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"HDPE loop"×

Community Geothermal: Final Thermal Conductivity Test Report and Data Logs Carbondale, CO

Oct 20, 2023
1.71 MB
Publicly accessible
Provided here are a final thermal conductivity test report, a drilling log, and a heat rejection log from Carbondale, CO. Also attached is a report made before drilling, which contains predictions on the hydrogeologic conditions of the drill site. The forty-eight (48.9) hour in-si...
Authors
Ewbank, G. et al Clean Energy Economy for the Region (CLEER)
geothermalcarbondalecoloradothermal conductivitytestin-situcommunity geothermalgeothermal heat exchangerghexdrill logheat of rejectiondeep earth temperaturehydrogeologytechnical reportboreholehdpe loopborehole resistancethermal diffusivitygshpcommgeo

Rare Earth Element Content of Thermal Fluids from Surprise Valley, California

Sep 23, 2015
830.5 kB
Publicly accessible
Rare earth element measurements for thermal fluids from Surprise Valley, California. Samples were collected in acid washed HDPE bottles and acidified with concentrated trace element clean (Fisher Scientific) nitric acid. Samples were pre-concentrated by a factor of approximately 1...
Authors
Fowler, A. and Zierenberg, R. University of California
geothermalrare earth elementssurprise valleymineral recoveryrare earth element aqueous chemistryhot springsboiling springsreeaqueous chemistrycontent modelaqueous chemistry analysisaasg

Design of an Airlift Bioreactor

Mar 13, 2017
417.07 kB
Publicly accessible
An important consideration for the process design is cell immobilization-enabled flow-through operation. Large-scale biosorption relies on cells that are immobilized on a supporting substrate and used to 'attract' metal ions. Cell immobilization allows easy separation of the feed...
Authors
Jiao, Y. et al Lawrence Livermore National Laboratory
geothermalenergybioreactorairliftrare earthbiosorptionadsorptionreebiofilmresource recoverybioadsorption

COMSOL Models and Simulation Results for Closed-Loop Geothermal Systems with Thermal Enhancements

Dec 15, 2023
91.3 MB
Publicly accessible
The Closed-Loop Geothermal Working Group and the National Renewable Energy Laboratory (NREL) have studied the performance of disc-shaped and linear thermal enhancements (conductive material introduced around a wellbore) in closed-loop geothermal systems. COMSOL models were develop...
Authors
Beckers, K. et al National Renewable Energy Laboratory
geothermalenergythermal enhancementscosmolsimulationmodelclosed-loopsteady-statetransientsimulation resultsassessmentclosed loop geothermal

Community Geothermal: Planning and Design of a Heating and Cooling System in Framingham, Massachusetts

Sep 01, 2024
3.57 MB
Publicly accessible
These reports, plans, and drawings review the achievements of Home Energy Efficiency Team (HEET) and its partners to plan and design a network of interconnected ground-source heat pump systems, or geothermal network, in an area encompassing multiple environmental justice (EJ) neig...
Authors
Varela Gutierrez, I. et al Home Energy Efficiency Team (HEET)
geothermalenergyheatingcoolingcommunitydesignstakeholdercommgeoheetenvironmental justiceground source heat pumpgshpframinghammassachusettsinterconnected loopsexpansion loopmonitoringmeteringoperationsmaintenancepermittingplanreport

Magnetic Test Loop Particle Retention Data for REE Extraction from Geothermal Fluids

Jul 27, 2018
396.3 kB
Publicly accessible
Measurements of particle extraction efficiency under various flow rate and magnetic power conditions
Authors
McGrail, P. and Liu, J. Pacific Northwest National Laboratory
geothermalenergymineral extractionreerare earthretentionoperationratecomparisonnanoparticleabsorbancemagneticextractionelementmineralparticle

Community Geothermal: Community Thermal Energy Network Report and Design Drawings Carbondale, CO

Sep 30, 2024
16.44 MB
Publicly accessible
This dataset provides an overview of the design, development, and technical specifications of for a community-scale geothermal heating and cooling system in Carbondale, Colorado. This thermal energy network (TEN) within the town's Three-Two Zero Energy District (32ZED) is part of ...
Authors
Fox-Rubin, J. Clean Energy Economy for the Region (CLEER)
geothermalenergycommgeocase studydesign drawingsretrofitthermal energy networkten32zedtechnical reportcommunity engagementambient temperature loopborefieldhigh temperature loopmechanicalelectricaldesignsspecificationsatlhtlpumpsheat pumpsblueprintscarbondalecolorado

Community Geothermal: Seward Alaska Heat Loop District Energy System Modelica Model

Sep 29, 2024
Size unavailable
In progress
This dataset contains a Modelica-based dynamic thermal simulation model of the Seward Heat Loop project. The model contains building loads generated from DesignBuilder simulations of the four city-owned buildings that are connected to the system. These buildings are heated by a hy...
Authors
Mitchell, M. et al National Renewable Energy Laboratory
geothermalenergyheat pumpocean sourcewell datacommgeo

Northwestern Michigan College Formation Thermal Conductivity Test Report

Jul 31, 2025
1.68 MB
Publicly accessible
This report summarizes a formation thermal conductivity test performed July 29-31, 2025 on a579-ft vertical bore at Northwestern Michigan College in Traverse City, Michigan. It describes the test setup, operating conditions, data acquisition procedures, calibration details, and bo...
Authors
Streich, G. Northwestern Michigan College
geothermalwell databorethermal conductivitythermal conductivity testgeothermal boreholevertical closed-loop systemline-sourceloop temperaturethermal diffusivityundistrurbed formation temperaturedrilling logdistrict heating and coolingprocessed datatechnical reportashraecalibrationclosed loop geothermal

Closed Loop Geothermal Working Group: GeoCLUSTER App, Subsurface Simulation Results, and Publications

Feb 03, 2023
177.77 MB
Publicly accessible
To better understand the heat production, electricity generation performance, and economic viability of closed-loop geothermal systems in hot-dry rock, the Closed-Loop Geothermal Working Group a consortium of several national labs and academic institutions has tabulated time-depe...
Authors
Beckers, K. et al Pacific Northwest National Laboratory
geothermalenergyclosed loopclosed loop geothermal working groupgeoclusteru-shape configurationcoaxial configurationwater working fluidsco2 working fluidlcohlcoeapplicaitonhdf5databaseinstallationclgwghot-dry rockhdrcodepythondashsubsurfacesimulationmodelingeconomiccoaxialu-shapedconfigurationclosed loop geothermal

GHPsRUS: Geothermal Heat Pump Employment and Installation Price Data

Jul 09, 2013
5.55 MB
Publicly accessible
The GHPsRUS Project's full name is "Measuring the Costs and Benefits of Nationwide Geothermal Heat Pump Deployment." The dataset contains employment and installation price data collected by four economic surveys: (1)GHPsRUS Project Manufacturer & OEM Survey, (2) GHPsRUS Project G...
Authors
Battocletti, L. Bob Lawrence and Associates, Inc.
geothermalgeothermal heat pumploop installation pricemechanical equipment installation priceemploymentgeographic locationmanufacturersindustryghpcost-benefit

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

Ground Source Heat Pump Computational Results

Jul 31, 2013
7.79 MB
Publicly accessible
This data submission includes simulation results for ground loop heat pump systems located in 6 different cities across the United States. The cities are Boston, MA, Dayton, OH, Omaha, NE, Orlando, FL, Sacramento, CA, and St. Paul, MN. These results were obtained from the two-dime...
Authors
Menart, J. Wright State University
geothermalground source heat pump systemscomputational resultsfull temperature field resultstemperature profileshome heating and cooling load informationsacramento cast. paul mn.boston maomaha neorlando fldayton oh

Utah FORGE 2-2446: Closing the Loop Between In-Situ Stress Complexity and EGS Fracture Complexity 2024 Annual Workshop Presentation

Aug 26, 2024
70.79 MB
Publicly accessible
This is a presentation on Closing the Loop Between In-Situ Stress Complexity and EGS Fracture Complexity by Lawrence Livermore National Laboratory, presented by Matteo Cusini. The video discusses the combination of high-fidelity simulations and true-triaxial block fracturing tests...
Authors
Cusini, M. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgein-situ stressegs fractureegs fracturesfracturesrock fractureshydraulic fracturesegs stimulationsfracingminifracdiagnostic fracture injection teststress magnitudesstress directionslawrence livermore national labratoryllnlegs

Ground Source Heat Pump Computational Results

Jul 31, 2013
7.79 MB
Publicly accessible
This data submission includes simulation results for ground loop heat pump systems located in 6 different cities across the United States. The cities are Boston, MA, Dayton, OH, Omaha, NE, Orlando, FL, Sacramento, CA, and St. Paul, MN. These results were obtained from the two-dime...
Authors
Menart, J. Wright State University
geothermalground source heat pump systemcomputational resultsfull temperature fieldssimulationground source heat pump systemstemperature profileshome heating and cooling load informationsacramentocast. paulmn.bostonmaomahaneorlandofldaytonoh

Lost Circulation Materials in Geothermal Drilling: Thermal Degradation, Viscosity, Compression, and Flow Loop Tests

Feb 01, 2022
2.29 GB
Publicly accessible
This dataset provides a set of experimental data on the performance of lost circulation materials (LCMs) used in geothermal drilling operations. It includes results from four distinct tests: thermal degradation, viscosity measurements, compression tests, and high-temperature flow ...
Authors
Kibikas, W. et al Sandia National Laboratories
geothermalenergylost circulation materialslcmgeothermal drillingdrillingraw dataprocessed datamass loss measurementslost circulation managementdegradationthermal degradationdegradation patternrheologyfluiddrilliing fluidhigh temperatureflow testcompression testflow loop testsealingviscosity measurements

U.S. Geothermal Heat Pump Siting Regulation and Zoning Ordinances (2026)

Sep 21, 2026
95.6 MB
Curated
This is a collection of documented state and local ordinances governing geothermal heat pumps (GHPs), ground-source heat pumps, and related geothermal exchange wells and loop systems throughout the United States. The data were compiled using the Infrastructure Continuous Ordinance...
Authors
Pinchuk, P. et al National Laboratory of the Rockies
geothermalheatpumpexchangegeo-exchangeheatingcoolingwellclosed loopopen loophorizontal loopvertical loopordinanceregulationsetbacknoisepermittingaillmcompassinfra-compassmachine readablegeothermal heat pumpghpartificial intelligenceheating and cooling

Utah FORGE 2-2446: Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity 2025 Workshop Presentation

Sep 18, 2025
129.72 MB
Publicly accessible
This is a presentation on the Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity project by Lawrence Livermore National Laboratory, presented by Dr. Fan (Frank) Fei. The project's objective was to employ a combination of high-fidelity simulations and tr...
Authors
Kroll, K. and Fei, F. Lawrence Livermore National Laboratory
geothermalenergyutah forgeegs2025 annual workshopin-situ stresshydraulic fracturingfracture complexitytrue-triaxial testingstress characterizationpresentationpresentation recordingpresentation slidesreport

Finite Volume Based Computer Program for Ground Source Heat Pump System Final Scientific Report

Jul 31, 2013
5.62 MB
Publicly accessible
The goal of this project was to develop a detailed computer simulation tool for GSHP (ground source heat pump) heating and cooling systems. Two such tools were developed as part of this DOE (Department of Energy) grant; the first is a two-dimensional computer program called GEO2D ...
Authors
Menart, J. and Frederick, J. Wright State University
geothermalground source heat pump systemscomputer modelingvertical wellshorizontal wellsheat rate resultscop resultsfinal reportgeo2dgeo3dcodecomputermodelingwellsreportheat pumps

Utah FORGE 2-2446: Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity 2023 Annual Workshop Presentation

Sep 08, 2023
81.21 MB
Publicly accessible
This is a presentation on the Closing the Loop Between In-situ Stress Complexity and EGS Fracture Complexity project by Lawrence Livermore National Laboratory, presented by Dr. Matteo Cusini. The project's objective was to employ a combination of high-fidelity simulations and true...
Authors
Cusini, M. and Bunger, A. Lawrence Livermore National Laboratory
geothermalenergyannual workshop2023utah forgeegshigh-fidelity simulationstru-triaxialblock fracturing testsin-situ stresshydraulic fracture patternsfracture nucleationfracture propagationmodelingin-situ stress characterizationphase-field modelfracture simulationnear wellborefield datanumerical model

GLADE Project: Pre-Feasibility Economic Evaluation by National Lab of the Rockies

Aug 28, 2026
1.96 MB
Publicly accessible
The Geothermal Limitless Approach to Drilling Efficiencies (GLADE) project was undertaken in Denver-Julesburg (DJ) Basin Colorado to evaluate whether advanced oil and gas drilling practices could be adapted to improve geothermal well construction in deep, hot, hard-rock environmen...
Authors
Mibei, G. et al OXY USA Inc.
geothermalenergyeconomic evaluationdj basincoloradogladetechno-economicclosed-loopegsfeasibilitythermophysicaldrilling costlcoe sensitivity

Ground Source Heat Pump Parameter Survey

Jul 31, 2013
1.42 MB
Publicly accessible
The purpose of this report is to investigate the effects of various parameters in a horizontal loop geothermal heat pump system. The obtained values include the temperature distribution over the entire system as well as the exiting temperature and bulk heat rate of the fluid. The ...
Authors
Gray, E. Wright State University
geothermalground source heat pumpparameter surveyeffect of specific heateffect of thermal conductivityeffect of pipe diametereffect of pipe lengtheffect of fluid velocitysurvey results

Brady's Geothermal Field Distributed Temperature Sensing Data

Mar 26, 2016
339.56 MB
Publicly accessible
This submission is an 8 day time history of vertical temperature measurements in Brady observation well 56-1 collected during the PoroTomo field experiment. The data was collected with a fiber-optic DTS system installed to a depth of 372 m below wellhead. DTS installation uses a d...
Authors
Patterson, J. University of Wisconsin
porotomodtsegsbradyfiber-opticstemperaturenevadaboreholeporoelastic tomographydistributed temperature sensinghot springs

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

Community Geothermal: Soil Conductivity, Borehole Design, Energy Models, and Load Data for a Residential System Development Hinesburg, VT

Aug 30, 2024
743.47 MB
Publicly accessible
This dataset contains materials from the Coalition for Community-Supported Affordable Geothermal Energy Systems (C2SAGES) project, which evaluated the techno-economic feasibility of a community geothermal system for a residential development in Hinesburg, VT. The dataset includes ...
Authors
Jogineedi, R. et al GTI Energy
geothermalenergycommunity geothermalgeothermal sizingborehole testinggeothermal heat pumpworkforce developmentbuilding energy modelingground heat exchangergeothermal network designcommunity engagementcommgeohinesburgvermontmodelicaenergyplusonepipepythonmodelingthermal conductivity testreportenergy modelborehole designhourly energy loadssizinggeothermal loop sizingsystem designdevelopment
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