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"fracture network evolution"×

Utah FORGE 8-3617: Tracer Huff-Puff Tests and Geomechanical Analysis to Measure Evolution of the Fracture Network 2025 Workshop Presentation

Sep 18, 2025
84.74 MB
Publicly accessible
This is a presentation on Integrating Tracer Huff-Puff Tests and Geomechanical Analysis to Measure Evolution of the Fracture Network in EGS Reservoirs by California State University Long Beach, presented by Prof. Matthew Becker. This video slide presentation describes the use of h...
Authors
Becker, M. California State University Long Beach
geothermalenergyutah forgeegs2025 annual workshoptracer testinghuff-puff experimentsfracture network evolutiongeomechanicsthmcheat exchange areareservoir performancepresentationpresentation recordingpresentation slidesreport

Utah FORGE 8-3617: Integrating Tracer Huff-Puff Tests and Geomechanical Analysis to Measure Evolution of the Fracture Network in EGS Reservoirs 2026 Workshop Presentation

Sep 30, 2026
89.45 MB
Curated
This is a presentation on Integrating Tracer Huff-Puff Tests and Geomechanical Analysis to Measure Evolution of the Fracture Network in EGS Reservoirs by California State University Long Beach, presented by Prof. Matthew Becker. The project is evaluating huff-puff tracer testing, ...
Authors
Becker, M. California State University Long Beach
geothermalenergyutah forgeegspvttracertracer testgeomechanicalfracture networksgeothermal reservoirthmcmultiphysics modelshuff puffdts16b78-32

Utah FORGE: 2024 Discrete Fracture Network Model Data

Sep 08, 2024
1.4 GB
Publicly accessible
The Utah FORGE 2024 Discrete Fracture Network (DFN) Model dataset provides a set of files representing discrete fracture network modeling for the FORGE site near Milford, Utah. The dataset includes four distinct DFN model file sets, each corresponding to different time frames and ...
Authors
Finnila, A. and Jones, C. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgedfndiscrete fracture modellingfracturesstochastic fracturestensile fracturesdiscrete fracture network modelegsplanar fracturespermeabilityporositycompressibilitystoragemeqhydraulic stimulationmodelmodelingprocessed data

Utah FORGE 3-2417: Simulation Meshes and Results from Extended Circulation and Pulse Interference Testing

Sep 05, 2025
6.17 MB
Publicly accessible
This dataset contains numerical simulation meshes and modeling results from extended circulation and pulse interference tests conducted between Utah FORGE wells 16A(78)-32 and 16B(78)-32. The simulations were performed as part of the FOGMORE Utah FORGE project (Fiber Optic MOnitor...
Authors
Lee, S. and Ghassemi, A. Rice University
geothermalenergyutah forgeegsfogmoresimulationmeshreservoir modelingextended circulation testpulse interference testnumerical simulationmesh datapressure distributiontemperature distributionpermeability modelingstress-dependent permeabilitydiscrete fracture networkdfnfiber optic monitoring16a78-3216b78-32paraviewmodelmodel filesmodel results

Utah FORGE 5-2557: Final Report and Presentation for the Role of Fluid and Temperature in Fracture Mechanics and Coupled THMC Processes for Enhanced Geothermal Systems

Nov 30, 2025
163.74 MB
Publicly accessible
This contains a final technical report and closeout presentation recording summarizing the results from Utah FORGE Project 5-2557 on the role of fluid pressure and temperature in fracture mechanics and coupled thermo-hydro-mechanical-chemical (THMC) processes relevant to enhanced ...
Authors
Pyrak-Nolte, L. Purdue University
geothermalenergythermo-hydro-mechanical-chemicalthmcutah forgeegstechnical reportlaboratory experimentstheoretical developmentsnumerical simulationscirculation testsfracture slippermeability evolutionseismicaseismicmoose farmfriction theoryaijoint inversion

Utah FORGE 5-2565: Hydrothermal Evolution of Fracture Properties 2023 Annual Workshop Presentation

Sep 08, 2023
99.84 MB
Publicly accessible
This is a presentation on the Evolution of Permeability and Strength Recovery of Shear Fractures Under Hydrothermal Conditions project by the U.S. Geological Survey, presented by Dr. David Lockner. The project's objective was to determine how thermal, hydraulic, mechanical, and ch...
Authors
Lockner, D. et al United States Geological Survey
geothermalenergyannual workshop2023utah forgeegsfracture propertiesthmcpermeabilityfracture strengthmicromechanicalempiricalfracture modelsgeophysicsnumerical modelthermal couplingreservoir longevityfracture evolutionhydrothermalgeomechanicalgeochemicalpresentation

Utah FORGE 5-2565: Final Report on the Evolution of Permeability and Strength Recovery of Shear Fracture Under Hydrothermal Conditions

Aug 24, 2025
3.52 MB
Publicly accessible
This report discusses the results of research on the ability to create and/or reactivate and subsequently sustain fracture systems which are strongly influenced by complexly coupled mechanical (M) and chemical (C) processes in reservoirs forced from equilibrium by hydraulic stimul...
Authors
Jeppson, T. et al United States Geological Survey
geothermalenergyutah forgeegsenhanced geothermal systemsfluid-rock interactionsthmc processesfracture evolutionusgsfracturesgeothermal resorvoirsfracture reactivationthmcmechanicalchemicalhydraulic stimulationthermal drawdownfinal reporttechnical report

Utah FORGE 5-2565: Evolution of Permeability and Strength Recovery of Shear Fractures Under Hydrothermal Conditions 2024 Annual Workshop Presentation

Sep 15, 2024
82.63 MB
Publicly accessible
This is a presentation on the Evolution of Permeability and Strength Recovery of Shear Fractures Under Hydrothermal Conditions by United States Geological Survey, presented by Tamara Jeppson. This video slide presentation, by the USGS, discusses the determination of how thermal, ...
Authors
Jeppson, T. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeusgsthmcthermalhydrologicmechanicalchemicalfracture networksfractures propertiesfracturesmodes of reactionempirical fracture modelsmicromechanical

Hybrid machine learning model to predict 3D in-situ permeability evolution

Nov 22, 2022
5.58 MB
Publicly accessible
Enhanced geothermal systems (EGS) can provide a sustainable and renewable solution to the new energy transition. Its potential relies on the ability to create a reservoir and to accurately evaluate its evolving hydraulic properties to predict fluid flow and estimate ultimate therm...
Authors
Elsworth, D. and Marone, C. Pennsylvania State University
geothermalenergyegsnewberryhydraulicstimulationprocessed datamachine learningpermeability evolutionhydraulic fracturinginduced seismicityegs collabseismic data analysiswellhead pressureflow ratefracture permeabilitymicroearthquakeenhanced geothermal systems

Utah FORGE 5-2615: Final Report for the Experimental Determination and Modeling-Informed Analysis of Thermo-Poromechanical Response of Fractured Rock

Jun 30, 2025
6.17 MB
Publicly accessible
This is the final technical report documenting laboratory experiments and modeling conducted to characterize the thermo-poromechanical behavior of fractured crystalline rocks for application to Utah FORGE. The report includes measurements of poroelastic and thermo-poroelastic prop...
Authors
Ghassemi, A. The University of Oklahoma
geothermalenergyutah forgeegslaboratory experimentstechnical reportthermo-poromechanicalfracturingporoelasticthermo-poroelasticpermeability evolutionhydraulic fracturedfitmodeling resultsstressfracture mechanicsgeomechanicsblock-scalebiot effective stressclosure pressurethermal stresstransverse fracturesstimulation

Utah FORGE 3-2417: Simulations for Distributed Acoustic Sensing Strain Signatures as an Indicator of Fracture Connectivity

Jan 01, 2023
21.99 MB
Publicly accessible
This dataset encompasses simulations of strain signatures from both hydraulically connected and "near-miss" fractures in enhanced geothermal systems (EGS). The files and results are presented from the perspective of digital acoustic sensing's (DAS) potential to differentiate the t...
Authors
Ward-Baranyay, M. et al Rice University
geothermalenergyforgeutah forgeegsmilfordutahcomsoldfnmatlabsimulationnear-miss fracturedasdistributed acoustic sensingmodelingstrainfogmoregeophysicshydrogeomechanicssub-nanostraincodestimulation

Utah FORGE 3-2417: Fiber-Optic Geophysical Monitoring of Reservoir Evolution 2024 Annual Workshop Presentation

Aug 13, 2024
160.55 MB
Publicly accessible
This is a presentation on the Fiber-Optic Geophysical Monitoring of Reservoir Evolution by Rice University, presented by Jonathan Ajo-Franklin. This video slide presentation discusses the development of an end-to-end fiber-optic sensing approach for EGS to track the (1) initial zo...
Authors
Ajo-Franklin, J. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgerice universityfracture creationegsconnected mechanically compliant fracturesflowing fracturesthmdasdas microseismicpresentationvideo

EGS Collab Experiment 1: Common Discrete Fracture Network

Sep 18, 2019
5.69 MB
Publicly accessible
This package includes data and models that support hydraulic fracture stimulation and fluid circulation experiments in the Sanford Underground Research Facility (SURF). A paper by Schwering et al. (2020) describes the deterministic basis for developing a "common" discrete fracture...
Authors
Schwering, P. et al Sandia National Laboratories
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegsgeophysicsfracturenetworkdiscrete fracture networkdfnfluidflowmodeldatafluid circulationboreholeweepcoresystemenhanced geothermal systemsandia national laboratorieselectrical resistivitywellinjection testtracerdrilling

Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations

Apr 18, 2014
9.07 MB
Publicly accessible
This a report for the project "Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations". Effective enhanced geothermal systems (EGS) require optimal fracture networks for efficient heat transfer between hot rock and fluid. Microseismic mapping is a key too...
Authors
Templeton, D. et al Lawrence Livermore National Laboratory
geothermalmicroseismicegsfracture creationmappingalgorithmmicroseismicityfracturingfracturenewberry

Thermal Drawdown-Induced Flow Channeling in a Single Fracture in EGS

Nov 15, 2015
1.32 MB
Publicly accessible
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 (EGS). The channelized flow pattern associated with ubiquitous heterogeneity in fracture aperture distribution caus...
Authors
Guo, B. et al Lawrence Livermore National Laboratory
geothermalthermal drawdownsingle fracture systemthermomechanical couplingflow channelingreservoir simulationegsengineered geothermal systemsgeothermicsheat productionsingle fracturethermomechanical

Utah FORGE: Well 16A(78)-32 Simplified Discrete Fracture Network Data

Jun 01, 2021
525.86 MB
Publicly accessible
The FORGE team is making these fracture models available to researchers wanting a set of natural fractures in the FORGE reservoir for use in their own modeling work. They have been used to predict stimulation distances during hydraulic stimulation at the open toe section of well 1...
Authors
Finnila, A. Golder Associates Inc.
geothermalenergyutah forgeforgeutah geothermalreservoirengineeringhydraulicfracturingegsdfndiscrete fracture networkwell 16a78-32utahenhanced geothermal systemengineered geothermal systemfracmanroosevelt hot springsroosevelt hot springs geothermal sitemilfordprocessed datacsvwelldrillingstimulationpressuremodelmodeling

Modeling Responses of Naturally Fractured Geothermal Reservoir to Low-Pressure Stimulation

Jan 01, 2012
4.09 MB
Publicly accessible
Hydraulic shearing is an appealing reservoir stimulation strategy for Enhanced Geothermal Systems. It is believed that hydro-shearing is likely to simulate a fracture network that covers a relatively large volume of the reservoir whereas hydro-fracturing tends to create a small nu...
Authors
Fu, P. and Carrigan, C. Lawrence Livermore National Laboratory
geothermalhydraulic fracturinghydraulic shearingreservoir stimulationreservoir modelingdiscrete fracture networkenhanced geothermal systemegshydro-shearing

Seismic Analysis of Spatio-Temporal Fracture Generation During EGS Resource Development Deviatoric MT, Fracture Network, and Final Report

Sep 01, 2018
62.11 kB
Publicly accessible
This submission contains 167 deviatoric moment tensor (MT) solutions for the seismicity observed two years prior and three years post start of injection activities at The Geysers Prati 32 EGS Demonstration. Also included is a statistical representation of the properties of 751 fra...
Authors
Gritto, R. et al Array Information Technology
geothermalenergythe geysershigh temperature reservoirdeviatoric mt solutionsdeviatoricstresstensorcatalogmomentseismicityanalysisegsinjectioninducedmicroseismicityeventlocationshearstrainfracture networkfracture orientationfracture sizecaliforniacafaultfracturenetworkgeysersmicroseismichypocenterspassiveseismicmonitoringstimulationfinal reportinversionhydraulicfaultingearthquakegeophysicsgeophysical

Utah FORGE 3-2417: Fiber-Optic Geophysical Monitoring of Reservoir Evolution 2023 Annual Workshop Presentation

Sep 08, 2023
54.51 MB
Publicly accessible
This is a presentation on the Fiber-Optic Geophysical Monitoring of Reservoir Evolution at the Utah FORGE Milford Site project by Rice University, presented by Prof. Jonathan Ajo-Franklin. The project's objective was to develop an end-to-end fiber-optic sensing approach for EGS to...
Authors
Ajo-Franklin, J. et al Rice University
geothermalenergyannual workshop2023utah forgeegsdistributed fiber optic sensingdfosdasflowing fracturesfracture creationwell pairegs performancemechanically compliant fracturesend-to-endegs fracture model

Utah FORGE: Documentation on Discrete Fracture Network and Fracture Propagation Modelling

Feb 07, 2023
6.04 MB
Publicly accessible
This dataset includes reports and a slide presentation on discrete fracture network (DFN) generation and hydraulic fracture modeling at the Utah FORGE site. It details the characterization of natural fractures using well log and core data, as well as stochastic modeling techniques...
Authors
Sharma, M. and Cao, M. University of Texas
utah forgegeothermalfracture modellingdiscrete fracture modellingfracture propagation modellingutah forge fracture modellingdfnwell 16a78-32well 58-32fracture propagationegsenhanced geothermal systemsstimulationprocessed data

Utah FORGE: Discrete Fracture Network (DFN) Model (2025 v1) 3D Visualization Via the Seequent Central Public Viewer

Jan 08, 2026
664.3 kB
Publicly accessible
Visualize the Utah FORGE DFN model in three-dimensional space using the Seequent Central public viewer. 131 discrete planar fractures have been interpreted by Aleta Finnila (https://gdr.openei.org/submissions/1750) from various data sets obtained during the 2022 and 2024 stimulati...
Authors
Jones, C. and Finnila, A. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgedfndiscrete fracture networksequent3d dfnfracture model3d fracture modelsequent central public viewer3d visualizationprocessed datahydraulic stimulationmicroseismic datafracture interpretation16a78-3216b78-32planar fracturesmodelvisualizationgeophysicsgeomechanics

Utah FORGE 5-2557: Fluid and Temperature in Fracture Mechanics and Coupled THMC Processes 2023 Annual Workshop Presentation

Sep 08, 2023
64.42 MB
Publicly accessible
This is a presentation on the Role of Fluid and Temperature in Fracture Mechanics and Coupled Thermo-Hydro-Mechanical-Chemical (THMC) Processes for Enhanced Geothermal Systems project by Purdue University, presented by Distinguished Professor of Physics & Astronomy, Laura J. Pyrak...
Authors
Pyrak-Nolte, L. Purdue University
geothermalenergyannual workshop2023utah forgeegsrupture alogorithmwave motion algorithmmachine learninggeophysicsfalconthmcufalconsimulatorjoint inversioninjectionfracturingshearingpermeability evolutionpore pressure diffusiondynamic crack evolutionslipwave generationpresentation

Using Fully Coupled Hydro-Geomechanical Numerical Test Bed to Study Reservoir Stimulation with Low Hydraulic Pressure

Jan 31, 2012
6.63 MB
Publicly accessible
This paper documents our effort to use a fully coupled hydro-geomechanical numerical test bed to study using low hydraulic pressure to stimulate geothermal reservoirs with existing fracture network. In this low pressure stimulation strategy, fluid pressure is lower than the minimu...
Authors
Fu, P. et al Lawrence Livermore National Laboratory
geothermalreservoir modelinghydraulic shearinghydraulic fracturingfracturereservoir stimulationlow pressurestimulation

Utah FORGE 4-2492: Design and Implementation of Innovative Stimulation Treatments to Maximize Energy Recovery 2024 Annual Workshop Presentation

Sep 16, 2024
113.88 MB
Publicly accessible
This is a presentation on the Design and Implementation of Innovative Stimulation Treatments to Maximize Energy Recovery Efficiency by The University of Texas at Austin, presented by Mukul M. Sharma. This video slide presentation discusses the following objectives: (1) to place fr...
Authors
Sharma, M. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeegswell stimulationfracfracingfractureshorizontal wellfracture networkfracture sizeflowfracture areafracture treatmentsdfnsubsurface modelhydraulic fracturesvideopresentation

Simulating Complex Fracture Systems in Geothermal Reservoirs Using an Explicitly Coupled Hydro-Geomechanical Model

Jan 01, 2011
6.5 MB
Publicly accessible
Low permeability geothermal reservoirs can be stimulated by hydraulic fracturing to create Enhanced (or Engineered) Geothermal Systems (EGS) with higher permeability and improved heat transfer to increase heat production. In this paper, we document our effort to develop a numerica...
Authors
Carrigan, C. et al Lawrence Livermore National Laboratory
geothermalrock mechanicshydraulic fracturingenhanced geothermal systemegssimulationhydrohydrofrackingflowmodelmodelingreservoirfracking
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