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DAS and Fiber-Optic Sensing×

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

EGS Collab Experiment 2: Distributed Fiber Optic Temperature Data (DTS)

Nov 08, 2022
2.77 GB
Publicly accessible
The EGS Collab Experiment took place at the Sanford Underground Research Facility at the Homestake gold mine in Lead, SD, USA. Distributed fiber optic sensing temperature data is included in this dataset for this experiment. A single loop of custom fiber package was grouted into ...
Authors
Rodriguez Tribaldos, V. et al Lawrence Berkeley National Laboratory
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegsdfosfiber opticxt-dtstemperaturedtsexperiment 2distributed sensingmonitoringcharacterization

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 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

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

PoroTomo: Horizontal Distributed Acoustic Sensing (DAS) Measurements During an M 2.3 Explosion

Dec 18, 2018
198.67 GB
Publicly accessible
Included here are Distributed Acoustic Sensing (DAS) data collected by the horizontal DAS array at Brady's Hot Springs Geothermal Field. The system recorded this data during an M 2.3 explosion at the Nevada Test Site (NTS), which is located approximately 400km southeast of the fie...
Authors
Kratt, C. et al Center for Transformative Environmental Monitoring Programs (CTEMPs)
geothermalenergywholescalewaterholeobservationstresssystemspatialtemporalphysicsmodelinghydrologicthermalmechanicaldasbradys hot springsdtsporotomoseismicgeophysicsdas datasgyseg-ydistributed acoustic sensingdistributed temperature sensinghydrothermaltrenchedsurface sensorsseismicityraw data

PoroTomo Distributed Temperature Sensing (DTS) Measurements made in Brady Observation Well 56-1

Jan 09, 2019
105.8 MB
Publicly accessible
This submission is a follow-up to Distributed Temperature Sensing (DTS) measurements made in Brady observation well 56-1 during the PoroTomo field experiment conducted in March, 2016. The measurements in this data set were made on August 24, 2018 over an approximately 20 hour per...
Authors
Kratt, C. et al Oregon State University
geothermalenergydtsbradyporotomoctempsfiber opticsilixadistributed temperature sensingwell 56-1matlabdataporoelastic tomographybrady hot springsnevadanvobservation wellsilixa xt

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

Distributed Acoustic Sensing (DAS) Data for Periodic Hydraulic Tests

Jul 06, 2017
9.84 GB
Publicly accessible
California State University Long Beach evaluated hydraulic connectivity among geothermal wells using Periodic Hydraulic Testing (PHT) and Distributed Acoustic Sensing (DAS). The principal was to create a pressure signal in one well and observe the responding pressure signals in on...
Authors
Coleman, T. and Becker, M. California State University
geothermalenergydasdistributed acoustic sensingmirror lakenew hampshiregeomechanicsperiodic hydraulic testsmatlabacoustic sensing data

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: 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 3-2417: 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: 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 3-2417: Well 16B(78)-32 Fiber-Optic Cable Installation Report

May 15, 2024
5.93 MB
Publicly accessible
This is an installation report detailing placement of the integrated fiber-optic cable behind casing in Utah FORGE well 16B(78)-32. These activities occurred in July of 2023 immediately after the drilling of 16B. This report was prepared by the FOGMORE R&D project (Fiber Optic MOn...
Authors
Ajo-Franklin, J. et al Rice University
geothermalenergyutah forgefiber opticsdasegsenhanced geothermalfogmorecablefiberinstallationreport16b16b78-32silixa3-2417milforddownholecasingtechnology

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 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: DAS Microseismic Event Records From April 2024 Stimulation Experiment

Mar 25, 2026
1.29 TB
In curation
This dataset contains distributed acoustic sensing (DAS) microseismic event triggers (raw waveforms) recorded during the 16A-16B stimulations conducted at the Utah FORGE site in April 2024. The dataset consists of raw waveform data provided in nanostrain rate units, accompanied by...
Authors
Ajo-Franklin, J. et al Rice University
geothermalenergyutah forgeenhanced geothermal systemsegsdistributed acoustic sensingdasfiber optic monitoringdfosmicroseismicforgewaveformraw datastimulationevent triggersfiber opticgeophysicsgeomechanicshydraulic stimulationhydraulic fracturingdas channel locationssgyseg-ysilixacarinafogmore

Distributed Acoustic Sensing (DAS) for Periodic Hydraulic Tests: Laboratory Data

Feb 27, 2015
67.03 GB
Publicly accessible
These data were collected in the laboratory located at California State University Long Beach. They consist of DAS data collected from a fiber optic cable placed in a tank of water, subjected to oscillating head. These tests are described in the article linked below.
Authors
Coleman, T. California State University
geothermalenergydasdistributed acoustic sensingfiber opticsfluid pressure sensingfiber-opticacoustic sensing datacsu long beachlab dataoscillating pressurehydraulic testingperiodic

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

Sample Data from a Distributed Acoustic Sensing Experiment at Garner Valley, California

Sep 10, 2013
133.84 MB
Publicly accessible
In September 2013, an experiment using Distributed Acoustic Sensing (DAS) was conducted at Garner Valley, a test site of the University of California Santa Barbara (Lancelle et al., 2014). This submission includes one 45 kN shear shaker (called "large shaker" on the basemap) test ...
Authors
Lancelle, C. University of Wisconsin
geothermalporotomodasmapaccelerometergeophonegarner valleycaliforniadistributed acoustic sensingfiber-opticfiber opticsvibroseisposterproject summary

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 3-2417: DAS Microseismic Event Records From Circulation Test July 2023

Jul 09, 2025
17.07 GB
Publicly accessible
This dataset contains distributed acoustic sensing (DAS) microseismic event triggers (waveforms) recorded during the 16A-16B circulation tests conducted at the Utah FORGE site in July 2023 as part of the FOGMORE R&D project (Utah FORGE Project 3-2417). Data were acquired using Sil...
Authors
Vera Rodriguez, I. et al Rice University
geothermalenergyutah forgeenhanced geothermal systemsegsdasdistributed acoustic sensingmicroseismiccirculation testfiber optic monitoringsilixa carinasilixa idas v2nanostrain rateseismic dataseg-yjuly 2023raw datatriggeredchannel map

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

Utah FORGE 3-2417: DAS-derived Moment Tensors from the 16A/16B Stimulation April, 2024

Aug 22, 2025
1.41 MB
Publicly accessible
This dataset contains a catalog of moment tensors derived from distributed acoustic sensing (DAS) data acquired during stimulation of Utah FORGE Well 16A, conducted between April 3 and April 7, 2024. The data were generated as part of the FOGMORE (Fiber Optic MOnitoring for Reserv...
Authors
Vera Rodriguez, I. et al Rice University
geothermalenergyutah forgedasmicroseismicmoment tensorenhanced geothermalegsfogmoresilixa16a stimulationdistributed acoustic sensingfiber opticsseismic monitoringstimulationmicroseismicitycarinaidasseismic inversiongeophysicssubsurface characterizationseismic momentconfidence indexcondition numbermoment catalogprocessed data

Fiber Optic Thermal Slug Experiments Conducted at Texas Tech University Report

Apr 11, 2025
441.27 kB
Publicly accessible
The report details a thermal circulation test at Red Raider #2 at the Oil Field Technology Center (OTC) involving staged hot water injections and distributed temperature sensing (DTS) fiber optic measurements. It includes experimental setup, fluid flow and temperature data, therm...
Authors
Leggett, S. Texas Tech University
geothermalenergytracersadsorptionlab experimentsdistributed temperature sensingdtsthermal slugfiber optic monitoringcirculation testheat transientbulk velocitythermocouplered raider 2olgamultiphase flow modelingtemperature profilewellbore heat transferflow rate analysishot water injection
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