Results 51 to 60 of about 959 (206)

Hydraulische Stimulationskonzepte zur Entwicklung von Enhanced Geothermal Systems (EGS) [PDF]

, 2014
System Erde ...
Zimmermann, G., Blöcher, G., Reinicke, A., Deon, F., Regenspurg, S., Yoon, J., Zang, A., Heidbach, O., Moeck, I., Huenges, E.   +9 more
openaire   +2 more sources

Mechanical property variation mechanisms of granite subjected to real‐time high temperatures and subsequent cooling treatment

Deep Underground Science and Engineering, Volume 5, Issue 1, Page 277-295, March 2026.
This study investigates the coupled thermo‐mechanical behavior of granite during heating and cooling through a combination of laboratory tests and finite element analysis. The thermal conductivity, mineral composition, mass loss rate, micro‐crack observation, and thermal fracture characteristics of granite under various temperature conditions are ...
Rui Pang, Dehao Meng, Thomas Frühwirt, Hao Liu, Yanan Zhao, Qingyou Zhu, Wengang Dang, Mohamed Ismael, Fei Wang   +8 more
wiley   +1 more source

Fault Stability Assessment in Tectonically Active Geothermal Fields Through Integrated Stress Analysis

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract The Tulu Moye geothermal field in the actively deforming Main Ethiopian Rift presents substantial potential for renewable energy production, where interactions between fault systems, hydrothermal fluids, and tectonic activity require careful management for sustainable development. Here we present a first‐order assessment of fault stability and
Roberto Emanuele Rizzo, Derek Keir, Ameha Muluneh, Snorri Guðbrandsson, David Healy, Federico Sani, Giacomo Corti, Paola Vannucchi   +7 more
wiley   +1 more source

Enhanced Geothermal Systems (EGS) R&D Program [PDF]

, 1999
The purpose of this workshop was to develop technical background facts necessary for planning continued research and development of Enhanced Geothermal Systems (EGS).
Entingh, Daniel J.
core  

Numerical Modeling of Permeability Enhancement and Induced Seismicity during EGS Operation using a Partially Bridging Multi-stage Hydraulic Fracture design

, 2023
Enhanced geothermal systems (EGS) have emerged as an alternative energy supply that is both green and tackles climate change. Multi-stage hydraulic fractured horizontal well design is a promising design for economic EGS development. In our previous work,
Archer, Rosalind, Yu, Pengliang, Elsworth, Derek, Dempsey, David, Marone, Chris   +4 more
core  

Sequential Fracture Activation and Stress Evolution During EGS Stimulation at Utah FORGE Revealed by Waveform Cross‐Correlation

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 3, March 2026.
Abstract Mapping fracture networks in Enhanced Geothermal Systems (EGS) is essential for optimizing reservoir performance, yet complex fracture evolution during stimulation remains difficult to resolve. This study examines the evolution of microseismicity and fracture networks during stage 3 of the 2022 EGS stimulation at the Utah Frontier Observatory ...
Richard Asirifi, Xiaowei Chen, Ahmad Mohammadi, Nori Nakata, Pranshu Ratre   +4 more
wiley   +1 more source

Possibilities for electricity production from geothermal energy in Slovenia in the next decade

Geologija, 2012
This article is intended to raise awareness of the public, with the aim that anyone can judge reality and accuracyof records that appear in the media on the exploitation of geothermal energy.
Dušan Rajver, Andrej Lapanje, Nina Rman
doaj  

Fault Slip and Fluid Flow: Seismic Source Analysis to Assess Role of Multiple Slip Patches in Fault Permeability

Geophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract The relationship between fault reactivation, microearthquakes (MEQs), and permeability evolution during fluid injection plays a critical role in energy harvesting and waste disposal. Recent studies have demonstrated the possibility of predicting fault permeability using cumulative seismic moments of MEQs quantitatively.
M. E. M. Nurshal, J. Wang, P. Yu, T. Mittal, D. Elsworth   +4 more
wiley   +1 more source

In Situ Microscale Shear Failure Mechanism in Hot Dry Rock Under Thermal Cycling

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 1, January 2026.
Abstract Induced shear failure is key for enhancing hot dry rock (HDR) resource exploitation, aiming to creating an extensive fracture network. Although the macroscopic shear behavior of HDR has been extensively investigated, its microscopic shear failure mechanisms remain unclear.
Bowen Liu, Cunbao Li, Shixin Zhang, Jianjun Hu, Jie Liu, Biao Li, Heping Xie   +6 more
wiley   +1 more source

Novel thermochemical fracturing: A breakthrough in sustainable and efficient enhanced geothermal systems (EGS)

Petroleum
Enhanced geothermal systems (EGS) are crucial for accessing earth's vast geothermal potential, particularly in low-permeability formations. However, conventional EGS stimulation via hydraulic fracturing often entails high operational costs, substantial ...
Ahmed Al-Ghamdi, Amjed Hassan, Mohamed Mahmoud, Talal Al-Shafloot   +3 more
doaj   +1 more source