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"Rayliegh Frequency Shift DIstributed Strain Sensing"×

Utah FORGE: Neubrex Well 16B(78)-32 Cementing and Circulation Fiber Optics Monitoring Reports July, 2023

Oct 21, 2023
11.75 MB
Publicly accessible
Included here are two fiber optics monitoring reports on Utah FORGE well 16B(78)-32 from Neubrex Energy Services. These reports review the fiber optics monitoring during both the cementing and circulation test periods of the well. Cementing as well as post-cementing monitoring a...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergyutah forgewell 16b78-32well 16b78-32 monitoringcirculation testcirculation fiber optics monitoringcement pumping fiber optics monitoringneubrex energy servicesneubrexcement pumpingwell 16b16bwell 16b78-32 testingfiber optics monitoringfiber opticsdasdtsdistributed acoustic sensingdistributed temperature sensingdepth calibrationproduction wellegsdssdistributed strain sensingrfs dssrayliegh frequency shift distributed strain sensing

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: 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: 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

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: 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: Neubrex RFS DSS Fiber Optic Strain Data from Well 16B(78)-32 August 2025 Circulation and Huff-and-Puff Tests

Mar 26, 2026
10.33 GB
Publicly accessible
This dataset contains processed Neubrex Rayleigh Frequency Shift Distributed Strain Sensing data acquired in well 16B(78)-32 at the Utah FORGE site during August 2025 field operations. The data were collected during cross-well circulation testing from well 16A to well 16B and subs...
Authors
Guzik, A. et al Neubrex Energy Services (US), LLC
geothermalenergyfiber opticsstraindtsdastemperatureacousticshuffpuffcirculationcoiled tubingsingle modemulti modegaugeutah forgeegsneubrexrayleigh frequency shiftrfsdistributed strain sensingdssfiber optic sensingprocessed dataprodmlhdf5strain changestrain change rate16b78-32circulation testhuff and puffgeophysics

Distributed Acoustic Sensing (DAS) of Strain at Earth Tide Frequencies: Laboratory Tests

Jan 24, 2018
1.09 GB
Publicly accessible
The solid Earth strains in response to the gravitational pull from the Moon, Sun, and other planetary bodies. Measuring the flexure of geologic material in response to these Earth tides provides information about the geomechanical properties of rock and sediment. Such measurements...
Authors
Coleman, T. and Becker, M. California State University
geothermalenergyearth tidedasdistributed acoustic sensingfiber optics sensorslow frequency straingeomechanicsmeasurementmatlabegslab testsfracturecharacterizationhydraulicstimulation strain

Utah FORGE: Well 16B(78)-32 DTS, RFS DSS Strain, and Absolute Strain Circulation Test Fiber Optic Data August 2024

Aug 30, 2024
1.99 GB
Publicly accessible
This dataset contains processed fiber optic measurements collected during the extended cross-well circulation test at the Utah FORGE site in August 2024. The data was acquired from the 16B(78)-32 well using distributed fiber optic sensing (DFOS) technology, including distributed t...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergyfiber opticstraintemperaturerfs dssbrillouinramanabsolute straincirculation testaugust 2024neubrexneubrex energy servicesflowbackcrosswell flowsingle mode fibermulti mode fiberdfoshdf516b78-3216a78-32depth calibrationcrosswell circulationutah forgeegsfiber optic sensingdtsdssbrillouin straincross-well circulation teststrain changestrain change ratestrain rate

Utah FORGE: Neubrex Well 16B(78)-32 Circulation Test Fiber Optics Monitoring Data and Reports July, 2023

Oct 31, 2023
3.36 GB
Publicly accessible
This dataset features Distributed Acoustic Sensing (DAS) and fiber optics monitoring data acquired by Neubrex Energy Services during the Utah FORGE Well 16B(78)-32 circulation test in July 2023. DAS and fiber optic monitoring data include absolute strain, strain change, strain ch...
Authors
Jurick, D. and Guzik, A. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgewell 16b78-3216b78-3216bfiber opticstemperaturestrainstrain change rateacousticdtsdssdasmicro-strainpressureacoustic sensingegsstrain ratedistributed temperature sensingfbeneubrexdistributed acoustic sensingprocessed datareport

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 Stimulation Fiber Optic Monitoring Reports April and May, 2024

Apr 30, 2024
12.82 MB
Publicly accessible
These reports contain information on the distributed temperature sensing (DTS), distributed strain sensing (DSS), and pressure monitoring during the stimulation of Well 16(B)78-32 at Utah FORGE, in April and May 2024. Reports include information on data collection and calibrations...
Authors
Jurick, D. and Guzik, D. Neubrex Energy Services (US), LLC
geothermalenergyutah forgewell stimulationfracingtemperaturestrainstrain modelingfdineubrexpressure16b78-3216b78-32 stimulationutah forge 2024 stimulationdtsdssegstechnical reportreportprocessed data

Utah FORGE 3-2417: Low Frequency Distributed Acoustic Sensing Data from 16A/16B Stimulation April, 2024

Jul 23, 2025
37.13 GB
Publicly accessible
This dataset contains processed low-frequency Distributed Acoustic Sensing (LF-DAS) data collected between April 2 and April 12, 2024, during the Utah FORGE stimulation sequence involving wells 16A and 16B. The DAS measurements were acquired using a Silixa Carina interrogator unit...
Authors
Zhu, R. et al Rice University
geothermalenergyutah forgeegsenhanced geothermal systemsdistributed acoustic sensingdaslow-frequency dasfiber optic sensingsilixa carinafogmorewell 16bstimulationnanostraindfostime-series dataprocessed datasubsurface monitoringseismiclf-dasgeophysics

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: Report on Fiber Optic Monitoring of August 2025 Circulation and Huff and Puff Tests

Mar 06, 2026
14.67 MB
Publicly accessible
This is a technical report on the acquisition, processing and analysis of fiber optic data collected in the Utah FORGE 16B(78)-32 well during cross well circulation tests and huff and puff testing that were executed by Texas Tech University and California Statue University Long Be...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergyfiber opticsrfs dssdssdasdtstexas techcsulbhuff and puffcross well circulationthermal datawell 16b16b78-32distributed acoustic sensingdistributed strain sensingdistributed temperature sensinggeophysicsprocessed datatechnical report

Utah FORGE: DAS and Downhole Geophone Data from the August-September 2024 Circulation Test

May 01, 2026
Size unavailable
In progress
This dataset contains distributed acoustic sensing (DAS) and downhole geophone data collected during the August-September 2024 circulation period at the Utah FORGE site. The DAS data were acquired from well 16B(78)-32 as continuous H5 records during circulation operations. Embedde...
Authors
Dyer, B. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeegsdistributed acoustic sensingdasdownhole geophone3c geophonethree-component geophonecirculation testh5seg-2datstrain rate16b78-3256-3278b-32seismic datawell trajectoriesgeophysicsraw dataprocessed data

Utah FORGE 3-2417: Final Report and Presentation on Fiber-Optic Geophysical Monitoring of Reservoir Evolution at Utah FORGE

Aug 01, 2025
203.83 MB
Publicly accessible
This dataset contains the final technical report and closeout presentation for the project Fiber Optic Geophysical Monitoring, conducted by Rice University as part of Utah FORGE project 3-2417. The report documents the deployment and analysis of fiber-optic based geophysical monit...
Authors
Ajo-Franklin, J. Rice University
geothermalenergydistributed fiber-optic sensingutah forgeegsgeophysicsreservoir characterizationdistributed acoustic sensingdistributed temperature sensingdistributed strain sensingdasdtsdsstechnical reportpermeabilitystimulation monitoring

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 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: 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: Well 16B(78)-32 Stimulation Hydraulic Fracturing In-Well DAS Fiber Optic Monitoring Report April 2024

Apr 26, 2024
10.46 MB
Publicly accessible
The report reviews results obtained by Neubrex using Distributed Acoustic Sensing (DAS) during the 16B(78)-32 hydraulic fracturing operations, Stages 1–4. It details DAS data acquisition, processing, and analysis, with a focus on acoustic noise signatures recorded during each st...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergydasinjection allocationplug efficacyfrequency band extractionfbehydraulic fracturinghfneubrexdistributed acoustic sensinggeophysicsplug holdingpumping dataprocessed dataanalysistechnical reportutah forgeegspumping curve data16b78-32fiber optic monitoringstimulation

DASH Slow Strain Rates from Brady Hot Springs Geothermal Field during PoroTomo Deployment Period

Jun 27, 2018
4.98 GB
Publicly accessible
This submission contains slow strain rates summed to radians over 30 second intervals [rad/s] derived from horizontal distributed acoustic sensing measurements (DASH) of Brady geothermal field during PoroTomo deployment (2016-Mar-14 to 2016-Mar-26). There is one file correspondin...
Authors
Reinisch, E. et al University of Wisconsin
geothermaldashporotomoslow strainbrady hot springsdashorizontaldistributed acoustic sensingmatlabstrain ratestraincharacterizationgeophysicshydrothermalbradyprocessed datasoftwarerepositorytechnicalreportslow strain rate

EGS Collab Experiment 2: Distributed Fiber Optic Acoustic Data (DAS)

May 28, 2024
212.2 TB
Publicly accessible
Distributed fiber optic sensing was an important part of the monitoring system for EGS Collab Experiment #2. A single loop of custom fiber package was grouted into the four monitoring boreholes that bracketed the experiment volume. This fiber package contained two multi-mode fiber...
Authors
Rodriguez Tribaldos, V. and Hopp, C. Lawrence Berkeley National Laboratory
geothermalenergyegs collabexperiment 2distributed acoustic sensingdassilixaidasterra15trebleoptasenseodh3hdf5tdmsraw datastrain ratemulti-mode fibersingle-mode fibergeophysics

Imperial Valley Dark Fiber Project Continuous DAS Data

Nov 10, 2020
1.09 TB
Publicly accessible
The Imperial Valley Dark Fiber Project acquired Distributed Acoustic Sensing (DAS) seismic data on a ~28 km segment of dark fiber between the cities of Calipatria and Imperial in the Imperial Valley, Southern California. Dark fiber refers to unused optical fiber cables in telecomm...
Authors
Ajo-Franklin, J. et al Lawrence Berkeley National Laboratory
geothermalenergydistributed acoustic sensingdasimperial valleybrawleyhidden geothermal resourcesearthquakesseismicitytectonicssouthern californiaseismic datastrain rateseismic noisedark fiberdark fiber dassalton searaw datageothermal explorationtelecommunications fiberpythonhdf5jupyter notebookgeophysicsfiber optich5py

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
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