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"doublet well system"×
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Utah FORGE: Reports on Northwestern Nevada Well Doublet Drilling and Testing by Fervo Energy

Sep 05, 2023
17.51 MB
Publicly accessible
These reports review Fervo Energy's construction of a commercial enhanced geothermal system (EGS). Fervo has qualified full functionality of the system through production testing at commercially relevant operating conditions. The project site is located in a nearfield setting ad...
Authors
Dadi, S. et al Fervo Energy
geothermalenergyfervo energynevada egsenhanced geothermal systemsegshorizontal drillingplug-and-perfutah forgecross-well strainplug-and-perforationhorizontal doubletblue mountainnevadafiber optic sensingwell stimulationfracingfrackingreportdoublet well systemdistributed fiber optic sensingdfosfeasibilityassessment

Utah FORGE: Video of Utah FORGE Drilling Planning for Production Well 16B(78)-32

Mar 03, 2023
10.06 MB
Publicly accessible
This is a YouTube video containing the specifics of well planning for Utah FORGE 16B(78)-32. This well will be drilled as a doublet approximately 300 feet parallel to and above 16A(78)-32 and will be drilled between approximately April 15th and July 17th 2023.
Authors
McLennan, J. Energy and Geoscience Institute at the University of Utah
geothermalenergywell planningutah forgewell 16b78-32well planning videoegsdrillingdoublet pairfiber opticstress measurementvibrationsinjection testingcirculation testingprocessed data

Utah FORGE 8-3637: Integrated Diagnostics to Interpret Doublet Heat Sweep Efficiency 2026 Workshop Presentation

Sep 30, 2026
38.85 MB
Curated
This is a presentation on Integrated Diagnostics to Interpret Doublet Heat Sweep Efficiency by the Texas Tech University, presented by Smith Leggett. The project is developing integrated fiber-optic sensing, chemical tracer, and numerical modeling approaches to characterize fractu...
Authors
Leggett, S. Texas Tech University
geothermalenergyutah forgeegsfiber-optictracernumerical modelingfracture flowcharacterizationgeothermal reservoirresource developmentpresentationreport2026 annual workshopheat sweepdasdts16a

University of Illinois Campus Deep Direct-Use Feasibility Study Design of Injection Well #1 (CCS1)

Mar 30, 2018
631.29 kB
Publicly accessible
Includes specification sheet, wellbore geometry, and drilling fluids at section target depth associated with the design of Injection Well #1 (CCS1) for the Illinois Basin Decatur Project (IBDP).
Authors
Greenberg, S. University of Illinois
geothermalenergyddudeep direct-useuniversity of illinoisillinois basinibdpwell ccs1well specsspecificationsinjectiontemperaturepressureseismic sensingpassiveseismic monitoringdtspermits

Brady's Geothermal Field Distributed Temperature Sensing Data

Mar 26, 2016
339.56 MB
Publicly accessible
This submission is an 8 day time history of vertical temperature measurements in Brady observation well 56-1 collected during the PoroTomo field experiment. The data was collected with a fiber-optic DTS system installed to a depth of 372 m below wellhead. DTS installation uses a d...
Authors
Patterson, J. University of Wisconsin
porotomodtsegsbradyfiber-opticstemperaturenevadaboreholeporoelastic tomographydistributed temperature sensinghot springs

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: 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

Cape EGS: Frisco Pad Flow Test Microseismic Monitoring Catalog

Aug 06, 2025
837.65 kB
Awaiting release
This dataset contains a microseismic event catalog acquired during the Frisco pad flow test project led by Fervo Energy, conducted between July 17th Sept 5th 2024, near the Utah FORGE geothermal site. The microseismic events are located using data collected from various Utah FORGE...
Authors
Dadi, S. et al Fervo Energy
geothermalenergyegsenhanced geothermal systemmicroseismicmicroseismic monitoringinduced seismicitycatalogevent catalogfervofriscofrisco padflow testutah forgeevent locationsdasdistributed acoustic sensingfiber-optic sensinggeophonethree-component geophonedelano 1-obforge 16b78-3256-3278b-32origin timeevent depth

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

Newberry EGS Demonstration: Well 55-29 Stimulation Data 2014

Sep 03, 2015
308.58 MB
Publicly accessible
The Newberry Volcano EGS Demonstration in central Oregon, a 5 year project begun in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to ru...
Authors
Cladhouhos, T. et al AltaRock Energy Inc
geothermalegsdiverter materialmicroseismic monitoringtemperature monitoringgroundwater monitoringstimulation datanewberrywell datainjectivitypts datadaily reportoperations summarytemperature at depthwell head pressuredtstemperaturedepthprofileflow testwhtwhpflow rateflow datapressure databackflow reportgeochemistrygroundwatergas chemistryfield temperatureplhsnewwpad-16pad-29nn-17nn-18ground watersurface waterelhspcgvcpad 16pad 29publicationsgrcstimulationresultspaperdemonstrationproduction wellaltarocksgwstanfordpresentationvolcano2014newberry volcanoenhanced geothermal systemtoughreactthermalhydrologicalmechanicalchemicalpressure fall-offdownhole pressure55-29ptspresssurespinnersurveychartgraphreportdatamonitoring dataseismic dataseismicinduced seismisityanalysisfinal reportfoulger consultinginjectioninduced seismicitymitigationplanaddendumeventlocationsistirawclusteredoutputpnsnwell constructionwellboreschematiccasinghole depthsultrasonicflowratemanual readingsweir boxmeqmicroseismicity

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

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

University of Illinois Campus Deep Direct-Use Feasibility Study Subsurface Temperature Profile

Jun 13, 2018
128.44 kB
Publicly accessible
High resolution fiber-optic distributed temperature sensing logs from the Illinois Basin Decatur Project (IBDP) in Decatur, IL were used to model the thermal profile in the Illinois Basin.
Authors
Lin, Y. et al University of Illinois
geothermalenergyddudeep direct-useuniversity of illinoisillinois basintemperature profiledtsdistributed temperature sensingtemperature gradient

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

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 16A(78)-32 2022 Stimulation Microseismic Report

Sep 26, 2022
18.94 MB
Publicly accessible
This is a Utah FORGE well 16A(78)-32 stimulation microseismic detection and event location report from Silixa LLC. The report covers the digital acoustic sensing (DAS) data acquisition and analysis used to study microseismic events during the April, 2022 stimulations at well 16A(7...
Authors
LLC, S. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgewell 16a78-32well 16amicroseismicitywell 16a78-32 stimulationwell 16a78-32 microseismicitywell stimulationsilixasilixa reportseismic monitoringmonitoringstimulationegsforgereportdetectionlocationeventgeophysicsdigital acoustic sensingdas

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

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: High-Resolution DAS Microseismic Data from Well 78-32

Oct 20, 2019
7.42 MB
Publicly accessible
This regards a high-resolution DAS microseismic dataset produced by Silixa from Utah FORGE Phase 2C seismic monitoring well 78-32 during stimulation testing of well 58-32. It is a very large dataset and as such it is currently not directly available on GDR. However, it is availabl...
Authors
Martin, T. and Nash, G. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeforgeutah geothermalmicroseismic datasilixa microseismic datawell 78-32 microseismic datawell 58-32 stimulation seismicityforge phase 2csilixawell 58-32well 78-32utahmilfordroosevelt hot springssegyseg-ydasdistributed acoustic sensingdxsmicroseismicitydasvmonitoringwell locationwell datadtsdistributed temperature sensingprocessed datageophysicsstimulationraw data

Cape EGS: Frisco Pad Flow Test Microseismic DAS Data

Feb 11, 2026
21.05 GB
Awaiting release
This dataset contains microseismic data acquired during the Frisco pad flow test project led by Fervo Energy, conducted between August and September 2025 near the Utah FORGE geothermal site. The data were recorded using a Distributed Acoustic Sensing (DAS) fiber installed in well ...
Authors
Kanu, O. Fervo Energy
geothermalenergycape egsegsfervo energyutah forgedistributed acoustic sensingdasfiber-optic sensingmicroseismic monitoringinduced seismicitywell 16bfrisco padflow teststrain-ratehdf5h5silixa idasdownhole fiber-optic sensinggeophysicsraw data

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: 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: GES Well 16A(78)-32 and Well 16B(78)-32 Stimulation Seismic Event Catalogs

Apr 30, 2024
26.17 MB
Publicly accessible
This dataset contains seismic event catalogs from the hydraulic stimulation of wells 16A(78)-32 and 16B(78)-32 at the Utah FORGE site in April 2024. The data was collected by Geo Energy Suisse (GES) using a variety of seismic monitoring technologies, including 3-component (3C) geo...
Authors
Dyer, B. et al University of Utah Seismograph Stations
geothermalenergyseismic dataseismicgeo energy suissegeswell stimulationfracfracingstimulationwell 16a78-32well 16b78-32utah forgeseismic catalogmicroseismic16a16begsdistributed acoustic sensingdasprocessed datareal timedelano-13cgeophonehydraulic injection

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 DTS Fiber Optic Temperature Data from Well 16B(78)-32 August 2025 Circulation and Huff-and-Puff Tests

Mar 28, 2026
447.3 MB
Publicly accessible
This dataset contains processed Neubrex Distributed Temperature 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 subsequent huff-and-puff...
Authors
Jurick, D. et al Neubrex Energy Services (US), LLC
geothermalenergytemperaturedtsthermalgradientfiber opticscoiled tubingutah forgeegsneubrexdistributed temperature sensingfiber optic sensingcailbrated temperaturehdf5prodml16b78-32circulation testhuff and puffprocessed data
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