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Federal
Improved Microseismicity Detection During Newberry EGS Stimulations
Department of Energy —
Effective enhanced geothermal systems (EGS) require optimal fracture networks for efficient heat transfer between hot rock and fluid. Microseismic mapping is a key... -
Federal
Utah FORGE 2-2446: Report on Phase Field Modelling of Near-Wellbore Hydraulic Fracture Nucleation and Propagation
Department of Energy —
This is a report that describes the modelling of fracture nucleation and propagation in the near-wellbore region to understand the relationship between in situ stress... -
Federal
Utah FORGE 5-2428: Fracture Permeability Impact on Reservoir Stress and Seismic Slip Behavior - 2025 Workshop Presentation
Department of Energy —
This is a presentation on the Fracture Permeability Impact on Seismic Slip Behavior project by Lawrence Livermore National Laboratory, presented by Dr. Kayla A.... -
Federal
Utah FORGE 2-2446: Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity - Workshop Presentation
Department of Energy —
This is a presentation on the Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity project by Lawrence Livermore National Laboratory,... -
Federal
Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations
Department of Energy —
This a report for the project "Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations". Effective enhanced geothermal systems (EGS) require... -
Federal
Simulation Tools for Modeling Thermal Spallation Drilling on Multiple Scales
Department of Energy —
Widespread adoption of geothermal energy will require access to deeply buried resources in granitic basement rocks at high temperatures and pressures. Exploiting... -
Federal
Walker Ranch 3D Seismic Images
Department of Energy —
Amplitude images (both vertical and depth slices) extracted from 3D seismic reflection survey over area of Walker Ranch area (adjacent to Raft River). Crossline... -
Federal
Chlorite, Biotite, Illite, Muscovite and Feldspar Dissolution Kinetics at Variable pH and Temperatures up to 280 deg C
Department of Energy —
Chemical reactions pose an important but poorly understood threat to EGS long-term success because of their impact on fracture permeability. This report summarizes... -
Federal
Utah FORGE: Powder X-ray Diffraction Data from Well 16A(78)-32 Core
Department of Energy —
This dataset from Lawrence Livermore National Laboratory (LLNL) consists of four raw X-ray diffraction (XRD) scans and preliminary results of quantitative XRD... -
Federal
Geomechanical Modeling for Thermal Spallation Drilling
Department of Energy —
Wells for Engineered Geothermal Systems (EGS) typically occur in conditions presenting significant challenges for conventional rotary and percussive drilling... -
Federal
Sustainable Self-Propping Shear Zones in EGS: Chlorite, Illite, and Biotite Rates and Report
Department of Energy —
Spreadsheet containing chlorite, illite, and biotite rate data and rate equations that can be used in reactive transport simulations. Submission includes a report on... -
Federal
Newberry EGS Seismic Velocity Model
Department of Energy —
We use ambient noise correlation (ANC) to create a detailed image of the subsurface seismic velocity at the Newberry EGS site down to 5 km. We collected continuous... -
Federal
Utah FORGE 2-2446: Connecting In Situ Stress and Wellbore Deviation to Near-Well Fracture Complexity using Phase-Field Simulations
Department of Energy —
This report presents a series of numerical experiments investigating the relationships among near-well fracture complexity, in situ stress conditions, and wellbore... -
Federal
Simulating Complex Fracture Systems in Geothermal Reservoirs Using an Explicitly Coupled Hydro-Geomechanical Model
Department of Energy —
Low permeability geothermal reservoirs can be stimulated by hydraulic fracturing to create Enhanced (or Engineered) Geothermal Systems (EGS) with higher permeability... -
Federal
Thermal Drawdown-Induced Flow Channeling in a Single Fracture in EGS
Department of Energy —
The evolution of flow pattern along a single fracture and its effects on heat production is a fundamental problem in the assessments of engineered geothermal systems... -
Federal
Investigation of Stimulation-Response Relationships for Complex Fracture Systems in Enhanced Geothermal Reservoirs
Department of Energy —
Hydraulic fracturing is currently the primary method for stimulating low-permeability geothermal reservoirs and creating Enhanced (or Engineered) Geothermal Systems... -
Federal
Chemical Impact of Elevated CO2 on Geothermal Energy Production
Department of Energy —
Numerical simulations have shown that the use of supercritical CO2 instead of water as a heat transfer fluid yields significantly greater heat extraction rates for... -
Federal
Chlorite Dissolution Rates From 25 to 275 degrees and pH 3 to 10
Department of Energy —
We have calculated a chlorite dissolution rate equation at far from equilibrium conditions by combining new data (20 experiments at high temperature) with previously... -
Federal
Utah FORGE 2-2446: Report on Laboratory Block Experiments with Six Different Combinations of Stresses and Rock Fabrics
Department of Energy —
This report documents a series of block-scale hydraulic fracturing experiments, simulating Utah FORGE conditions to investigate how different combinations of in situ... -
Federal
EGS Collab Experiment 1: Circulation Testing Processed data
Department of Energy —
This submission includes processed and reduced data for circulation testing that was conducted at the 164' fracture on the 4850 ft level of the Sanford Underground...