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Showing results 101 - 125 of 182.
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EGS Collab: Hydraulic Fracturing Test Measurements on the 4100L of SURF

Aug 15, 2019
21.63 MB
Publicly accessible
This package includes data from two days of testing at the Sanford Underground Research Facility (SURF) on the 4100 level. The tests were performed in borehole TV4100 in the battery charging alcove south of the Yates shaft. TV4100 is a vertical borehole ~50 meters deep. A series o...
Authors
Ingraham, M. et al Sandia National Laboratories
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegsblack hillsboreholestressdatapressureflowinjectioninitial shut in pressureisipfractureraw datashift reports4100linjection testheat flowrhyoliteamphibolitegeophysics

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

Techno-Economic Simulation Results Using dGeo for EGS-Based District Heating in the Northeastern United States

Sep 30, 2024
3.1 MB
Publicly accessible
This dataset presents the results of techno-economic simulations performed using the Distributed Geothermal Market Demand Model (dGeo) to evaluate the feasibility of Enhanced Geothermal Systems (EGS)-based district heating in the Northeastern United States. Developed by the Nation...
Authors
Pauling, H. National Renewable Energy Laboratory
geothermalenergyegsdistrict heatingdgeoteatechno-economic analsyisfeasibilityegs feasibilityegs direct usedeep direct usedudducapexopexlcohmodelinggeothermal market demandmodelsimulationthermal demandheating demanddistrict heating networks

Utah FORGE: Laboratory Fault Reactivation and Permeability Evolution During Fluid Injection

Sep 15, 2025
182.35 GB
Publicly accessible
This dataset contains results from controlled shear reactivation experiments performed on cylindrical Westerly and granitoid granite samples with a single inclined fracture. Laboratory faults were pre-loaded near failure and reactivated by fluid injection to examine relationships ...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergyinduced seismicityutah forgewesterly granitegranitoidpermeabilityshear stimulationegsfault reactivationfluid injectionpermeability evolutionseismicityacoustic emissionssingle inclined fractureshear stresspore pressuretriaxial testingmechanical datageomechanicsraw dataprocessed dataacoustic data

Hawaii Play Fairway Analysis: Lanai Resistivity and Density 3D Inversion Models

Jun 01, 2020
42.2 MB
Publicly accessible
To prepare for its third phase, the Hawaii Play Fairway project conducted groundwater sampling and analyses in ten locations in the Hawaiian islands, magnetotelluric (MT) and gravity surveys, as well as calculations of 3D subsurface stress due to the weight of the rock underlying ...
Authors
Lautze, N. et al University of Hawaii
geothermalenergyhawaiilanaimagnetotelluricgravityhaleakalamauimauna keamtmasurveydatateststresssubsurfacevolcanoresistivitydensityfracture induced permeabilityegsenhanced geothermal systemresourcepotentialresource probabilityexploratory drilling

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: Phase 3A, Year 2, Annual Report

Jul 29, 2022
45.42 MB
Publicly accessible
This is the annual report for Utah FORGE Phase 3A, year two, which was published on July 28th, 2022. The report includes site infrastructure, site operations, seismic monitoring reports, FORGE modeling reports, and external research and design. The ultimate objective of Utah FORGE...
Authors
Moore, J. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeannual reportutah forge phase 3a reportutah forge reportutah forge reportsreportphase reportutahforgemodelingsite infrastructuresite operationsoperationsegsresource developmenttechnology development

Utah FORGE: Documentation on Discrete Fracture Network and Fracture Propagation Modelling

Feb 07, 2023
6.04 MB
Publicly accessible
This dataset includes reports and a slide presentation on discrete fracture network (DFN) generation and hydraulic fracture modeling at the Utah FORGE site. It details the characterization of natural fractures using well log and core data, as well as stochastic modeling techniques...
Authors
Sharma, M. and Cao, M. University of Texas
utah forgegeothermalfracture modellingdiscrete fracture modellingfracture propagation modellingutah forge fracture modellingdfnwell 16a78-32well 58-32fracture propagationegsenhanced geothermal systemsstimulationprocessed 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

EPRI Report: Enhancing Geothermal Representation in EPRI's US-REGEN Model

Dec 13, 2024
1.86 MB
Publicly accessible
This report examines improvements to the representation of geothermal resources and technologies, including hydrothermal, near-field, and deep enhanced geothermal systems (EGS), in EPRI's US-REGEN capacity expansion model. Using updated datasets from the National Renewable Energy ...
Authors
Molar-Cruz, A. and Johnson, N. National Renewable Energy Laboratory
geothermalenergycapacity expansion modelegshydrothermalus-regenenergy systems modelingcarbon capture and storageccstemperature-based classificationgeothermal cost assumptionsenergy planningrenewable energytechnology assessmentresource disaggregationpower generation modelingreedseprinreltechnical report

Utah FORGE: Slide-Hold-Slide Experiments on Gneiss at Increased Temperature

Jul 25, 2023
4.1 GB
Publicly accessible
Included are data from triaxial, single-inclined-fracture friction experiments. The experiments were performed with slide-hold-slide protocol on Utah FORGE gneiss at increased temperature. With a ~10 MPa normal stress, temperatures vary between experiments from room temperature u...
Authors
Eijsink, A. and Elsworth, D. Pennsylvania State University
geothermalenergyfrictionsingle inclined fractureslide-hold-slideacoustic dataacoustic emissionpassive acousticgeophysicsfracturereactivationgneissutah forgeegsfriction dataactive acousticvelocity data

Applications of Fractured Continuum Model to Enhanced Geothermal System Heat Extraction Problems

May 06, 2014
5.77 MB
Publicly accessible
This paper describes the applications of the fractured continuum model to the different enhanced geothermal systems reservoir conditions. The capability of the fractured continuum model to generate fracture characteristics expected in enhanced geothermal systems reservoir environm...
Authors
Kalinina, E. et al Sandia National Laboratories
geothermalsimulationegsheat extractionfracturefractured continuum modelfracture continuumfracture characteristicsreservoir environmenthorizontal wellsvertical wells

Utah FORGE: Microseismic Events

Jul 08, 2019
262.54 kB
Publicly accessible
This archive contains Excel spreadsheets containing microseismic events detected in the study area during Utah FORGE Phase 2C. The Readme file included that describes the meaning of the abbreviations used as field headers in the spreadsheets. Additionally, there is a .dat (text) f...
Authors
Rutledge, J. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeutah forge phase 2cutahmicroseismic eventsegsfracturereservoirstimulationmicroseismicityseismicitystressmilfordinjectionfrature networkhypocentersspectralmicroearthquakesforgephase 2croosevelt hot springsprocessed data

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 5-2557: Final Report and Presentation for the Role of Fluid and Temperature in Fracture Mechanics and Coupled THMC Processes for Enhanced Geothermal Systems

Nov 30, 2025
163.74 MB
Publicly accessible
This contains a final technical report and closeout presentation recording summarizing the results from Utah FORGE Project 5-2557 on the role of fluid pressure and temperature in fracture mechanics and coupled thermo-hydro-mechanical-chemical (THMC) processes relevant to enhanced ...
Authors
Pyrak-Nolte, L. Purdue University
geothermalenergythermo-hydro-mechanical-chemicalthmcutah forgeegstechnical reportlaboratory experimentstheoretical developmentsnumerical simulationscirculation testsfracture slippermeability evolutionseismicaseismicmoose farmfriction theoryaijoint inversion

Performance, Cost, and Financial Parameters of Geothermal District Heating Systems for Market Penetration Modeling under Various Scenarios

Mar 23, 2017
Size unavailable
Publicly accessible
The U.S. Department of Energy Geothermal Vision (GeoVision) Study is currently looking at the potential to increase geothermal deployment in the U.S. and to understand the impact of this increased deployment. This paper reviews 31 performance, cost, and financial parameters as inp...
Authors
Beckers, K. and Young, K. National Renewable Energy Laboratory
geothermalenergydirect-usedistrict heatingegsgdhenhancedengineeredgeovisionhydrothermaleconomicfinancialoperation and maintenanceomcostperformancedeploymentmarket

Utah FORGE: 3D Gravity Data

Jun 24, 2019
11.24 MB
Publicly accessible
These resources describe the 3D geophysical inversion modeling of gravity data at the FORGE site near Milford, Utah. FORGE is the Frontier Observatory for Research in Geothermal Energy and the site in Utah has been selected by the U.S. Dept. of Energy for a 5-year R&D program to t...
Authors
Hardwick, C. and Witter, J. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forge3d gravity datagravity datautah forge gravity datautah geothermalcomplete bouguerdensity modelgravityterrestrial gravity surveyobserved gravityforgegeophysics3d3d model3d gravitygravity anomalyegsmilfordinversionmodellinginverseroosevelt hot springsbougertop of granitedensitysurveysimple bougerfree airterrain correctiongeologiccorrectioncorrectedutahmodelmodeling

Utah FORGE: Well 16A(78)-32 Simplified Discrete Fracture Network Data

Jun 01, 2021
525.86 MB
Publicly accessible
The FORGE team is making these fracture models available to researchers wanting a set of natural fractures in the FORGE reservoir for use in their own modeling work. They have been used to predict stimulation distances during hydraulic stimulation at the open toe section of well 1...
Authors
Finnila, A. Golder Associates Inc.
geothermalenergyutah forgeforgeutah geothermalreservoirengineeringhydraulicfracturingegsdfndiscrete fracture networkwell 16a78-32utahenhanced geothermal systemengineered geothermal systemfracmanroosevelt hot springsroosevelt hot springs geothermal sitemilfordprocessed datacsvwelldrillingstimulationpressuremodelmodeling

Utah FORGE 5-2419: Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging 2023 Annual Workshop Presentation

Sep 08, 2023
225.24 MB
Publicly accessible
This is a presentation on the Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging project by Pennsylvania State University, presented by Derek Elsworth. The project's objectives were to explore controls and acoustic signatures of aseismic through seismic e...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergyannual workshop2023utah forgeegsaseismicfrictionstabilitypermeabilityshear-reactivationreservoir stimulationproductionmanagementacoustic signaturespresentationnonlinear acoustic imaging

CO2 Push-Pull Single Fault Injection Simulations

Sep 21, 2017
24.3 MB
Publicly accessible
ASCII text files containing grid-block name, X-Y-Z location, and multiple parameters from TOUGH2 simulation output of CO2 injection into an idealized single fault representing a dipping normal fault at the Desert Peak geothermal field (readable by GMS). The fault is composed of a ...
Authors
Borgia, A. et al Lawrence Berkeley National Laboratory
geothermalenergyco2 injectionfault characterizationfault imagingseismic imagingegstough2gmsfracturespermeable flow pathspermeability characterizationidentificationcarbon dioxideinjectionproductionfault sensitivityfault systemfracture systemrock propertiesfluid mechanicspressure transientstimulationreservoir

Brady's Geothermal Field Seismic Network Metadata

Dec 21, 2014
38.38 kB
Publicly accessible
Brady's geothermal field seismic network station locations and dates of operation.
Authors
Foxall, W. University of Wisconsin
geothermalegs microearthquake monitoringbrady egs seismic monitoring networkmetadataseismic networkseismic monitoringbradyegsporotomoseismicitymicroseismicitymeqinduced seismicitybradys geothermal fieldbradys hot springsearthquake

Utah FORGE: Direct Shear Test Data for Investigating Seismic Precursors to Shear Failure of Fractures

Jun 11, 2024
3.13 MB
Publicly accessible
This dataset includes results of direct shear tests to investigate the mechanical and geophysical response of dry and saturated fractures in Indiana limestone and Sierra White granite. Direct shear tests were performed on tensile-induced fractures in Indiana limestone and Sierra W...
Authors
Han, K. et al Purdue University
geothermalenergyutah forgesaturationgranitesierra white granitelab testdirect shear testshear strengthshear stressgeophysicsp-waves-waveexcelprocessed dataelastic wave propagationegslaboratory datarmreshearfracturesindiana limestonetransducer

Snake River Plain Play Fairway Analysis: Phase 1 Report

Jan 25, 2016
13.65 MB
Publicly accessible
This presents the results of Phase 1 of the Snake River Plain Play Fairway Analysis project, along with a proposed work for Phase 2. No new data were collected, but we list data sources for our compilation. The Snake River volcanic province (SRP) overlies a thermal anomaly that e...
Authors
Shervais, J. et al Utah State University
geothermalenergyplay fairway analysissnake river plainarcgisegsgisgeospatial datatemperaturestructureresource assessmentpfamodelingresourcecharacterizationmountain homesnake river mountain home modelingnumerical modelmagnetotelluricsmagnetotelluricgravitythermalsrpmtgeophysicsblindidaho

Utah FORGE: Fluid Injection-Rate Controls on Seismic Moment from Laboratory Fault Reactivation Experiments

Sep 16, 2025
5.43 GB
Publicly accessible
This dataset contains experimental and acoustic data from shear reactivation tests that investigate the relationship between fluid-injection rate, pore pressure distribution, and seismic moment during laboratory fault slip. It includes raw mechanical data and acoustic emission rec...
Authors
Elsworth, D. et al Pennsylvania State University
geothermalenergyinduced seismicityegsgeomechanicsutah forgegranitoidlaboratory experimentsfault reactivationshear slipfluid injectioninjection ratepore pressurepore pressure distributionseismic momentacoustic emissionspermeabilitytriaxial testingshear stressaxial displacementpressure vesselmechinical datatime-series dataraw dataprocessed datamatlab

kISMET Core Photos and Descriptions

Aug 02, 2016
15.5 GB
Publicly accessible
These core photos and descriptions were taken from the five boreholes that were drilled as part of the kISMET SubTER project conducted at the Sanford Underground Research Facility (SURF) in Lead, SD. The boreholes are subvertical in orientation, and were drilled on the 4850 level ...
Authors
Dobson, P. et al Lawrence Berkeley National Laboratory
geothermalsubterstresshydraulic fracturingegssanford underground research facilitycorepoorman formationsurfkismetcore logscore photoscore descriptionsborehole
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