Seasonal high temperature heat storage with medium deep borehole heat exchangers

K Bär, W Rühaak, B Welsch, D Schulte, S Homuth… - Energy Procedia, 2015 - Elsevier
Heating of buildings requires more than 25% of the total end energy consumption in
Germany. By storing excess heat from solar panels or thermal power stations of more than …

The deep thermal field of the Upper Rhine Graben

J Freymark, J Sippel, M Scheck-Wenderoth, K Bär… - Tectonophysics, 2017 - Elsevier
Abstract The Upper Rhine Graben has a significant socioeconomic relevance as it provides
a great potential for geothermal energy production. The key for the utilisation of this energy …

Determining the relationship of thermal conductivity and compressional wave velocity of common rock types as a basis for reservoir characterization

P Mielke, K Bär, I Sass - Journal of Applied Geophysics, 2017 - Elsevier
A comprehensive dataset detailing thermal conductivity and acoustic (compressional) wave
velocity of 1430 oven-dry rock samples from clastic sedimentary (sandstone, arkose …

The impact of hydrothermal alteration on the physiochemical characteristics of reservoir rocks: the case of the Los Humeros geothermal field (Mexico)

LM Weydt, F Lucci, A Lacinska, D Scheuvens… - Geothermal …, 2022 - Springer
Hydrothermal alteration is a common process in active geothermal systems and can
significantly change the physiochemical properties of rocks. To improve reservoir …

The PetroPhysical Property Database (P3) – a global compilation of lab-measured rock properties

K Bär, T Reinsch, J Bott - Earth System Science Data, 2020 - essd.copernicus.org
Petrophysical properties are key to populating local and/or regional numerical models and
to interpreting results from geophysical investigation methods. Searching for rock property …

Integrated 3D geological modelling of the northern Upper Rhine Graben by joint inversion of gravimetry and magnetic data

M Frey, S Weinert, K Bär, J van Der Vaart, C Dezayes… - Tectonophysics, 2021 - Elsevier
The crystalline basement of the Upper Rhine Graben is a major target for deep geothermal
exploration due to the generally high reservoir temperatures and the increased radiogenic …

Petrophysical and mechanical rock property database of the Los Humeros and Acoculco geothermal fields (Mexico)

LM Weydt, ÁA Ramírez-Guzmán, A Pola… - Earth System …, 2020 - essd.copernicus.org
Petrophysical and mechanical rock properties are key parameters for the characterization of
the deep subsurface in different disciplines such as geothermal heat extraction, petroleum …

Outcrop analogue study of Permocarboniferous geothermal sandstone reservoir formations (northern Upper Rhine Graben, Germany): impact of mineral content …

A Aretz, K Bär, AE Götz, I Sass - International Journal of Earth Sciences, 2016 - Springer
The Permocarboniferous siliciclastic formations represent the largest hydrothermal reservoir
in the northern Upper Rhine Graben in SW Germany and have so far been investigated in …

Petrophysical characterization of the Los Humeros geothermal field (Mexico): from outcrop to parametrization of a 3D geological model

LM Weydt, K Bär, I Sass - Geothermal Energy, 2022 - Springer
Abstract The Los Humeros Volcanic Complex has been characterized as a suitable target for
developing a super-hot geothermal system (> 350° C). For the interpretation of geophysical …

THM modeling of hydrothermal circulation at Rittershoffen geothermal site, France

B Vallier, V Magnenet, J Schmittbuhl, C Fond - Geothermal Energy, 2018 - Springer
Abstract Background The Rittershoffen deep geothermal project located 6 km east from
Soultz-sous-Forts EGS site (France) includes a doublet GRT-1 and GRT-2 to exploit the …