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"fracture characterization"×

Utah FORGE: Well 58-32 Core Analyses

May 30, 2018
24.23 MB
Publicly accessible
This dataset contains final reports regarding stress measurements, permeability measurements, and mechanical properties from the core testing of well 58-32, in PDF format, and spreadsheets containing tables from the reports as part of Utah FORGE Phase 2B. Please refer to the repor...
Authors
McLennan, J. Energy and Geoscience Institute at the University of Utah
geothermalenergygeomechanicspermeabilityutah forgeutah forge phase 2bwell 58-32rock stressrock mechanical propertiesutah geothermalyoungs moduluspoissons ratiofracturemechanical propertieswell logsshear wavedipole sonic imagerdsicompressional wavelabfailure envelopetensile strengthmilfordroosevelt hot springspermeability measurementsopenhole sectionsitu stressesinjectionpressure transient methodsfield testinglab testingstress measurementshydraulic fractureegsphase 2bforgeutahcore datastressrock propertiescore testingwell coordinateswell locationwell dataresourcecharacterization

Utah FORGE 3-2535: Preliminary Report on Development of a Reservoir Seismic Velocity Model

Jan 30, 2023
5.8 MB
Publicly accessible
This report describes the development of a preliminary 3D seismic velocity model at the Utah FORGE site and first results from estimating seismic resolution in the generated fracture volume during Stage 3 of the April 2022 stimulation. A preliminary 3D velocity model for the larg...
Authors
Gritto, R. Array Information Technology
geothermalenergy3d seismic velocity modelseismic resolutionseismicgeophysicsreservoirmodelvelocityforgeutah forgeegscharacterizationreportpreliminarymilfordphasenetneural networkingmachine learningdeep learning

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

EGS Collab Experiment 1: Wireline Geophysical Well Logs

Jan 08, 2018
1.23 GB
Publicly accessible
This is the full wireline geophysical datasets for characterization of the EGS Collab Experiment #1 testbed on the 4850 level. A metadata file is included within the dataset explaining the logs, fracture picks, etc. Eight boreholes were drilled for this testbed and each one was lo...
Authors
Schwering, P. Lawrence Berkeley National Laboratory
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegswirelinegeophysicswell lograw dataprocessed datawellcad4850experiment 1e1injection wellproduction wellobotpdbpdtpsbpst

Foam Fracturing Study for Stimulation Development of Enhanced Geothermal Systems

May 17, 2022
10.61 MB
Publicly accessible
This is a final technical report for the project: Foam Fracturing Study for Stimulation Development of Enhanced Geothermal Systems (EGS). The goal is to demonstrate the feasibility of foam fracturing in EGS applications. The project, led by Oak Ridge National Laboratory (ORNL), wa...
Authors
Wang, H. et al Oak Ridge National Laboratory
foam fracturingfoam stabilitywaterless stimulationenhanced geothermal systemsegsenergygeothermalfoamfracturingsimulationtestsample datablind boreholefatiguestressdatatime data

Utah FORGE: Well 52-21 Logs and Data: Roosevelt Hot Spring Area

Mar 03, 2016
97.37 MB
Publicly accessible
This is a compilation of logs and data from Well 52-21 in the Roosevelt Hot Springs area in Utah. This well is also in the Utah FORGE study area. The file is in a compressed .zip format and there is a data inventory table (Excel spreadsheet) in the root folder that is a guide to t...
Authors
Moore, J. Energy and Geoscience Institute at the University of Utah
geothermalforgeutah forgeegsutah egsroosevelt hot springutah geothermal wellswell logsutah well logsutah geothermalgeothermal well logsroosevelt hot springswater analysiswater qualitygeochemistryflow samplewireline samplepressure surveytemperature surveysubsurfacehistorywell schematicsite mapwell locationscasing schematicwell completionbhtgradienthydrothermal alterationcompensated soniccompensated neutronformation densityporositylaterlogdual inductionelectromagneticelectro-magneticthickness toolfracture identificationmud logcaliperboreholedownholegeophysicssurveygeophysicalgeochemicalwell datautah52-21well logresourcecharacterizationmilford

Utah FORGE 8-3637: Integrated Diagnostics for Interpreting Doublet Heat Sweep Efficiency 2025 Workshop Presentation

Sep 18, 2025
78.44 MB
Publicly accessible
This is a presentation on the Integrated Diagnostics for Interpreting Doublet Heat Sweep Efficiency by Texas Tech University, presented by Smith Leggett. This video slide presentation discusses the ID squared technical objectives to develop and integrate diagnostic tools to determ...
Authors
Leggett, S. Texas Tech University
geothermalenergyutah forgeegs2025 annual workshopheat sweep efficiencyfracture diagnosticsflow distributionheat exchangereservoir characterizationthermal efficiencydiagnostic toolspresentationpresentation recordingpresentation slidesreport

EGS Collab Experiment 1: Tracer data tests

Apr 16, 2019
537.87 kB
Publicly accessible
This file contains the first set of tracer data for the EGS Collab testbed. The first set of tracer tests were conducted during October-November, 2018. We have included tracer data for C-dots, chloride, fluorescein, and rhodamine-B. The details about the tracer test can be found i...
Authors
Neupane, G. et al Idaho National Laboratory
geothermalenergyegs collabsurftracer testsbreakthrough curvec-dotschloridefluoresceinrhodamine-btracer datahydraulicfracturingstimulationtracerexperimentalegssanford underground research facility

Seismic Survey 2016 Data at Crescent Valley, Nevada

Dec 04, 2023
469.57 GB
Publicly accessible
In September 2016, 989 vertical-component seismic instruments were deployed for 75 hours at the Crescent Valley greenfield geothermal play area in Nevada. Data were recorded 12/9/16 12/15/16. Data are stored in individual files in one-minute increments in SEGD formats. See the met...
Authors
Lord, N. et al University of Wisconsin Madison
geothermalenergywholescaleseismicdatageophysicscrescent valleyhydrothermalcharacterizationsegdsubterpermeabilitymappinggreenfieldnevadasp1fracturesurveygeophone

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

Testing LCM on a Large Scale for Geothermal Drilling Applications Using a Novel Experimental Setup

Apr 22, 2022
15.98 MB
Publicly accessible
Rheology data obtained from flow loop tests, performed using different lost circulation materials (LCM) to study their effect on fluid rheology and wellbore hydraulics. The sealing performance of different LCM was tested using different fracture sizes. Five academic papers / repor...
Authors
Mohamed, A. et al University of Oklahoma
geothermal drillinglost circulationsealing efficiencyrheologyhigh temperatureflow loop3d printingtemperaturecharacterizationdrilling fluid additivesshape memory polymergeothermal wellshpht challengesdrilling fluidwellbore hydraulicshole cleaningfluid stabilitysmart lcmht flow looplost circulation materialannular flowrheological propertiesgeothermalenergyviscosifierfiltration controlhphtgeochemistrywellboredrilling technologyexperimenttechnologyreportsgwmodeldrillingprocessed data

EGS Collab Experiment 1: TOUGH2-CSM Simulation of Embedded Natural Fractures and Chemical Tracer Transport and Sorption

Jun 07, 2019
5.23 MB
Publicly accessible
The EGS Collab SIGMA-V project is a multi-lab and university collaborative research project that is being undertaken at the Sanford Underground Research Facility (SURF) in South Dakota. The project consists of studying stimulation, fluid-flow, and heat transfer processes at a scal...
Authors
Johnston, B. et al National Renewable Energy Laboratory
geothermalenergyegsegs collabtough2simulationenhanced geothermal systemssurfsanford underground research facilityreservoirmodelingtracernaturalfracturesfracturingchemicalsigma-vthermaltemperatureheat flowfluid flowmonitoringhydrauliccirculationinjectioninjectortough2-csmsorptiontransferbreakthrough

Simulations of Brady's-Type Fault Undergoing CO2 Push-Pull: Pressure-Transient and Sensitivity Analysis

Mar 09, 2018
9.74 MB
Publicly accessible
Input and output files used for fault characterization through numerical simulation using iTOUGH2. The synthetic data for the push period are generated by running a forward simulation (input parameters are provided in iTOUGH2 Brady GF6 Input Parameters.txt [InvExt6i.txt]). In gene...
Authors
Jung, Y. and Doughty, C. Lawrence Berkeley National Laboratory
geothermalenergyegsco2carbon dioxidepush-pullpressure-transient testingitough2sensitivity analysisinverse modelingparameter estimationinconpesttough2fault modelinggf6bradyfaultingfaultfracturecharacterizationstimulation

Seismic Survey 2016 Data at San Emidio Nevada

Jan 05, 2016
2.57 TB
Publicly accessible
Included here are seismic data recorded at the San Emidio Geothermal field in Nevada. This passive seismic data were collected as part of the DOE-funded Subsurface Technology and Engineering R&D (SubTER) project to advance imaging and characterization of geothermal permeability. ...
Authors
Lord, N. et al University of Wisconsin Madison
geothermalenergywholescalewaterholeobservationstresssystemspatialtemporalphysicsmodelinghydrologicthermalmechanicalseismicseismicitydatametadatasurveynevadasegdmseedminiseedsan emidiohydrothermalcharacterizationgeophysicspassive seismic

Utah FORGE: Well 58-32 Schlumberger FMI Logs DLIS and XML files

Nov 17, 2017
2.4 GB
Publicly accessible
This zipped data set includes Schlumberger FMI logs DLIS and XML files from Utah FORGE deep well 58-32. These include runs 1 (2226-7550 ft) and 2 (7440-7550 ft). Run 3 (7390-7527ft) was acquired during phase 2C.
Authors
Nash, G. and Moore, J. Energy and Geoscience Institute at the University of Utah
geothermalenergyforgeutah forgeroosevelt hot springsfmifmi logswell 58-32fmi xmlfmi dlis58-32 fmifullboreformationmicroimagerimagingmicroimagingboreholeloggingloggeophysicsdip set logsutah geothermal58-32welldeepdliswell logxmlutahmilfordegsresourcecharacterizationwell data

Utah FORGE: Milford Triaxial Test Data and Summary from EGI labs

Mar 01, 2016
102.63 MB
Publicly accessible
Six samples were evaluated in unconfined and triaxial compression, their data are included in separate excel spreadsheets, and summarized in the word document. Three samples were plugged along the axis of the core (presumed to be nominally vertical) and three samples were plugged ...
Authors
Moore, J. Energy and Geoscience Institute at the University of Utah
geothermaltriaxialtestingegiforgeegsfracturestresscompressionpermeabilityutahmilfordtesthorizontalmooregnssampledataverticalgeomechanicsgeomechanicalutah forgecorestraincore dataresourcecharacterizationwell dataroosevelt hot springs52-21

Subsurface Characterization and Machine Learning Predictions at Brady Hot Springs Results

Oct 20, 2021
6.41 MB
Publicly accessible
Geothermal power plants typically show decreasing heat and power production rates over time. Mitigation strategies include optimizing the management of existing wells increasing or decreasing the fluid flow rates across the wells and drilling new wells at appropriate locations. Th...
Authors
Beckers, K. et al National Renewable Energy Laboratory
geothermalenergymachine learningmlsubsurfacecharacterizationbrady hot springsbhspredictionreservoir modelingtime seriespcaprincipal component analysisreservoir managementreservoirdual-porositystimulationinjection testpdetemperatureflowpressuresimulationsingle-fracturedoubletheat maptensorflowcnnlstmmlphydrothermalopen source reservoirosrnevada

Full Moment Tensor Inversion Software

Oct 31, 2018
Size unavailable
Publicly accessible
The link points to a website at NCEDC to download the full moment tensors inversion software The moment tensor analysis conducted in the current project is based on the full moment tensor model described in Minson and Dreger (2008). The software including source, examples and tut...
Authors
Gritto, R. and Dreger, D. Array Information Technology
geothermalenergyfull moment tensor inversioninversionsoftwaremoment tensoranalysisseismicexampletutorialgeophysicsgeophysicalfaultfaultingearthquakemicroseismicityinducedseismicitystimulationegsinjectionfracturemonitoringhydraulicgenerationpassive

Thermoelectric Materials Development for Low Temperature Geothermal Power Generation

Jan 29, 2016
165.33 kB
Publicly accessible
Data includes characterization results for novel thermoelectric materials developed specifically for power generation from low temperature geothermal brines. Materials characterization data includes material density, thickness, resistance, Seebeck coefficient. This research was ca...
Authors
Hansen, T. Southern Research Institute
geothermalthermoelectricbrineseebeckthermoelectric power generationmaterial developmentthermoelectric material evaluationresistivitymaterial densitythicknessresistanceseebeck coefficient

Reservoir Stimulation Optimization with Operational Monitoring for Creation of EGS

Sep 15, 2014
21.38 MB
Publicly accessible
EGS field projects have not sustained production at rates greater than 1/2 of what is needed for economic viability. The primary limitation that makes commercial EGS infeasible is our current inability to cost-effectively create high-permeability reservoirs from impermeable, igneo...
Authors
A., C. Pacific Northwest National Laboratory
geothermalstressvolume expansionpermeabilityfracturingrheoreversible fluidsxmtacoustic emissionlaboratory scaleegsigneous rockacoustic signaturefracture responsex-ray microtomography

Utah FORGE 3-2535: Numerical Modeling of Energized Steel-Casing Source for Imaging Stimulated Zone

Nov 15, 2022
885.78 kB
Publicly accessible
This short report details and tests the workflow that will be used to simulate steel well casings in deviated production/extraction boreholes at at the Utah FORGE site. Boreholes will be electrically energized and will serve as data sources for future proposed electromagnetic bore...
Authors
Um, E. et al Lawrence Berkeley National Laboratory
geothermalenergyegsremote sensingwell characterizationutah forgewell 16awell 16b

Deep Direct-Use Feasibility Study Computed Tomography (CT)-scanned data Analysis for the Tuscarora Sandstone at the National Energy Technology Laboratory

Jan 10, 2020
40.99 GB
Publicly accessible
The computed tomography (CT) facilities at the National Energy Technology Laboratory (NETL) Morgantown, West Virginia site were used to characterize core of the Tuscarora Sandstone from a vertical well in Preston County WV, the Preston-119 from a depth of 7,165 to 7,438 ft. The pr...
Authors
Brown, S. et al West Virginia University
geothermalenergyappalachian basinwvuwvgestuscarora sandstonecomputed tomographyimage jctct scannercharacterizationcore sampleslithologydensity valuesddudeep direct usefeasibilitycorepres-119preston 119clay 513harrison 79fracture volume

SMP Preparation, Programming, and Characterization

Oct 01, 2021
1.04 MB
Publicly accessible
The problem of loss circulation in geothermal wells is inherently challenging due to high temperatures, brittle rocks, and presence of abundant fractures. Because of the inherent challenges in geothermal environments, there are limitations in selecting proper lost circulation mate...
Authors
Salehi, S. et al University of Oklahoma
geothermalenergylost circulationfracture sealingshape memory polymerdiscrete element methodsmodelingeconomicdrillingtechnologylost circulation materiallcmsmpprocessed datacfdcomputational fluid dynamicsdem

Understanding Constraints on Geothermal Sustainability Through Reservoir Characterization at Brady Geothermal Field, Nevada

Jul 11, 2018
4.46 MB
Publicly accessible
The vast supply of geothermal energy stored throughout the Earth and the exceedingly long time required to dissipate that energy makes the world's geothermal energy supply nearly limitless. As such, this resource holds the potential to provide a large supply of the world's energy ...
Authors
Patterson, J. University of Wisconsin
geothermalenergyhydrogeologydtsreservoir characterizationnevadabrady hot springsborehole pressureborehole temperaturedistributed temperature sensingporotomosustainabilitysustainable usesubsurface propertiesresorceidentificationassessmentproductioncharacterizationtemperaturepressurethermalhydraulicpropertiesanalyticalmodelnumericalanalysisreservoirsensitivityflow pathsfracturesflowpathwayspreferentialheattransportparameterssimulationpower production

Effective Elastic and Neutron Capture Cross Section Calculations Corresponding to Simulated Fluid Properties from CO2 Push-Pull Simulations

Mar 07, 2018
4.46 MB
Publicly accessible
The submission contains a .xls files consisting of 10 excel sheets, which contain combined list of pressure, saturation, salinity, temperature profiles from the simulation of CO2 push-pull using Brady reservoir model and the corresponding effective compressional and shear velocity...
Authors
Chugunov, N. and Altundas, B. Lawrence Berkeley National Laboratory
geothermalenergyco2carbon dioxidepush-pullactive seismicwell loggingegsneutron capturesnuparstimulationsensitivity analysischaracterizationfaultfracturefluidbrine
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