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"reservoir stress state"×

Utah FORGE 2-2404: Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE 2023 Annual Workshop Presentation

Sep 08, 2023
67.53 MB
Publicly accessible
This is a presentation on the Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE project by the University of Oklahoma, presented by Dr. Ahmad Ghassemi, McCasland Chair Professor. The project's objective was to develop a methodology ...
Authors
Ghassemi, A. University of Oklahoma
geothermalenergyannual workshop2023reservoir stressstress statein-situ stressinduced seismicitymitigationstress modelingredistributionpermeability evolutionutah forgeegsreservoir stress redistribution

Utah FORGE 2-2404: Application of Advanced Techniques for Determination of Reservoir-Scale Stress State 2024 Annual Workshop Presentation

Aug 28, 2024
83.22 MB
Publicly accessible
This is a presentation on the Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at FORGE by the University of Oklahoma, presented by Ahmad Ghassemi. This video discusses how magnitude and orientation of natural in-situ principal stresses at dept...
Authors
Ghassemi, A. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgein-situ stressreservoir stress stateuniversity of oklahomadfitwellbore stressnormal-strike-slip faultgeomechanicscore testingvideopresentationegs

Utah FORGE 2-2404: The University of Oklahoma, Application of Advanced Techniques for Determination of Reservoir-Scale Stress State at Utah FORGE Final Report

Jun 30, 2025
3.73 MB
Publicly accessible
This final report summarizes the work done on Utah FORGE project 2-2404. The project aimed to develop a methodology integrating alternative well bore and core-based methods and reservoir-scale focal mechanisms (FM) to better estimate the reservoir stress at FORGE. The project obje...
Authors
Ghassemi, A. The University of Oklahoma
geothermalenergyutah forgeegswell borecore-basedfocal mechanismsreservoir stressfinal reporttechnical reportanelastic strain recoverydifferential strain curvefracture mechanicsdrilling-induced cracksnear-wellbore stress

Utah FORGE: Native State Numerical Model 2025 Update

Jan 30, 2026
456.3 MB
Publicly accessible
This dataset contains a three-dimensional native-state numerical model of the Utah FORGE site, updated in 2025, representing thermal, hydraulic, and stress conditions within the granitic reservoir and overlying sedimentary formations. The model domain extends 6 km by 6 km laterall...
Authors
Vazic, B. et al Idaho National Laboratory
geothermalenergyforgenative state modelutah forgeegsnumerical simulationgeothermal reservoirthermal-hydraulic modelingin-situ stressgranitic reservoirmoosesubsurface temperaturepore pressuremesh

Utah FORGE 2-2404: Determination of Reservoir-Scale Stress State Presentation Slides

Jul 31, 2022
4.56 MB
Publicly accessible
This PowerPoint summarizes the integration of multiple approaches and data to constrain wellbore stress models at Utah FORGE. This stress determination used faulting theory, breakouts, and drilling-induced cracks detected in image logs. Wellbore stress profiles were established f...
Authors
Ghassemi, A. et al The University of Oklahoma
geothermalenergyfracture mechanicsfocal mechanismanelastic strain recoverydfitwellborestress characterizationstress modelin-situ stresspresentationslidesinduced seismicityreservoir stressutah forgeegsimage logsfaulting theorybreakoutsdrilling-induced cracks

Utah FORGE 5-2419: Final Report and Presentation on Seismicity Permeability Relationships Probed via Nonlinear Acoustic Imaging

Sep 30, 2025
254.88 MB
Publicly accessible
This submission contains the final technical report and closeout presentation for Utah FORGE Project 5-2419, which investigates the coupled evolution of permeability and induced seismicity in enhanced geothermal systems using laboratory experiments, field observations, and nonline...
Authors
Elsworth, D. Pennsylvania State University
geothermalenergyutah forgeegspermeabilityinduced seismicitylaboratory experimentsfield observationsnonlinear acoustic imagingfault reactivationreservoir rockmicroearthquakestimulationphysics informed modelingmachine learningseismic momentstress statepermeability creationseismic hazardtechnical reportgeomechanicsgeophysicsmicroseismicity

Utah FORGE 5-2419: Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging 2025 Workshop Presentation

Sep 18, 2025
128.96 MB
Publicly accessible
This is a presentation on the Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging project by Pennsylvania State University, presented by Derek Elsworth. The project's objectives were to explore controls and acoustic signatures of aseismic through seismic ev...
Authors
Elsworth, D. Pennsylvania State University
geothermalenergyutah forgeegsseismicitypermeabilitynonlinear acoustic imagingfracture reactivationfriction stabilitystress statestimulationgeomechanics2025 annual workshoppresentationpresentation recordingpresentation slidesreport

Utah FORGE: Optimization of a Plug-and-Perf Stimulation (Fervo Energy)

Feb 08, 2023
6.91 MB
Publicly accessible
Information around the plug-and-perf treatment design at Utah FORGE by Fervo Energy. Objective and Purpose: Develop a multistage hydraulic stimulation approach designed specifically to target the top three factors that control the technical and commercial viability of an EGS sys...
Authors
Norbeck, J. et al Fervo Energy
geothermalenergyutah forgeplug-and-perf stimulationwell stimulationfervo energyplug-and-perfplug and perffervotechnicalassessmentfeasibilityhydraulicstimulationinjection testprocessed datablue mountainnevadaegswell 73-22well 34a-22well 34-22near-field egshorizontal drillingproppantheat in placestate of stressfiber optic sensing

Utah FORGE 5-2419: Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging 2023 Annual Workshop Presentation

Sep 08, 2023
225.24 MB
Publicly accessible
This is a presentation on the Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging project by Pennsylvania State University, presented by Derek Elsworth. The project's objectives were to explore controls and acoustic signatures of aseismic through seismic e...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergyannual workshop2023utah forgeegsaseismicfrictionstabilitypermeabilityshear-reactivationreservoir stimulationproductionmanagementacoustic signaturespresentationnonlinear acoustic imaging

Utah FORGE 5-2428: Fracture Permeability Impact on Reservoir Stress and Seismic Slip Behavior 2023 Annual Workshop Presentation

Sep 08, 2023
79.68 MB
Publicly accessible
This is a presentation on the Fracture Permeability Impact on Seismic Slip Behavior project by Lawrence Livermore National Laboratory, presented by Dr. Kayla A. Kroll. The project's objective is to develop, apply and validate a holistic thermal, hydrologic, mechanical, and chemic...
Authors
Kroll, K. et al Lawrence Livermore National Laboratory
geothermalenergyannual workshop2023utah forgeegsthmcinduced seismicityseismic slipearthquake simulationspressure statestress statepredictionsseismic hazardresource optimizationmitigationgeomechanicalgeochemicalslip-induced permeabilitycoupled processesfracture permeabilitypresentationstochastic parameter estimationslip simulation

Utah FORGE: Phase 3 Native State Model 2022 Update

Jul 29, 2022
326.43 MB
Publicly accessible
This is the Phase 3 native state model update. The Phase 3 numerical model represents a significant subsurface volume below the FORGE site footprint. The model domain of 4.0 km x 4.0 km x 4.2 km is located approximately between depths of 4000 to 4200 meters below land surface. Thi...
Authors
Podgorney, R. and Liu, R. Idaho National Laboratory
geothermalenergyutah forgenative state modelstresspressuretemperature16a78-3256-3258-3278-3278b-32fracturespore pressurereservoir potentialraw datasimulationmodelinputinput filesprocessed datawater

Penn State Lab Testing Fluid-Rock Interaction in Geothermal Reservoirs

Jan 01, 2018
5.53 GB
Publicly accessible
This project focused on assessment and discovery of fluid-rock interaction in geothermal reservoirs. We accomplished work in four main areas: 1) fracture formation and the relationship between fluid flow and shear failure, 2) assessment of fracture geometry and fluid permeability ...
Authors
Madara, B. et al Pennsylvania State University
geothermalenergylab testingfracture formationshear failurefluid flowfracture geometryfluid permeabilityacoustic measurementsinjectionseismicitytriaxial experimentsdynamic stressingreservoir permeabilityfracture flowpermeability evolutionacoustic fracture characterizationfrictional stabilitydynamic triggeringinjection induced seismicityinduced seismicityshear slipshear flowberea sandstonewesterly graniteegsacoustic emissionslab earthquakes

STRESSINVERSE Software for Stress Inversion

Oct 31, 2018
Size unavailable
Publicly accessible
The STRESSINVERSE code uses an iterative method to find the nodal planes most consistent with the stress field given fault frictional properties. STRESINVERSE inverts the strike, rake and dip from moment tensor solutions for the in-situ state of stress. The code iteratively solves...
Authors
Gritto, R. Array Information Technology
geothermalenergystress inversioninversionstressseismicanalysisstressinversejointfault orientationmatlabcodenumericalmomenttensorsoftwarepassivefaultfaultingearthquakeorientationgeophysicsgeophysicalmicroseismicityinducedseismicitystimulationegsinjectionfracturemonitoringhydraulicgeneration

Development of a Neutron Diffraction Based Experimental Capability for Investigating Hydraulic Fractures for EGS-like Conditions

Feb 01, 2013
385.75 kB
Publicly accessible
Understanding the relationship between stress state, strain state and fracture initiation and propagation is critical to the improvement of fracture simulation capability if it is to be used as a tool for guiding hydraulic fracturing operations. The development of fracture predict...
Authors
Polsky, Y. et al Oak Ridge National Laboratory
geothermalneutron diffractionstress statestrain statefracture initiationfracture simulationfracture predictionhydraulic fracturing neutron strain measurementhydraulic fracturingegshigh temperaturehigh pressurefracture

Utah FORGE: Phase Native State FALCON Model Files

Jun 06, 2019
11.78 MB
Publicly accessible
The submission includes FALCON input file and mesh for the an initial pressure-temperature simulation, and a second set for pressure-temperature-displacement simulation. All simulations are steady state. Data and input for the FORGE Phase 2 native state model were compiled from hi...
Authors
Podgorney, R. Idaho National Laboratory
geothermalenergyfalconforgenative stateutahroosevelt hot springsmilfordegsenhanced geothermal systemengineered geothermal systemutah forgecodesimulationscprocessed datapreprocessed dataraw datageospatial data3-d modellinggeologytemperaturestresspressurecharacterizationmodeling3-d modelinglithologymesh fileinputslithologic contacts

Utah FORGE: Laboratory Shear Experiments Linking Fault Roughness, Friction, Permeability, and P-Wave Characteristics

Aug 20, 2025
23.22 GB
Publicly accessible
This dataset contains results from five laboratory shear experiments on gneiss and granitoid samples from the Utah FORGE site, conducted at Penn State University. The experiments investigate links between fault surface roughness, frictional behavior, permeability, and P-wave acous...
Authors
Eijsink, A. et al Pennsylvania State University
geothermalenergyfrictionroughnessutah forgeegslaboratory datamodeled datashear experimentsfault mechanicspermeabilityp-waveacoustic transmissivityfault roughnessrate-and-state frictionbiaxial deformationgneissgranitoidoptical profilometrykeyencersfit3000mechanical dataacoustic datafault zone propertiesgeomechanicsrock physicsgeothermal reservoir characterization

Utah FORGE 2-2439v2: A Multi-Component Approach to Characterizing In-Situ Stress Final Report

Dec 22, 2025
2.43 MB
Publicly accessible
This comprehensive technical report documents a multi-component approach to in-situ stress characterization at the Utah FORGE EGS site that integrates Machine Learning (ML) methods for predicting near-well principal stresses around geothermal wells with the physics-based finite el...
Authors
Bunger, A. et al University of Pittsburgh
geothermalenergyin-situ stress estimationutah forgewave velocitythermo-poro-elastic modelingmachine learningegsnear-wellbore stressfar-field principal stressstress anisotropyphysics-based modelingfinite element modelingsonic logtuvtechnical reportreservoir characterization

Processed Lab Data for Neural Network-Based Shear Stress Level Prediction

May 14, 2021
6.01 MB
Publicly accessible
Machine learning can be used to predict fault properties such as shear stress, friction, and time to failure using continuous records of fault zone acoustic emissions. The files are extracted features and labels from lab data (experiment p4679). The features are extracted with a n...
Authors
Marone, C. et al Pennsylvania State University
geothermalenergymatlabgeophysicsseismiccodeprocessed datamicroseismicityaiartificial intelligencedeep learningmachine learningacousticsacoustic emissionsseismic forcastingseismic predictionfaultfault propertiesshear stresstime to failureexperimentexperimental datalab databiaxial shear experimentbiaxial shear apparatusfriction

Washington Play Fairway Analysis Poly 3D Matlab Fault Modeling Scripts with Input Data to Create Permeability Potential Models

Feb 05, 2015
31.29 MB
Publicly accessible
Matlab scripts and functions and data used to build Poly3D models and create permeability potential GIS layers for 1) Mount St. Helens seismic zone, 2) Wind River Valley, and 3) Mount Baker geothermal prospect areas located in Washington state.
Authors
Swyer, M. AltaRock Energy Inc
geothermalexplorationprospectpoly3dstress modelpermeability potentialslip tendencydilation tendencymicro-seismicityfault modelmatlabcascade rangewind river valleyplay fairwaywashington statewashingtonfavorabilityuncertaintysensitivitylowessdisplacementdisplacement gradientmaximum coulomb shear stresssigma 3mount st. helens seismic zonemount bakerdilation tencency24k geologic fault mappingmt baker100k geologic fault mappingmodelingmodelscriptcodepermeabilityfaultstructuralfeaturesgeologypfa

Seismic Analysis of Spatio-Temporal Fracture Generation During EGS Resource Development Full Moment Tensors and Stress Inversion Catalogs

Sep 26, 2018
51.03 kB
Publicly accessible
This submission contains 167 full moment tensor (MT) solutions for the seismicity observed two years prior and three years post start of injection activities. Also included are the azimuth and plunge angles for the three main stress directions sigma1, sigma 2 and sigma 3 at the P...
Authors
Gritto, R. et al Array Information Technology
geothermalenergyseismic moment tensorstress orientationstress changesinversiongeysersegsenhanced geothermalazimuthplungemincroseismicityinjectionstimulationreservoirthe geysershigh temperature reservoirfull mtsolutionspassiveseismicseismicitymicroseismicitymonitoringarraymomenttensorcataloganalysisinducedstressprati 32demonstrationfracturespatio-temporalgenerationresourcedevelopmenthydraulicfaultingfaultearthquakegeophysicsgeophysical

Utah FORGE: Fault Reactivation Through Fluid Injection Induced Seismicity Laboratory Experiments

Jul 01, 2023
119.91 MB
Publicly accessible
Included are results from shear reactivation experiments on laboratory faults pre-loaded close to failure and reactivated by the injection of fluid into the fault. The sample comprises a single-inclined-fracture (SIF) transecting a cylindrical sample of Westerly granite. All expe...
Authors
Yu, J. et al Pennsylvania State University
energyinduced seismicityegsutah forgewesterly graniteraw datacodematlabfault activationinjection testpressureflow ratereactivationshearfluid

Utah FORGE: Fault Shear Reactivation Experimental Data for Fluid Injection-Rate Controls on Seismic Moment

Nov 07, 2023
12.98 MB
Publicly accessible
Included are experimental data recorded from shear experiments that specifically explore the link between fluid-injection rate and seismic moment resulting from shear reactivation of laboratory faults. Raw mechanical data from three experiments are included alongside corresponding...
Authors
Roseboom, M. et al Pennsylvania State University
geothermalenergyinduced seismicityinjection rateegsseismic momentgeomechanicsgeophysicsutah forgeshearmatlabshear experimentsraw datacodecore experimenttemcoconfining pressurepore pressureaxial pressureshear displacementfracturealong-fault pressureconstant shear stress

Utah FORGE 5-2428: Coupled Investigation of Fracture Permeability Impact on Reservoir Stress and Seismic Slip 2024 Annual Workshop Presentation

Aug 27, 2024
99.9 MB
Publicly accessible
This is a presentation on the Coupled Investigation of Fracture Permeability Impact on Reservoir Stress and Seismic Slip Behavior by Lawrence Livermore National Laboratory, presented by Kayla Kroll. This presentation addresses testing and modelling related to the dependency of EG...
Authors
Kroll, K. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeegsgeomechanicsfracturesvelocity step testfluid pressureshear fracture strengthcore flood testspermeabilitylaser profilometryreservoir modellinglawrence livermore national laboratoryllnlvideopresentation

Utah FORGE: Earth Model Native State Simulation Results

Jul 16, 2019
6.69 MB
Publicly accessible
Utah FORGE phase 2C Native State Simulation zip contains the data used for the boundary conditions and subsequent native state simulation results obtained using the simulation code FALCON. Data are from the nodes of the simulation domain, with used a uniform 50m spacing over a 250...
Authors
Podgorney, R. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeforgeutah geothermalnative state simulationfalconearth modelsimulationmilfordroosevelt hot springsegsanisotropic permeability and porositypermeabilityporositynative statedfnidaho national laboratoryinlmodelingmodellingreservoirparametersproperties

Utah FORGE 2-2439v2: A Multi-Component Approach to Characterizing In-Situ Stress 2025 Workshop Presentation

Sep 18, 2025
70.04 MB
Publicly accessible
This is a presentation on A Multi-Component Approach to Characterizing In-Situ Stress at the U.S DOE FORGE EGS Site: Laboratory, Modeling and Field Measurement project by University of Pittsburgh, presented by Dr. Andrew Bunger. The project's objective was to characterize stress i...
Authors
Bunger, A. University of Pittsburgh
geothermalenergyutah forgeegsin-situ stresscharacterizationstress modelinglaboratory testingmachine learningsonic loganalysismini-frac testing2025 annual workshoppresentationpresentation recordingpresentation slidesreport
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