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Stimulation and Microseismicity×

Utah FORGE: Fiber Optic Cumulative Strain Change and Strain Change Rate Data From Well 16A Stimulation at Well 16B

Nov 06, 2024
2.83 GB
Publicly accessible
This dataset includes Rayleigh Frequency Shift (RFS) Distributed Strain Sensing (DSS) cumulative strain change and change rate data. The data was acquired during the stimulation of Utah FORGE Well 16A(78)-32 in April 2024 via fiber installed in Well 16B(78)-32. The fiber optic da...
Authors
Khatara, S. et al Neubrex Energy Services (US), LLC
geothermalenergyh5hdf5rayleigh frequency shiftrfsdssdistributed strain sensingfiber optic sensingneubrexsr7000utah forgeegsstimulationfar field strain changestrain responsecumulative strainstrain change rate16a16bhydraulic fracturingprocessed datageophysicsstrainstrain ratefractures

Utah FORGE: Well 16A(78)-32 Hydraulic Fracturing Stage 8 Crosswell Strain FDI and Microseismic Presentations April 2024

Nov 07, 2024
96 MB
Publicly accessible
This is a pair of PowerPoint presentations from Neubrex Energy Services (US), LLC. The presentations review work done in April 2024 on crosswell strain fracture driven interactions (FDI) and microseismic event monitoring during hydraulic fracturing in stage 8 of Utah FORGE well 16...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergywell 16a16acrosswell strainfdimicroseismicneubrexstrainstrain raterfs strain16bfar field strainfracture driven interactionsstage 8utah forgeegsprocessed datatechnical reportcrosswellhydraulic fracturingstimulation16a78-3216b78-32fiber optic sensingdistributed strain sensingdssgeophysics

Utah FORGE: 16B(78)-32 RFS DSS Strain Change Rate and Selected FDIs During 16A(78)-32 Stimulation

Mar 02, 2025
2.11 MB
Publicly accessible
This dataset contains strain change rate versus depth data acquired using a Rayleigh frequency shift (RFS) distributed strain sensing (DSS) system during hydraulic stimulation of well 16A(78)-32 at the Utah FORGE site in April 2024. The data were collected from an optical fiber in...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergyutah forgeneubrexstrain frac logfiber opticsmicrostrainstraincumulative strain change ratestrain change16a78-3216b78-32egshydraulic stimulationfiber optic sensingstrain change raterfsdssrayleigh frequency shiftdepth profileprocessed datafrac loggeomechanicsfracture driven interactionsfdifrac hitsperforation clustercross-well strain monitoring

Hydroshear Simulation Lab Test 3.2

Aug 01, 2014
5.88 MB
Publicly accessible
This data file is for the hydroshear simulation lab test 3.2. The two previous hydroshear simulation lab tests are linked in the resources section as GDR submissions. In this test a sample of granite with a pre-cut (man made fracture) is confined, heated and differential stress is...
Authors
Bauer, S. Sandia National Laboratories
geothermalhydroshearstimulationgranitelab testprecut fracturegeophysicsshearshear testinghydroshear testingdifferential stresssimulationfractureegs

Utah FORGE: Stimulation Crosswell Strain Response Fiber Optic Monitoring Report April 2024

Apr 03, 2024
6.43 MB
Publicly accessible
This report documents the use of fiber optic Rayleigh frequency shift (RFS) Distributed Strain Sensing (DSS), Distributed Temperature Sensing (DTS), and microseismic data recorded during the hydraulic fracture stimulation of well 16A(78)-32, as detected in the offset well 16B(78)-...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergystrainmicro seismicdtsdssrfs dsshydraulic fracturingfault reactivationfracture driven interactionfdifrac hitsdistributed temperature sensingdistributed strain sensingprocessed datareportutah forgeneubrexcrosswellfiber optic monitoringgeophysicsstimulation

Utah FORGE: Tensor Strainmeter Data for the April, 2024 Stimulation of Wells 16A(78)-32 and 16B(78)-32

Sep 09, 2025
4.44 MB
Publicly accessible
This dataset contains time series data from the four Tensor Optical Fiber Strainmeters at Utah FORGE, recorded during all stages of the April 2024 hydraulic stimulations of wells 16A(78)-32 and 16B(78)-32. The data span from midnight UTC on April 4 through April 18, 2024, and are ...
Authors
Murdoch, L. Clemson University
geothermalenergystrainstrainmeterutah forgetensor strainstimulationforgeoptical fiberegshydraulic stimulationprocessed data16a78-3216b78-32strain datageomechanicstime seriesbarometric pressureslurry ratetreatment pressuregeothermal reservoirstimulation monitoring

Utah FORGE 3-2514: Final Report and Presentation on a Strain Sensing Array to Characterize Deformation

Dec 25, 2025
115.35 MB
Publicly accessible
This dataset contains the final technical report and closeout presentation for the project A Strain Sensing Array to Characterize Deformation at the Utah FORGE Site, carried out from 2021 to 2025 by Clemson University in collaboration with the U.S. Geological Survey and UNAVCO. Th...
Authors
Murdoch, L. Clemson University
geothermalenergyutah forgeegstensor strainmeter arraydeformationhydraulic stimulationinstrument fabricationfield installationlaboratory validationhigh-temperaturehigh-pressurestrainmeterstrain datacalibrationgeophysicsgeomechanicstechnical report

Utah FORGE: Neubrex Well 16B(78)-32 Stimulation and Circulation Fiber Optics Reports Summer, 2024

Sep 25, 2024
13.26 MB
Publicly accessible
This zip file contains reports discussing the use of fiber optics during well 16B(78)-32 stimulation and circulation tests in the summer of 2024. The reports cover the collection of strain rate and temperature change data during these well events. Theory, methods, and initial dat...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergyutah forgefiber opticsneubrexwell 16b78-32well 16bcirculation testtemperature monitoringstrain monitoringstrain change ratemicro-strainrayleighdistributed strain sensingdtsdssstimulationcirculationreportpresentaton slidesdata visualization

Utah FORGE 3-2535: Report on Geodetic Observations of Fracture Development During April 2024 Stimulations

Apr 28, 2025
1.29 MB
Publicly accessible
This report presents geodetic observations from the April 2024 stimulations at the Utah FORGE site, as part of LBNL FORGE Project 3-2535. It focuses on Distributed Strain Sensing (DSS) data from an optical fiber in well 16B, capturing localized strain linked to fracture propagatio...
Authors
Vasco, D. et al Lawrence Berkeley National Laboratory
geothermalenergyutah forgeegsdistributed strain sensingdssfiber-optic sensingmicroseismicityfracture stimulationgeodetic monitoringinsarsubsurface deformationhydraulic fracturingseismicityfracture modelingreservoir characterizationtechnical reportprocessed dataapril 2024stimulation

Utah FORGE: Well 16B(78)-32 Extended Dual Well Circulation Testing Fiber Optic Monitoring Report August 2024

Aug 30, 2024
10.95 MB
Publicly accessible
This report documents the post-hydraulic fracturing extended circulation test between Utah FORGE wells 16A and 16B conducted in August 2024. In well 16B, fiber optic measurements of Rayleigh frequency shift distributed strain sensing (RFS-DSS) and distributed temperature sensing ...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergycirculation testscross well circulationfiber opticsrfs dssdtsstrain changethermal sluggingthermal strainpltproduction logging toolutah forgeegsstimulaitonhydraulic fracturingdssdistributed temperature sensingdistributed strain sensingfiber optic monitoringprocessed datatechnical reportneubrexgeophysics16b78-32

Utah FORGE: Well 16B(78)-32 Post Hydraulic Fracturing 9 Hour Dual Well Circulation Test Fiber Optic Monitoring Report April 2024

Apr 27, 2024
5.78 MB
Publicly accessible
This report examines the fiber optic measurements made on the Utah FORGE well 16B(78)-32 after it and well 16A(78)-32 were hydraulically stimulated and shortly thereafter a 9 hour cross well circulation test was run between them. The report reviews distributed fiber optic signal p...
Authors
Guzik, A. and Davidson, E. Neubrex Energy Services (US), LLC
geothermalenergyfiber opticsneubrexstraintemperatureflow testcirculationhydraulic fracturingutah forgeegsrayleigh frequency shiftrfsdistributed strain sensingdsspumpingdischargeprocessed datareport16b78-3216a78-32distributed fiber opticsfiber optic monitoring

Utah FORGE 3-2514: A Strain Sensing Array to Characterize Deformation at the FORGE Site 2023 Annual Workshop Presentation

Sep 08, 2023
66.85 MB
Publicly accessible
This is a presentation on the Strain Sensing Array to Characterize Deformation at the FORGE Site project by Clemson University, presented by Lawrence Murdoch. The project's objective was to evaluate the feasibility of measuring and interpreting tensor strain data to improve the pe...
Authors
Murdoch, L. et al Clemson University
geothermalenergyannual workshop2023utah forgeegsfeasibilitystrain tensor datatensor strainmeterdeformationgeomechanical modelsclosed-form modelnumerical forward modelinversionstimulationwell testingproductionhigh-temperature tensor strainmeterreservoir characterizationmodel calibration

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 1-2410: Final Report on the Development of a Smart Completion and Stimulation Solution

Aug 21, 2025
982.73 kB
Publicly accessible
This report details the work Welltech has done to provide true zonal isolation of the geothermal reservoir across multiple zones and cycles, enabling effective stimulation and repeated treatments of selected zones. The project included a literature review, small-scale experimentat...
Authors
Esqutin, Y. Welltech Inc.
geothermalenergyutah forgewelltechisolation toolsmetal expandable packerhthpannular isolationwell integretyzonal isolationstimulationzonal treatmentsmall-scalefull-scaledocumentationfinal reporttechnical report

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: Neubrex Well 16B(78)-32 DAS Data April 2024

Oct 01, 2024
97.48 TB
Publicly accessible
This dataset comprises Distributed Acoustic Sensing (DAS) data collected from the Utah FORGE monitoring well 16B(78)-32 (the producer well) during hydraulic fracture stimulation operations conducted in April 2024. The data were acquired continuously over the stimulation period at ...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergydasacoustic sensingmicroseismiccrosswell strain ratefracture driven interactionsfdidistributed acoustic sensinginjection allocationstrain rateutah forgeegsstimulation16b 78-3216a 78-32mircroseismicityneubrexraw datahdf5h5time gated

Utah FORGE 9-3664: Development of Tagged Proppant for Conductivity Enhancement and Reservoir Characterization 2024 Annual Workshop Presentation

Sep 03, 2024
36.3 MB
Publicly accessible
This is a presentation on the Development and Testing of Tagged Proppant for Fracture Conductivity Enhancement and Reservoir Characterization in EGS by The University of Oklahoma, presented by Ahmad Ghassemi. This slide presentation video discusses the development and testing of n...
Authors
Ghassemi, A. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeuniversity of oklahomafracingfracstimulationvideoslidespresentationproppantsproppant testingwell stimulationegs

Utah FORGE 4-2492: Final Report and Presentation on Innovative Stimulation Design and Fiber-Optic Diagnostics to Maximize Energy Recovery Efficiency

Dec 31, 2025
285.14 MB
Publicly accessible
This dataset contains the final technical report and closeout presentation for Utah FORGE Project 4-2492, which investigated advanced stimulation design and diagnostic approaches to improve fracture uniformity, inter-well connectivity, and energy recovery efficiency in enhanced ge...
Authors
Sharma, M. The University of Texas at Austin
geothermalenergyutah forgeegsstimulation designfracture uniformitywell connectivityenergy recovery efficiencytechnical reportstimulationcirculation test16a16bdistributed fiber-optic sensingdtsdasdistributed strainnumerical modelingfracture growthfmitracerfracture geometrygeomechanicsgeophysics

Utah FORGE: Phase 1a Tensor Strainmeter Data for the April, 2022 Stimulation of Well 16A(78)-32

Sep 15, 2022
26.41 MB
Publicly accessible
Data from two Tensor Optical Fiber Strainmeters that were operational during Stages 1, 2, and 3 of the April, 2022 stimulation of well 16A(78)-32. Each csv file contains data from each stimulation stage (stage1, stage2, stage3) for both Phase 1a strainmeter installations (FS01, f...
Authors
DeWolf, S. and Murdoch, L. Clemson University
geothermalenergystrainstrainmeterutah forgetensor strainwell 16a78-32 stimulationstimulationforgefiberopticalegs

Utah FORGE: Seismic DAS and Geophone Borehole Data Processing and 3D Imaging of Vp/Vs Ratio in the 2024 Stimulated Reservoir

Mar 17, 2025
1.28 MB
Publicly accessible
This dataset includes a final report and a 3D velocity model derived from seismic DAS and geophone borehole data collected during the April 2024 stimulation of the reservoir at Utah FORGE. The report details the processing of over 50,000 P and S-wave travel times used in a tomogra...
Authors
Gritto, R. and Jarpe, S. EMR Solutions and Technology
geothermalenergyutah forgeegsseismic borehole datadistributed acoustic sensingdasgeophone3d tomographytomographyp-wave velocitys-wave velocityvp/vs ratiovp/vsreservoir stimulationinduced seismicitywadati analysistravel-time inversioninversionfracturing fluids16a16bearthquake clustersubsurface imaginggeophysics

Raw Neutron Scattering Data for Strain Measurement of Hydraulically Loaded Granite and Marble Samples in Triaxial Stress State

May 23, 2014
22.11 MB
Publicly accessible
This entry contains raw data files from experiments performed on the Vulcan beamline at the Spallation Neutron Source at Oak Ridge National Laboratory using a pressure cell. Cylindrical granite and marble samples were subjected to confining pressures of either 0 psi or approximate...
Authors
Polsky, Y. Oak Ridge National Laboratory
geothermalneutronstrainhydraulic fracturingegsdiffractiongranitemarbletriaxialhydraulic fracturestressneutron scatteringvulcan beamline

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: Laboratory Fault Reactivation and Permeability Evolution During Fluid Injection

Sep 15, 2025
182.35 GB
Publicly accessible
This dataset contains results from controlled shear reactivation experiments performed on cylindrical Westerly and granitoid granite samples with a single inclined fracture. Laboratory faults were pre-loaded near failure and reactivated by fluid injection to examine relationships ...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergyinduced seismicityutah forgewesterly granitegranitoidpermeabilityshear stimulationegsfault reactivationfluid injectionpermeability evolutionseismicityacoustic emissionssingle inclined fractureshear stresspore pressuretriaxial testingmechanical datageomechanicsraw dataprocessed dataacoustic data

Utah FORGE: Phase-Picking Based Microseismic Event Catalog April 2024 Stimulation

Feb 19, 2026
1.73 MB
Publicly accessible
This catalog contains microseismic event locations recorded during the April 2024 stimulation at the Utah FORGE site. Events were detected and located using a phase-picking workflow that integrates downhole geophones (wells 56 and 78B) and downhole DAS (well 16B). P and S-wave arr...
Authors
Zhu, W. et al University Of Utah
geothermalenergyapril 2024 stimulationforgeutahmicroseismic event locationsutah forgeuniversity of utahseismicaimachine learningdata-driven decisionscommunity safteyinfrastructure protectionproactive risk mitigationimproved safteyimmediate responsestimulationfracingground motionseismic hazardsegsevent catalogmlprocessed datareservoir characterizationhydraulic fracturinggeomechanicsgeophysics

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
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