameter sensitivity of multicomponent geothermometry applied to a medium enthalpy geothermal system

    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...

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

    Geothermal Energy 2017 5:12

    Published on: 18 July 2017

  9. Research

    How well suited are current thermodynamic models to predict or interpret the composition of (Ba,Sr)SO4 solid-solutions in geothermal scalings?

    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...

    Frank Heberling, Dieter Schild, Detlev Degering and Thorsten Schäfer

    Geothermal Energy 2017 5:9

    Published on: 27 June 2017

  10. Research

    Structural, geochemical, and mineralogical investigation of active hydrothermal fluid discharges at Strýtan hydrothermal chimney, Akureyri Bay, Eyjafjörður region, Iceland

    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 ...

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

    Geothermal Energy 2017 5:8

    Published on: 17 June 2017

  11. Research

    Scale-fragment formation impairing geothermal energy production: interacting H2S corrosion and CaCO3 crystal growth

    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, ...

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

    Geothermal Energy 2017 5:4

    Published on: 22 May 2017

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