Utilizing supercritical geothermal systems: a review of past ventures and ongoing research activities
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 …
located at depths near or below the brittle–ductile transition zone in the crust where the …
Supercritical geothermal systems-a review of past studies and ongoing research activities
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 …
located at depths near or below the brittle-ductile transition zone in the crust where the …
Experimental design for hydrofracturing and fluid flow at the DOE EGS collab testbed
We describe our overall objectives and approach to designing the first experimental testbed
of the EGS Collab project. This first phase of the project entails site characterization, drilling …
of the EGS Collab project. This first phase of the project entails site characterization, drilling …
Seismic monitoring of the STIMTEC hydraulic stimulation experiment in anisotropic metamorphic gneiss
CM Boese, G Kwiatek, T Fischer, K Plenkers… - Solid Earth …, 2021 - se.copernicus.org
In 2018 and 2019, the STIMTEC hydraulic stimulation experiment was conducted at 130 m
depth in the Reiche Zeche underground research laboratory in Freiberg/Germany. The …
depth in the Reiche Zeche underground research laboratory in Freiberg/Germany. The …
The distribution, orientation, and characteristics of natural fractures for Experiment 1 of the EGS Collab Project, Sanford Underground Research Facility
The EGS Collab project is focused on understanding and predicting permeability
enhancement and evolution in crystalline rocks. To accomplish this, the project is creating a …
enhancement and evolution in crystalline rocks. To accomplish this, the project is creating a …
Slip tendency analysis of fracture networks to determine suitability of candidate testbeds for the EGS Collab hydroshear experiment
Experiment 2 of the EGS Collab project is aimed at testing stimulation by hydro-shearing of
existing natural fractures, versus Experiment 1, which is focused on hydraulic fracturing a …
existing natural fractures, versus Experiment 1, which is focused on hydraulic fracturing a …
[PDF][PDF] Numerical simulation applications in the design of EGS Collab Experiment 1
ABSTRACT The United States Department of Energy, Geothermal Technologies Office
(GTO) is funding a collaborative investigation of enhanced geothermal systems (EGS) …
(GTO) is funding a collaborative investigation of enhanced geothermal systems (EGS) …
Results of multiple tracer injections into fractures in the EGS collab testbed-1
G Neupane, ED Mattson, MA Plummer, RK Podgorney - 2020 - osti.gov
The EGS Collab project constructed an intermediate scale (~ 10-20 m) testbed at the 4850
level of the Stanford Underground Research Facility (SURF) in South Dakota for testing and …
level of the Stanford Underground Research Facility (SURF) in South Dakota for testing and …
Coupled Thermo–Hydro–Mechanical–Seismic Modeling of EGS Collab Experiment 1
J Lu, A Ghassemi - Energies, 2021 - mdpi.com
An important technical issue in the enhanced geothermal system (EGS) is the process of
fracture shear and dilation, fracture network propagation and induced seismicity. EGS …
fracture shear and dilation, fracture network propagation and induced seismicity. EGS …
[PDF][PDF] Modeling transport of multiple tracers in hydraulic fractures at the EGS Collab test site
Q Zhou, CM Oldenburg… - … , 43rd Workshop on …, 2018 - pangea.stanford.edu
Hydraulic fracturing is planned to be performed at the EGS Collab Test site located in a drift
(tunnel) at the Sanford Underground Research Facility (SURF) at a depth of 4,850 feet …
(tunnel) at the Sanford Underground Research Facility (SURF) at a depth of 4,850 feet …