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Ling Zhou, Peng Yan, Yanjun Zhang, Honglei Lei, Shuren Hao, Yueqiang Ma and Shaoyou Sun
The optimization of the production scheme for enhanced geothermal systems (EGS) in geothermal fields is crucial for enhancing heat production efficiency and prolonging the lifespan of thermal reservoirs. In this study, the 4100?4300 m granite diorite str...
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Saeed Mahmoodpour, Mrityunjay Singh, Christian Obaje, Sri Kalyan Tangirala, John Reinecker, Kristian Bär and Ingo Sass
The United Downs Deep Geothermal Project (UDDGP) is designed to utilize a presumably permeable steep dipping fault damage zone (constituting the hydrothermal reservoir in a very low permeability granitic host rock) for fluid circulation and heat extracti...
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Dimitrios Mendrinos, Constantine Karytsas, Spyridon Karytsas, Flavio Poletto, Biancamaria Farina and Erika Barison
This paper presents correlations derived by linear regression analysis of seismic velocities VP and VS and elastic moduli EP and ES with temperature in Los Humeros superhot (SHGS) and Acoculco enhanced (EGS) geothermal systems at depths down to 3 km belo...
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Hong Li, Kun Ji, Ye Tao and Chun?an Tang
On the basis of a conceptual model for an Excavation based Enhanced Geothermal System (EGS-E), which proposed to extract heat from Hot Dry Rock at depth through dominantly adopting shaft, roadways, and caved rock failure techniques but not depending on e...
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Saeed Mahmoodpour, Mrityunjay Singh, Aysegul Turan, Kristian Bär and Ingo Sass
The deep geothermal energy project at Soultz-sous-Forêts is located in the Upper Rhine Graben, France. As part of the Multidisciplinary and multi-contact demonstration of EGS exploration and Exploitation Techniques and potentials (MEET) project, this stu...
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Yassine Abdelfettah and Christophe Barnes
We have performed several sensitivity studies to assess the ability of the Full Wave Inversion method to detect, delineate and characterize faults in a crystalline geothermal reservoir from OVSP data. The distant goal is to apply the method to the Soultz...
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Chaojie Cheng, Johannes Herrmann, Bianca Wagner, Bernd Leiss, Jessica A. Stammeier, Erik Rybacki and Harald Milsch
The long-term sustainability of fractures within rocks determines whether it is reasonable to utilize such formations as potential EGS reservoirs. Representative for reservoirs in Variscan metamorphic rocks, three long-term (one month each) fracture perm...
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Jing Xu, Han Cao, Stefan Sesselmann, Dominic Taylor, Raimund Forst and Frank Seehaus
This study validated the application of Elementary Geometrical Shape (EGS) models for in vivo migration measurements of Total Hip Arthroplasty. Using EGS models for migration detection presenting an alternative to surface models resulting out of computer...
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Shankar Adhikari, Himlal Baral and Craig Nitschke
Rural mountain communities in developing countries are considered particularly vulnerable to environmental change, including climate change. Forests and agriculture provide numerous ecosystem goods and services (EGS) to local communities and can help peo...
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Benjamin Edwards, Nadine Staudenmaier, Carlo Cauzzi and Stefan Wiemer
A method is described for the prediction of site-specific surface ground motion due to induced earthquakes occurring in predictable and well-defined source zones. The method is based on empirical Green?s functions (EGFs), determined using micro-earthquak...
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