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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

EGS Collab Experiment 1: Second Set Tracer Test Results

Dec 19, 2019
4.94 MB
Publicly accessible
The EGS Collab project is developing ~10-20 m-scale field sites where fracture stimulation and flow models can be validated against controlled, small-scale, in-situ experiments. The first multi-well experimental site was established at the 4850 level in the Homestake Mine in Lead,...
Authors
Neupane, G. et al Idaho National Laboratory
geothermalenergyegs collabsurftracer testssigma-vc-dotsrhodamine-bfluoresceinbreakthrough curvechloridetracer datahydraulicfracturingsimulationtracerexperimentalegssanford underground research facilityinjectionsodium chloridelithium bromidecesium iodinetestbed 1stimulation

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

Hawaii Play Fairway Analysis: Noble Gas Raw Data for Hawaii, Maui, Oahu, Kauai, and Lanai islands

Oct 06, 2020
141.44 kB
Publicly accessible
Noble gas raw data for the Hawaiian islands of Big Island, Maui, Oahu, Lanai, and Kauai. Based on results from prior phases of the Hawaii Play Fairway Analysis, this project targeted 66 wells on the islands of Hawaii, Maui, Lanai, Oahu, and Kauai for sampling of dissolved noble ga...
Authors
Ferguson, C. and Lautze, N. University of Hawaii
geothermalenergyhawaiiplay fairwaylanaikauaioahunoble gasmauigeochemistryr/rar/ra anomoliesindicatorssurveyriftlower east rift of kilaueasouthwest rift of haleakalarift zonescalderasheliumcalderapfaplay fairway analysisgas datanoble gas dataraw datawell

Structural Inventory of Great Basin Geothermal Systems and Definition of Favorable Structural Settings

Dec 31, 2013
244.5 kB
Publicly accessible
Structural controls of 426 geothermal systems in the Great Basin region including western Nevada, central Nevada, northwestern Nevada, northeastern Nevada, east-central Nevada, eastern California, southern Oregon, and western Utah were analyzed with literature research, air photos...
Authors
Faulds, J. University of Nevada
geothermalquaternary faultsstructural controlsblind geothermal systemstemperaturegeothermometryfield visitswestern nevadacentral nevadanorthwestern nevadanortheastern nevadaeast-central nevadaeastern californiasouthern oregonwestern utahutahnevadaoregoncaliforniabaltazor hot springblue mountainbog hot springdyke hot springshoward hot springmacfarlane hot springmcgee mountainpinto hot springsbeowawecrescent valleyhot springs pointdann ranchhand-me-down hot springsgolcondapumpernickel valleytipton hot springsash springschimney hot springduckwaterhiko hot springiverson springmoon river hot springmoorman springrailroad valleywilliams hot springwalleys hot springantelope valleyfales hot springsbuckeye hot springstravertine hot springsteels marshrhodes marshcolumbus marshalum-silver peakfish lake valleygabbs valleywild roserawhide-wedell hot springsalkali hot springsbaileys/hicks/burrell hot springsalvord hot springbaileys hot springburrell hot springhicks hot springantelope hot springhart mountainborax lakecrump geysermickey hot springnewcastleveyo hot springdixie hot springthermorooseveltcove fortred hill hot springjoseph hot springhatton hot springabraham-baker hot springsgreat basinhot creek butte

Project Red: Monitoring Well 73-22 Geophysical and Mud Logging Data 2022

Jul 30, 2025
19.14 MB
Awaiting release
This dataset contains open-hole geophysical and mud logging measurements acquired in 2022 from Monitoring Well 73-22 in the Blue Mountain Geothermal Field, Humboldt County, Nevada. Data were collected by Baker Hughes, Baker Atlas, Horizon Well Logging, and other service providers ...
Authors
Dadi, S. et al Fervo Energy
geothermalenergyblue mountainblue mountain geothermal fieldegsnevadahumboldt county73-22monitoring wellproject redgeothermal well logswell logsgeophysical loggingmud loggingacoustic slownesscompressional slownessshear slownessstoneley wavemonopole acousticdipole acousticazimuthal anistropygamma ray logresistivity logneutron porositydensity logcaliper logborehole conditionsbulk modulusshear modulusmechanical propertieslithologyalteration mineralsfracturesgas detectionlasraw dataprocessed datafervo

Illite Dissolution Rates and Equation (100 to 280 deg C)

Oct 17, 2014
24.27 kB
Publicly accessible
The objective of this suite of experiments was to develop a useful kinetic dissolution expression for illite applicable over an expanded range of solution pH and temperature conditions representative of subsurface conditions in natural and/or engineered geothermal reservoirs. Usi...
Authors
Carroll, S. Lawrence Livermore National Laboratory
geothermalillitedissolution kineticsillite dissolutionrateequationexperiment

Newberry EGS Demonstration: Well 55-29 Stimulation Data

Dec 08, 2012
273.53 MB
Publicly accessible
The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started 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 ...
Authors
T., T. AltaRock Energy Inc
geothermalegsdiverter materialmicroseismic monitoringtemperature monitoringgroundwater monitoringnewgengeophysical logsdiverter injectionseismicwell constructiondaily reporttracer injection and groundwater monitoringlithologytemperaturegeochemistrystimulation datapublicationswhpflowstimulationhydraulicwaterseismicitymonitoringmicroseismicitywelllogdrillingreportcataloggeophysicscasing55-29diverterstzim

Utah FORGE: Well 16A(78)-32 Stimulation Data (April, 2022)

May 18, 2022
288.94 MB
Publicly accessible
This is a set of data related to the stimulation program at Utah FORGE well 16A(78)-32 during April, 2022. This includes daily reports, 1 second Pason data, tracer data, and shear stimulation data and information including a report of an evolving prognosis for the stimulation oper...
Authors
McLennan, J. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgewell 16a78-32well 16a78-32 stimulationwell stimulationutah forge well stimulationegsstimulationpasondaily reportsshear stimulationraw dataprognosislow-rate pumpingwell datamilfordforgetracer datatracer test

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

Chlorite Dissolution Rates From 25 to 275 degrees and pH 3 to 10

Sep 27, 2013
91.48 kB
Publicly accessible
We have calculated a chlorite dissolution rate equation at far from equilibrium conditions by combining new data (20 experiments at high temperature) with previously published data Smith et al. 2013 and Lowson et al. 2007. All rate data (from the 127 experiments) are tabulated in...
Authors
Lawrence Livermore National Laboratory
geothermalchlorite dissolution rate lawgeochemistrygeothermal kinetic databasechemical alterationegschlorite dissolution ratechlorite dissolutiondissolution ratedataraw dataprocessed data

Magnetotelluric Data Collected in 2016 over the San Emidio Geothermal Field in Nevada

Nov 09, 2016
132.47 MB
Publicly accessible
This data set includes the magnetotelluric (MT) data collected from October 21 to November 9, 2016 over the San Emidio geothermal field in Nevada by Quantec Geoscience USA Inc. on behalf of US Geothermal Inc. as part of a project entitled "A Novel Approach to Map Permeability Usi...
Authors
Folsom, M. et al Ormat Technologies, Inc.
geothermalenergywholescalewaterholeobservationstresssystemspatialtemporalphysicsmodelinghydrologicthermalmechanicalprocessed datageophysicsintegrated geologic modelpassive micro-seismicgravitymagnetotelluricspacific dc intertie

Washington State Play Fairway Analysis Passive Monitoring of St. Helens Shear Zone for Tomography and Precision Microseismic Event Detection

Oct 03, 2017
16.49 MB
Publicly accessible
Data resources were derived from a passive seismic survey of the northern St. Helens Shear Zone on geothermal leases 12-24 km north of Mount St. Helens for phase 2 of the Geothermal Play-Fairway Analysis of Washington State Prospects. A 20 seismic station array of broadband seismo...
Authors
Swyer, M. et al AltaRock Energy Inc
geothermalenergyexplorationpassive seismic monitoringpassive seismic tomographyambient noise tomographymicro-seismicitywashington statest. helens shear zonemount st. helensvpvsvp/vsfocal mechanismsrelocated seismic eventsmt st helensmount saint helensmt saint helensvelocityseismicsite assessmentresource assessmentsite investigationpfatomographygeophysics

Utah FORGE: Temperature-Dependent Mode-I Fracture Toughness of Granite from SCB Tests Dataset and Methods Report

Feb 23, 2026
617.16 kB
Publicly accessible
This submission includes a methods report and an accompanying Excel dataset documenting temperature-dependent Mode-I fracture toughness (KIC) measurements for Utah FORGE granite obtained using semi-circular bending (SCB) tests in accordance with the ISRM Suggested Method. Testing ...
Authors
Dvory, N. and McLennan, J. University Of Utah
geothermalenergyfracturefracture toughnessforgeutah forgefracture propagationscb/nscbtemperaturelefmfpzegsmodel-ikicsemi-circular bendingscbnscbgranitehigh-temperature testingwell 58-32laboratory testingraw datatechnical reportgeomechanics

Utah FORGE: Updated FMI Fracture Log from Well 16A(78)-32

Apr 17, 2024
308.48 MB
Publicly accessible
This dataset consists of an Excel spreadsheet detailing the fracture picks from a reinterpretation of the formation micro-imaging (FMI) log from Utah FORGE well 16A(78)-32. The provided information details fracture location, geometry, and type. Also included here is a link to the...
Authors
Handwerger, D. Energy and Geoscience Institute at the University of Utah
geothermalenergyfmi logmeasured well depthtrue verticle depthazimuthdip directionfracture typefracture datafractures16a16a78-32utah forgefmiegswell logprocessed data

Water chemistry data and calculations for Fracture Sustainability Tests

Sep 30, 2020
1.26 MB
Publicly accessible
Measured cation, anion, and silica are presented as well as calculations evaluating mass balance performed for 4 fracture sustainability tests under EGS conditions: Stripa granite, Metamudstone, Rhyolitic Ashflow Tuff, and Silicified Rhyolitic Tuff. Calculations of charge balance ...
Authors
Kneafsey, T. et al Lawrence Berkeley National Laboratory
geothermalenergyfracturewater chemistryexperimentgranitedesert peakbradyegsreservoirfracture sustainability teststriparhyolitic ashflowtuff cationsilicified rhyoliticmetamudstonecationanionsilicamass balancepermeabilityshear-inducedgroundwater chemistrygroundwatergeochemistrymetasedimenteffluent

EGS Collab Experiment 1: Common Discrete Fracture Network

Sep 18, 2019
5.69 MB
Publicly accessible
This package includes data and models that support hydraulic fracture stimulation and fluid circulation experiments in the Sanford Underground Research Facility (SURF). A paper by Schwering et al. (2020) describes the deterministic basis for developing a "common" discrete fracture...
Authors
Schwering, P. et al Sandia National Laboratories
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegsgeophysicsfracturenetworkdiscrete fracture networkdfnfluidflowmodeldatafluid circulationboreholeweepcoresystemenhanced geothermal systemsandia national laboratorieselectrical resistivitywellinjection testtracerdrilling

Seismic Analysis of Spatio-Temporal Fracture Generation During EGS Resource Development Deviatoric MT, Fracture Network, and Final Report

Sep 01, 2018
62.11 kB
Publicly accessible
This submission contains 167 deviatoric moment tensor (MT) solutions for the seismicity observed two years prior and three years post start of injection activities at The Geysers Prati 32 EGS Demonstration. Also included is a statistical representation of the properties of 751 fra...
Authors
Gritto, R. et al Array Information Technology
geothermalenergythe geysershigh temperature reservoirdeviatoric mt solutionsdeviatoricstresstensorcatalogmomentseismicityanalysisegsinjectioninducedmicroseismicityeventlocationshearstrainfracture networkfracture orientationfracture sizecaliforniacafaultfracturenetworkgeysersmicroseismichypocenterspassiveseismicmonitoringstimulationfinal reportinversionhydraulicfaultingearthquakegeophysicsgeophysical

Data of High-Temperature Dynamic LCM Testing Setup

May 31, 2021
9.94 MB
Publicly accessible
Data from high temperature dynamic sealing tests for various fracture widths, at various temperatures (degrees F), with 5 wt.% bentonite-based mud containing various material fiber contents, at 100 to 400 psi differential pressure. Data from pressure test and evaluation of the dy...
Authors
Magzoub, M. et al University of Oklahoma
geothermal drillinglost circulationshape memory polymergranitefractureswellbore strengtheningsealabilitygeothermalenergylost circulation materialssealing pressurefiltrationsmart lcmsmpfracture sealingdrilling fluid additivestemperaturemodeldrillingwellboreexperimenttechnologyprocessed data

EGS Collab Experiment 2: Continuous Active Source Seismic Monitoring (CASSM)

Jan 06, 2025
15.42 GB
Publicly accessible
The dataset contains continuous active-source seismic monitoring (CASSM) data collected during EGS Collab Experiment 2, conducted from February to September 2022 at the Sanford Underground Research Facility in Lead, South Dakota. This experiment aimed to investigate enhanced geoth...
Authors
Hopp, C. et al Lawrence Berkeley National Laboratory
geothermalenergyegs collabcassmseismicactive-sourcesurfstimulationcrosswellseismic monitoringraw data3caccelerometerthre componentcalibrationtechnical reportborehole arrayshot recordsactive-source monitoringexperiment 2triggeredtriggered recording systemgeophysicsegs

Penn State Lab Testing Fluid-Rock Interaction in Geothermal Reservoirs

Jan 01, 2018
5.53 GB
Publicly accessible
This project focused on assessment and discovery of fluid-rock interaction in geothermal reservoirs. We accomplished work in four main areas: 1) fracture formation and the relationship between fluid flow and shear failure, 2) assessment of fracture geometry and fluid permeability ...
Authors
Madara, B. et al Pennsylvania State University
geothermalenergylab testingfracture formationshear failurefluid flowfracture geometryfluid permeabilityacoustic measurementsinjectionseismicitytriaxial experimentsdynamic stressingreservoir permeabilityfracture flowpermeability evolutionacoustic fracture characterizationfrictional stabilitydynamic triggeringinjection induced seismicityinduced seismicityshear slipshear flowberea sandstonewesterly graniteegsacoustic emissionslab earthquakes

Deep Direct-Use Feasibility Study Estimation of Reservoir Properties for the Tuscarora Sandstone

Dec 19, 2019
56.41 MB
Publicly accessible
This dataset contains black-and-white photographic images of individual core segments from well Preston 119 and photomicrographs taken of petrographic thin sections from well Clay 513. Minipermeameter measurement results of 2,260 samples for fracture and matrix permeability on cor...
Authors
McDowell, R. West Virginia University
geothermalappalachian basinwvuwvgestuscarora sandstonethin section analysisminipermeameterpermeabilityddudeep direct-usematrix permeabilitycore segmentsfracture analysisreservoir analysisphotomicrographsfracture permeabilityfeasibilityreservoirgeologicthermalpropertiesthicknessdepthcharacterizationwvegs

Improved Microseismicity Detection During Newberry EGS Stimulations

Oct 01, 2013
23.03 kB
Publicly accessible
Effective enhanced geothermal systems (EGS) require optimal fracture networks for efficient heat transfer between hot rock and fluid. Microseismic mapping is a key tool used to infer the subsurface fracture geometry. Traditional earthquake detection and location techniques are oft...
Authors
Templeton, D. Lawrence Livermore National Laboratory
geothermalegsseismicitymicroseismicitystimulationfracturereservoirearthquakesmonitoringmicroseismicseismicnewberry

Shear Induced Permeability Test: Stripa Granite Temperature Pressure and Displacement Data

Jun 21, 2014
12.32 MB
Publicly accessible
Spreadsheet containing the raw measured data, calibrated data, and brief explanation of data for Test1 Stripa Granite Geomechanical/Geochemical Test. Stress on fracture ~20.7 MPa.
Authors
Kneafsey, T. Lawrence Berkeley National Laboratory
geothermalexperimentalegsfracturechemistryaperturemineralogystripagranitemechanics

EGS Collab Experiment 1: SIMFIP Notch-164 GRL Paper

Sep 24, 2020
11.52 MB
Publicly accessible
Characterizing the stimulation mode of a fracture is critical to assess the hydraulic efficiency and the seismic risk related to deep fluid manipulations. We have monitored the three-dimensional displacements of a fluid-driven fracture during water injections in a borehole at ~1.5...
Authors
Guglielmi, Y. Lawrence Berkeley National Laboratory
geothermalenergysimfipnew borehole instrumenthydrofractureegs collabnucleateanisotropyshear displacementwellboreexperimentstimulationseismicseismicityfracturehydraulic conductivitystressshearboreholemicro-shearingfoliationinjection testsanford underground research facilitysurfegshydraulicgeophysicsdisplacementflow rate
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