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"fused silica surrogate cylindrical samples"×

Numerical Modeling for Hydraulic Fracture Prediction

Apr 26, 2016
1.1 MB
Publicly accessible
Numerical modeling on fused silica cylindrical materials for predicting overpressures required to fracture an homogeneous pure (surrogate) material with known mechanical properties similar to igneous rock materials and later compare these values to experimental overpressures obtai...
Authors
Gupta, V. Pacific Northwest National Laboratory
silicafracturingmodelingoverpressurepredictionnumerical modelingmechanical propertiesfused silica surrogate cylindrical samplesmaterial p[ropertiesfused quartzstress distributioncrack extensionstress intensity factorinternal pressureconfining pressurevariationstimulationreservoir

Lab-Scale Stimulation Results on Surrogate Fused Silica Samples

Jul 06, 2016
73.74 kB
Publicly accessible
Lab-scale stimulation work on non-porous fused silica (similar mechanical properties to igneous rock) was performed using pure water, pure CO2 and water/CO2 mixtures to compare back to back fracturing performance of these fluids with PNNL's StimuFrac.
Authors
Fernandez, C. Pacific Northwest National Laboratory
geothermaleffective pressurefused silicastimufraclab-scale stimulationfracturing proformancehydraulic fracturingquartzfracking fluidpressuremeasured effective pressuresupercritical co2reservoir stimulationegs

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

Purdue University: Results of B-Value Tests for Rock Saturation

Jun 20, 2022
2.73 MB
Publicly accessible
This dataset includes an Excel file with the results of B-value tests to determine the magnitude of the back pressure required for full saturation of Sierra White granite samples. Test were conducted on cylindrical rock specimens of Sierra White granite in a custom water pressuriz...
Authors
Han, K. et al Purdue University
geothermalenergyutah forgeb-valuesaturationrock saturationgranitelab testmaterialmaterial siencesierra white granitetesttestingmaterialsrockb valueprocessed data

Favorable Geochemistry from Springs and Wells in Colorado

Feb 01, 2012
119.5 kB
Publicly accessible
This layer contains favorable geochemistry for high-temperature geothermal systems, as interpreted by Richard "Rick" Zehner. The data is compiled from the data obtained from the USGS. The original data set combines 15,622 samples collected in the State of Colorado from several sou...
Authors
E., R. Flint Geothermal, LLC
geothermalgeochemistrycoloradoarcgisgisshapefileshape filegeospatialgeospatial datahydrologywater samplesegsenhanced geothermal

High-Temperature Inorganic Self-Healing Inorganic Cement Composites

Sep 13, 2017
1.42 MB
Publicly accessible
The data files below summarize the results from various experiments testing properties of high-temperature self-healing inorganic cement composites. These properties include cement-carbon steel bond strength, Young's modulus recovery, matrix recovery strength, and compressive stre...
Authors
Pyatina, T. and Sugama, T. Brookhaven National Laboratory
geothermalenergycarbon steelbond strengthcement-carbon steel bond strength recoveryhigh temperature cementself-healinghigh tempself healingstrength recoveryrepeated damagehigh temperaturescement compositesaged samplesclaypozzolanself-healing cementhigh temperaturepozzolanachemicalinorganiccementhigh-tempcompositeintegritytechnologywellbore

Utah FORGE 6-3712: Curated and Fused 2022 and 2024 Stimulation Injection Datasets and Processing Report February 2026

Feb 25, 2026
155 MB
Publicly accessible
This submission contains curated injection parameter datasets from the 2022 and 2024 stimulation experiments conducted at the Utah FORGE site, along with the report documenting the data processing workflow. The datasets were developed as part of Project 6-3712: Probabilistic Estim...
Authors
Williams, J. et al Global Technology Connection, Inc.
geothermalenergyinduced seismicityinjection parametersdatasetstimulationutah forgeegsstimulation experimentinjection datatreating pressureslurry rateclean ratecumulative injected volumeinflow rateflowbacktime-series dataprocessed datahydraulic stimulationfeomechanics

Hydrothermal mineral alterations in the Brady and Desert Peak geothermal fields

Oct 01, 2021
36.68 MB
Publicly accessible
Results of the analysis of HyMap's spectra against know hydrothermally altered minerals in the Brady-Desert Peak Geothermal Areas. The analysis was performed using ENVI's Target Detection process against USGS library spectra for Chalcedony, Kaolinite, Gypsum, Hematite and Epsomite...
Authors
Moraga, J. Colorado School of Mines
geothermalenergyhydrothermal mineral alterationsmineral markershymapbradydesert peakdata fusiongeospatial datamineral alterationsspectral analysistarget detectionremote sensingdataprocessed datageothermal areanevada

Finite Element Analysis (FEA) for Water-Foam Fracturing of Granite Rock

May 04, 2021
11.74 GB
Publicly accessible
In addition to the foam data that were obtained from literature and that were collected from the current study, simulation data was also generated from finite element analysis (FEA) conducted in this study using COMSOL Multiphysics software. The FEA models were built to simulate t...
Authors
Thakor, V. et al Temple University
finite element analysisenhanced geothermal systemfoam fracturinggraniteegsgeothermalenergysimulationfeamodelcomsolsolid mechanicsfoam fracturing fluidfoamfracturing fluid

Silica Precipitation and Lithium Sorption

Sep 20, 2015
484.63 kB
Publicly accessible
This file contains silica precipitation and lithium sorption data from the project. The silica removal data is corrected from the previous submission. The previous submission did not take into account the limit of detection of the ICP-MS procedure.
Authors
Renew, J. Southern Research Institute
geothermallithiumsilicaprecipitationremovalsorptionmineralextractionrecoveryicp-ms

Silica Precipitation from Geothermal Brines: Effects of Iron Addition, Kinetics, Temperature, pH, and Brine Concentration

Feb 06, 2016
239.79 kB
Publicly accessible
This document provides results of experiments aimed at removing silica from geothermal brines. All experiments were conducted with simulated brines. The data presented shows the effect of iron addition, kinetics, temperature, pH and brine concentration.
Authors
Renew, J. Southern Research Institute
geothermalsilica precipitationph effectiron to silica ratiotemperature effectbrine concentration effectkinetic effectsilicaphkineticstemperatureprecipitationsiironfe

Applications of Geothermally-Produced Colloidal Silica in Reservoir Management Smart Gels

Jan 31, 2013
3.56 MB
Publicly accessible
In enhanced geothermal systems (EGS) the reservoir permeability is often enhanced or created using hydraulic fracturing. In hydraulic fracturing, high fluid pressures are applied to confined zones in the subsurface usually using packers to fracture the host rock. This enhances r...
Authors
Hunt, J. et al Lawrence Livermore National Laboratory
geothermalzonal isolationreservoir managementfluid diversioncolloidal silicasilicacoproduction

Laboratory data for characterizing acoustic emissions during differential stress-driven and pore-pressure-driven failure in granite

Sep 20, 2026
Size unavailable
Curated
This dataset contains acoustic-emission (AE), ultrasonic-transmission, permeability, and hydromechanical measurements from triaxial laboratory experiments comparing differential stress-driven and pore-pressure-driven failure in saturated, thermally cracked Barre granite at 80 degr...
Authors
Nakata, N. and Pec, M. Lawrence Berkeley National Laboratory
geothermalenergyaegranitelaboratory experimentpermeabilityfracture networksstressstrainseismic monitoringraw datatraffic lightdifferential stress

Nanofiltration Results: Membrane Removal of Calcium, Magnesium, Sodium, Silica, Lithium, Chlorine, and Sulfate from Simulated Geothermal Brines

Feb 06, 2016
35.91 kB
Publicly accessible
Results from a nanofiltration study utilizing simulated geothermal brines. The data includes a PDF documenting the process used to remove Calcium, Magnesium, Sodium, Silica, Lithium, Chlorine, and Sulfate from simulated geothermal brines. Three different membranes were evaluated...
Authors
Renew, J. Southern Research Institute
membrane nanofiltrationcalcium removalmagnesium removalsodium removalsilica removallithium removalchlorine removalsulfate removalmineral recoverynanofiltrationsimluated geothermal brinesilicachlorinesulfatelithiumsodiumcalciummagnesium

Magnetic Nanofluid Rare Earth Element Extraction Process Report, Techno Economic Analysis, and Results for Geothermal Fluids

Mar 14, 2016
1.86 MB
Publicly accessible
This GDR submission is an interim technical report and raw data files from the first year of testing on functionalized nanoparticles for rare earth element extraction from geothermal fluids. The report contains Rare Earth Element uptake results (percent removal, mg Rare Earth Ele...
Authors
McGrail, P. Pacific Northwest National Laboratory
geothermalreemofnanofluidrare earth elementmetal organic frameworkgeothermal mineral recoveryneodymiumeuropiumyttriumdysprosiumcesiummagnetic separationmetal uptaketechno economic analysisrare earth element extractiontechno economicsilica sorbentsuptake results

New Mexico Play Fairway Analysis: Conservative Ion Water Chemistry Data and Chalcedony Geothermometry

Oct 21, 2015
9.57 MB
Publicly accessible
Compilation of boron, lithium, bromine, and silica data from wells and springs throughout New Mexico from a wide variety of sources. The chalcedony geothermometry calculation is included in this file.
Authors
Kelley, S. New Mexico Bureau of Geology and Mineral Resources
geothermalnew mexicosilicaboronbrominelithiumchalcedony geothermometryconservative ionsgeothermometrywater chemistrychemistryconservative ionaqueous chemistrynmpfatemperatureexplorationcharacterizationwaterplay fairway analysis

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

Gd Uptake Experiments for Preliminary Set of Functionalized Adsorbents (With Content Model)

Jul 01, 2015
261.5 kB
Publicly accessible
These data summarize adsorption experiments conducted with Gd in 0.5 M NaCl. Results represent preliminary, proof-of-concept data utilizing fine-powder silica gel as the adsorbent support. Future testing will focus on larger, application-appropriate beads.
Authors
Noack, C. Carnegie Mellon University
geothermalreeadsorptionseparationgd uptakegadoliniumgdmineral uptakeusgin content modelngds content modelgeochemistrywater chemistrybrinechemistrybrine studyadsorbentsilica gelcontent model

Tularosa Basin Play Fairway Analysis: Hydrothermal Alteration Map

Nov 15, 2015
50.08 kB
Publicly accessible
This is a hydrothermal alteration map of the Tularosa Basin area, New Mexico and Texas that was created using Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) multispectral data band ratios based upon diagnostic features of clay, calcite, silica, gypsum, ferr...
Authors
Brandt, A. University of Utah
geothermaltularosabasinhydrothermalalterationmaptexasnew mexicoplay fairway analysispfaasterexplorationgeospatial datageologytularosa basin

Maps, Models and Data from Southeastern Great Basin PFA

Jun 30, 2017
846.11 kB
Publicly accessible
This submission includes composite risk segment models in raster format for permeability, heat of the earth, and MT, as well as the final PFA model of geothermal exploration risk in Southwestern Utah, USA. Additionally, this submission has data regarding hydrothermally altered are...
Authors
Nash, G. Energy and Geoscience Institute at the University of Utah
geothermalenergyexplorationplay fairway analysisutahheatpermeabilityopalmtmagnetotelluricpfahydrothermal alterationsinterhidden geothermal systemsblind geothermal systemsshapefileshape filearcgisgisgeospatial dataxrdx-ray diffractionmilfordphase 2segbgbgreat basinse great basineasterngeophysicsheat floweastern great basinhydrothermal

3D Model of the San Emidio Geothermal Area

Dec 31, 2013
34.77 MB
Publicly accessible
The San Emidio geothermal system is characterized by a left-step in a west-dipping normal fault system that bounds the western side of the Lake Range. The 3D geologic model consists of 5 geologic units and 55 faults. Overlying Jurrassic-Triassic metasedimentary basement is a ~500 ...
Authors
E., J. University of Nevada
geothermalsan emidio geothermal area3d modelsan emidiofaultingstratigraphystratigraphic unitsfaultscross-sectioncross sectiongeologygeologic unitsgeologic contactdatageospatial data

Raw Neutron Scattering Data for Strain Measurement of Hydraulically Loaded Granite and Marble Samples in Triaxial Stress State

May 23, 2014
22.11 MB
Publicly accessible
This entry contains raw data files from experiments performed on the Vulcan beamline at the Spallation Neutron Source at Oak Ridge National Laboratory using a pressure cell. Cylindrical granite and marble samples were subjected to confining pressures of either 0 psi or approximate...
Authors
Polsky, Y. Oak Ridge National Laboratory
geothermalneutronstrainhydraulic fracturingegsdiffractiongranitemarbletriaxialhydraulic fracturestressneutron scatteringvulcan beamline

Oregon Cascades Play Fairway Analysis: Maps

Dec 15, 2015
62.8 MB
Publicly accessible
The maps in this submission include: heat flow, alkalinity, Cl, Mg, SiO2, Quaternary volcanic rocks, faults, and land ownership. All of the Oregon Cascade region. The work was done by John Trimble, in 2015, at Oregon State University.
Authors
Trimble, J. University of Utah
geothermalheatflowheatflowkrigingoregoncascadesalkalinitygeochemistrylandownershiphotspringsfaultsmaficfelsicvolcanicsquaternarymgmagnesiumconcentrationchlorideclfaultmapsio2silicasilicatesamplelocationspfa

Utah FORGE: Geothermal Resource Assessment Report 2024

Jun 20, 2025
750.87 kB
Publicly accessible
This report provides a first-order assessment of the producible energy from the Utah FORGE EGS reservoir, based on stimulation and circulation testing in 2024. The assessment is based on a stored heat calculation for a cylindrical volume of stimulated hot dry rock enveloping the d...
Authors
Simmons, S. and Barker, B. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgegeothermal resource assessmentgeothermal resource assessment reportgeothermal energyhot dry rockegsstored heatresource assessmentrecovery factor16b78-32technical reportcirculation testpower productionanalytical solution

Advanced Sorbent Structure Recovery of Rare Earths, Precious Metals and Other Critical Materials from Geothermal Waters and Its Associated Technoeconomics

Sep 21, 2016
438.56 kB
Publicly accessible
The work evaluates, develops and demonstrates flexible, scalable mineral extraction technology for geothermal brines based upon solid phase sorbent materials with a specific focus upon rare earth elements (REEs). The selected organic and inorganic sorbent materials (silica and MOF...
Authors
Addleman, R. et al Pacific Northwest National Laboratory
geothermalsorbentsnanorare earth elementsreesprecious metalsmineral recoverygreen mininginorganic sorbent removal efficiencyorganic sorbent removal efficiencycomposite thin filmree
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