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Pressure Sensor and Telemetry Methods for Measurement while Drilling in Geothermal Wells

Jan 01, 2012
517.29 kB
Publicly accessible
Project status report as of end of 2011. Key milestones and accomplishments in the year 2011 include: Proof of feasibility of analog and digital components with their lifetime tested for more than 500 hours at 300 degrees C, Demonstration of ceramic-based packaging capable of su...
Authors
Vert, A. GE Global Research
geothermalsicelectronicshigh temperaturemeasurement while drillingmud pulsingpressure sensortelemetrytemperature sensorpressure measurementtechnical reportyear end reportintegrated circuitryegs

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 5-2419: Fluid Injection Experiments on Granite Samples at Four Different Temperatures

Sep 05, 2024
6.76 MB
Publicly accessible
This dataset contains results from four fluid injection experiments at 24 C, 69 C, 111 C, and 140 C using a triaxial loading apparatus ("Temco"). Tests were conducted on a Utah FORGE granite sample with a 30 degree inclined fracture. Confining pressure was maintained at 10 MPa, wh...
Authors
Wang, J. and Elsworth, D. Pennsylvania State University
geothermalenergyfluid injection experimentutah forgeegsfluid injectionfractured granitetriaxial loadingpermeabilityseismic momentconfining pressurepore pressureshear stresselevated temperatureexperimental datageomechanicsstimulationhydraulic stimulation

EGS Collab Experiment 2: Results of Tracer Tests

Jul 26, 2022
3.36 MB
Publicly accessible
Multiple sets of tracer tests were conducted at the EGS Collab Testbed 2 on the 4100 L at the Sanford Underground Research Facility (SURF), Lead, SD. The enclosed data package includes: tracer recovery results, water balance calculations and rationales, water flow measurement for ...
Authors
Neupane, G. et al Idaho National Laboratory
geothermalenergyegs collabegssurfsanford underground research facilityleadsouth dakotacollabfracture transportraw dataprocessed data

Utah FORGE 2-2439: A Multi-Component Approach to Characterizing In-Situ Stress: Laboratory, Modeling and Field Measurement 2023 Annual Workshop Presentation

Sep 08, 2023
67.35 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 Battelle [Columbus, OH], presented by Mark Kelley. The project's objective was to characterize stress in the U...
Authors
Kelley, M. and Bunger, A. Battelle Memorial Institute
geothermalenergyannual workshop2023utah forgeegsmachine learningin-situ stressstress characterizationmini-fracrock-core stress estimationsonic-log datamodelinglaboratory experimentsdeformation rate analysisboundary element methodsleeve frac packerfar-fieldnear-field

Cape EGS: Gold 2-IB Mass Spectrometry and Mudlogs

Apr 30, 2025
6.61 MB
Awaiting release
This dataset contains logs and summaries from the Gold 2-IB well at the Cape EGS site near Utah FORGE, collected during operations in fall 2024. The dataset includes a mass spectrometry log, mudlog, measurement while drilling (MWD) data, and daily geology summaries. The mass spect...
Authors
Dadi, S. and Adams, T. Fervo Energy
geothermalenergymass spectrometrymudlogegscape egsgold 2-ibgoldmwddrilling logsutah forgegas analysisraw datalithologywell loggingdepth profileslasrock cuttingsdrilling data

Utah FORGE 2-2446: Report on Laboratory Block Experiments with Six Different Combinations of Stresses and Rock Fabrics

Jan 30, 2025
15.21 MB
Publicly accessible
This report documents a series of block-scale hydraulic fracturing experiments, simulating Utah FORGE conditions to investigate how different combinations of in situ stress regimes, well orientations, and thermal stress conditions influence fracture initiation and propagation. The...
Authors
Bunger, A. and Lu, Y. Lawrence Livermore National Laboratory
geothermalenergyutah forgehydraulic fracturingtriaxial loadingegsblock-scalein situ stressthermal stimulationbreakdown pressurefracture propagationrock mechanicsfracture mappinglaboratory experimentsreservoir stimulationtechnical report

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

kISMET Final Report and Highlights

Oct 31, 2016
10 MB
Publicly accessible
The files in this submission describes the results of a series of stress measurement and hydraulic fracturing experiments conducted at the Sanford Underground Research Facility (SURF) in Lead, SD. This report describes the accomplishments of the kISMET (permeability (k) and Induce...
Authors
Oldenburg, C. et al Lawrence Berkeley National Laboratory
geothermalenergystressegshydraulic fracturingnumerical modelingsanford underground research facilitycorepoorman formationanalytical modelingsubterhydraulic stimulationkismetpermeabilityinduced seismicitymanagementsurfborehole

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

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: 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: 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

Utah FORGE: Soil Carbon Dioxide Data

Mar 12, 2018
160.02 kB
Publicly accessible
These are data from soil CO2 flux surveys done in the Utah FORGE study area near Roosevelt Hot Springs. Concentration is in units of ppm and is the final concentration of CO2 in the chamber after the up-to-2-minute flux measurement. Flux is in units of grams of CO2 per m^2.
Authors
Rahilly, K. Energy and Geoscience Institute at the University of Utah
geothermalenergycarbon dioxideco2co2 fluxutah forgeutahforgeroosevelt hot springssoil gasco2 concentrationconcentrationsoilmilfordegsgeochemistryflux

Sustainable Self-Propping Shear Zones in EGS: Chlorite, Illite, and Biotite Rates and Report

Nov 06, 2015
1.26 MB
Publicly accessible
Spreadsheet containing chlorite, illite, and biotite rate data and rate equations that can be used in reactive transport simulations. Submission includes a report on the development of the rate laws.
Authors
Carroll, S. and Smith, M. Lawrence Livermore National Laboratory
geothermalchloriteillitebiotiterate equationsreactive transportegsenhanced geothermal systemsshear zonereactive transport simulation

Filenames of Data from the Distributed Acoustic Sensing Experiment at Garner Valley, California

Jul 01, 2015
295.4 kB
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 lists all file names from Distributed Acoustic Sensing (DAS) data collected...
Authors
Lancelle, C. et al University of Wisconsin
geothermalporotomodasegsdistributed acoustic sensingfilenamesdirectivitysensitivityfiber-opticsground motionmeasurement

Devices Suitable for Sectional Isolation Along Both Cased and Open-hole Wellbores Pipe Preparation Report

Mar 31, 2023
3.14 MB
Publicly accessible
The main goal of this project is to develop an annular isolation system capable to withstand geothermal downhole conditions and mitigate the problems experienced by conventional packers in FORGE wells. This pipe preparation report is based on the test pipe that was procured and pr...
Authors
Teodoriu, C. et al Welltec
geothermalenergywellborecasingdrillingtechnicalassessmentstimulationforgeegs

AASG Wells Data for the EGS Test Site Planning and Analysis Task

Oct 09, 2013
32.16 MB
Publicly accessible
Temperature measurement data obtained from boreholes for the Association of American State Geologists (AASG) geothermal data project. Typically bottomhole temperatures are recorded from log headers, and this information is provided through a borehole temperature observation servic...
Authors
Augustine, C. National Renewable Energy Laboratory
geothermalwelltemperatureegs test sitebottomholeshpboreholeborehole temperaturedataegsgeospatial data

Utah FORGE: Phase 3 Ground Water Level Monitoring Data

Sep 30, 2020
17.28 MB
Publicly accessible
Groundwater data around the Utah FORGE site has been collected to determine the piezometric levels and compositional variability. Field measurements in 2020 are designed to obtain and survey new groundwater wells that have been drilled on the distal periphery of the Utah FORGE pro...
Authors
Kirby, S. Utah Geological Survey
geothermalenergyground waterground water levelwater levelutah forgeforgewow-2wow-3well datatemperaturecorrectedwater elevationgroundwaterroosevelt hot springsmilfordegswater table depthmonitoring

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: Report on the Thermal Properties of Wells 16A(78)-32 & 58-32 Granite

May 04, 2021
2.71 MB
Publicly accessible
This is a report from Metarock Laboratories on the thermal properties of Utah FORGE wells 16A(78)-32 & 58-32 granite. The report includes pictures of core samples, core details for the samples (where the sample was taken and the size of the sample), sample thermal expansion test r...
Authors
Laboratories, M. et al Energy and Geoscience Institute at the University of Utah
geothermalutah forgeegswell 16a78-32 granite thermal propertieswell 58-32 granite thermal propertiesutah forge granite thermal propertieswell 58-32 granitewell 16a78-32 graniterock thermal propertiesmetarock reportwell 58-32well 16a78-32granite thermal propertiesthermal expansiontestteststestinggranitesamplecore samplereportcore datahydrostaticradial velocitymeasurement

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

Chlorite, Biotite, Illite, Muscovite and Feldspar Dissolution Kinetics at Variable pH and Temperatures up to 280 deg C

Feb 24, 2017
19.93 MB
Publicly accessible
Chemical reactions pose an important but poorly understood threat to EGS long-term success because of their impact on fracture permeability. This report summarizes the dissolution rate equations for layered silicates where data were lacking for geothermal systems. Here we report ...
Authors
Carroll, S. et al Lawrence Livermore National Laboratory
geothermalenergykinetic dataillitemuscovitefeldsparchloritebiotitegeochemistrychemistryfracture permeabilitysuccessdissolutionrate equationskineticsegsenhanced geothermal systems

Utah FORGE: Fluid Injection Induced Shearing Experiments on Fractured Granitoid at Elevated Temperatures

Aug 12, 2024
80.21 MB
Publicly accessible
This repository contains experimental data from a series of fluid injection-induced shearing tests conducted on Utah FORGE granitoid. The experiments were performed using an aluminum triaxial pressure vessel (TEMCO) apparatus at Pennsylvania State University. The primary aim was t...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergytemperatureexperimentpre-stressseismicityutah forgeegsgranitoidtemcotriaxial pressure vesselfault seismicitypre-stress ratioshearpore pressure60-gritinclined fracture

Utah FORGE 2439: A Multi-Component Approach to Characterizing In-Situ Stress

Dec 13, 2022
201.16 MB
Publicly accessible
Core-based in-situ stress estimation, Triaxial Ultrasonic Velocity (labTUV) data, and Deformation Rate Analysis (DRA) data for Utah FORGE well 16A(78)-32 using triaxial ultrasonic velocity and deformation rate analysis. Report documenting a multi-component approach to characterizi...
Authors
Bunger, A. et al Battelle Memorial Institute
geothermalenergyutah forgein-situ stresslaboratorymodelingfield measurementtuvtriaxial ultrasonic velocitydeformation rate analysisdraweight of evidencewoeegsstress testcharacterizationwell datageophysicsforge16a78-32
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