OpenEI: Energy Information
  • Geothermal Data Repository
  • My User
    • Sign Up
    • Login
 
  • Data
    • View All Submissions
    • Data Lakes
    • Data Standards
    • Submit Data
  • Help
    • Frequently Asked Questions
    • Data Submission Best Practices
    • Data Submission Tutorial Videos
    • Contact GDR Help
  • About
  • Search

Search GDR Data

Showing results 1 - 25 of 390.
Show results per page.
Order by:
Available Now:
Filters
Topic
Technologies
Demonstration Sites
Data Type
"non-ideal drilling conditions"×

Operational Performance Requirements For Motor Power Sections Used in Geothermal Drilling Based Upon Minimum Specific Energy

Sep 10, 2014
869.71 kB
Publicly accessible
Operational performance requirements are needed to support development of specifications for downhole motor power sections to be used for drilling hard rock during geothermal wellbore construction. Theoretical torque specifications are derived based upon a widely-accepted rock-re...
Authors
Raymond, D. Sandia National Laboratories
geothermalmotordownholespecific energytorquepower sectionbit wearhydrostatic pressureheterogeneous rockheterogeneous geologynon-ideal drilling conditionspoor drilling conditionsoperationsperformance requirementsmotor power sectionsdrillingwellwellboreconstruction

Caldwell Ranch Exploration and Confirmation Project, Northwest Geysers, CA: 2011 Geothermal Technologies Peer Review Project Summary

Jan 01, 2011
51.4 kB
Publicly accessible
Caldwell Ranch Exploration and Confirmation Project, Northwest Geysers, CA: 2011 Geothermal Technologies Peer Review Project Summary The Caldwell Ranch Exploration and Confirmation Project was to drill, test, and confirm the present economic viability of the undeveloped geothermal...
Authors
Walters, M. Geysers Power Company, LLC
geothermalcaldwell ranchlow temperature zonehigh temperature zonesteamtracernon-condensable gaseswaste water injectionre-completionsidetrackreservoirgeysers fieldpeer reviewsonoma countycalifornia

Drilling Monitoring Program: Computer Program on Heat Transfer Temperature Distribution Hydraulic Calculations for Abrasive Jet Drilling

Jan 01, 2011
1.71 MB
Publicly accessible
A program was created to evaluate the downhole conditions occurring in a FLASH ASJ drilling system. the program is meant to aid the operator of a coiled tubing rig in maintaining optimum drilling conditions.
Authors
Ozbayoglu, E. Impact Technologies LLC
geothermaldrillingmonitoringmicroholemicroboreunderbalancedcoiled tubingflash asj drilling systemabrasive jet drillingheat transfer

Ionic Fluids for EGS: Thermogravimetric Analysis of Ionic Liquids

Dec 14, 2023
10.24 MB
Publicly accessible
This dataset contains non-isothermal thermogravimetric analysis (TGA) results for ten ionic liquids. The tests were performed using a TGA 5500 system under an air atmosphere, with platinum pans and a 10 Hz sampling rate. Each test includes multiple thermal segments, typically invo...
Authors
Akhtarmanesh, S. et al Oklahoma State University
geothermalenergygeothermal working fluidstgaionic liquidsworking fluidsegs working fluidsthermogravimetricgeothermal fluidsegsenhanced geothermal systemsthermal stabilitynon-isothermal testinghigh-temperaturefluid characterizationraw datageochemistrylaboratory dataengineered fluids

Development of a Neutron Diffraction Based Experimental Capability for Investigating Hydraulic Fractures for EGS-like Conditions

Feb 01, 2013
385.75 kB
Publicly accessible
Understanding the relationship between stress state, strain state and fracture initiation and propagation is critical to the improvement of fracture simulation capability if it is to be used as a tool for guiding hydraulic fracturing operations. The development of fracture predict...
Authors
Polsky, Y. et al Oak Ridge National Laboratory
geothermalneutron diffractionstress statestrain statefracture initiationfracture simulationfracture predictionhydraulic fracturing neutron strain measurementhydraulic fracturingegshigh temperaturehigh pressurefracture

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

Geomechanical Modeling for Thermal Spallation Drilling

Aug 24, 2011
382.95 kB
Publicly accessible
Wells for Engineered Geothermal Systems (EGS) typically occur in conditions presenting significant challenges for conventional rotary and percussive drilling technologies: granitic rocks that reduce drilling speeds and cause substantial equipment wear. Thermal spallation drilling,...
Authors
Walsh, S. et al Lawrence Livermore National Laboratory
geothermalgeomechanical modelingthermal spallation drillingengineered geothermal systemsegsgeodynnumerical modeling

SGW paper Rheological Properties of Drilling Fluids Containing Special Additives for Geothermal Drilling Applications

Jan 04, 2023
1.3 MB
Publicly accessible
The paper was presented at the 46th Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 15-17, 2021. In this study, the effectiveness of different additives was evaluated in maintaining drilling fluid rheology at HPHT(high pressure and...
Authors
Mohamed, A. et al University of Oklahoma
geothermalrheologydrilling fluid additivesviscosifierfiltration controlgeothermal drillinghphtgeochemistrywellboredrilling technologyexperimenttechnologyreportsgwwelltemperature

Utah FORGE 4-2492: Design and Implementation of Innovative Stimulation Treatments to Maximize Energy Recovery 2023 Annual Workshop Presentation

Sep 08, 2023
194.2 MB
Publicly accessible
This is a presentation on the Design and Implementation of Innovative Stimulation Treatments to Maximize Energy Recovery Efficiency at the Utah FORGE Site project by The University of Texas at Austin, presented by Professor Mukul M. Sharma. The project's objectives were to place f...
Authors
Sharma, M. The University of Texas at Austin
geothermalenergyannual workshop2023utah forgeegsfracture conductivityfracture diagnosticsconnectivityfluid circulationuniform injection profileideal fracture characteristicsstimulationthief zonesflowrateinjection pressurefracture geometryoptimizationenergy recoveryefficiency

Supercritical Drilling Materials Analysis: Drilling and Completion Materials Database

Sep 18, 2025
457.8 kB
Publicly accessible
This dataset compiles information on geothermal wells drilled into supercritical and near-supercritical conditions, with a focus on drilling and completion materials, fluid chemistry, and laboratory validation studies. The data are drawn from well reports, scientific literature, a...
Authors
Kibikas, W. et al Sandia National Laboratories
geothermalenergysupercritical geothermaldrilling materialscompletion materialsgeothermal wellsdrill bitscasingdrill stringslinerscementdrilling fluidslost circulation materialslcmfluid chemistrymaterial performanceliterature reviewcasing connections

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

Cape EGS: Gold 6-IB: Mud Log, Mass Spectrometry, and Dipole Sonic-Derived Geomechanical Data

Apr 30, 2025
20.64 MB
Awaiting release
This dataset includes geological and geophysical well log data from the Gold 6-IB well at the Cape EGS site in Utah, collected between January and April 2025. The data span the full well depth from surface to total depth (15,054 feet) and encompass mud log information, mass spectr...
Authors
Dadi, S. and Adams, T. Fervo Energy
geothermalenergycape egsgold 6-ibmud logmass spectrometrydipole sonicgeomechanicsutah forgeacoustic slownessporosityanisotropywell logsgas analysislaslithologyraw data

Grain-Scale Failure in Thermal Spallation Drilling

Jan 01, 2012
646.35 kB
Publicly accessible
Geothermal power promises clean, renewable, reliable and potentially widely-available energy, but is limited by high initial capital costs. New drilling technologies are required to make geothermal power financially competitive with other energy sources. One potential solution is ...
Authors
Walsh, S. et al Lawrence Livermore National Laboratory
geothermalthermal spallation drillingthermomechanical processesmodelinggrain-scale mechanics

Establishing the Frontier Observatory for Research in Geothermal Energy (FORGE) on the Newberry Volcano, OR

Feb 22, 2016
Size unavailable
Publicly accessible
The proposed Newberry Volcano FORGE site is in central Oregon on the northwest flank of the largest volcano in the Cascades volcanic arc. Beneath Newberry Volcano is one of the largest geothermal heat reservoirs in the western United States, extensively studied for the last 40 yea...
Authors
Bonneville, A. et al Pacific Northwest National Laboratory
geothermalegsenhanced geothermal systemnewgenforgenewberryoregon

Stability of Elastomers Subjected to Geothermal Well-Like Conditions

Aug 10, 2014
1.45 MB
Publicly accessible
The aim of this study is to understand how commercially available elastomers perform under geothermal well-like conditions and make recommendations to the community based on these results. This poster highlights the mechanical performance of several elastomers (including EPDM, Vit...
Authors
Redline, E. et al Sandia National Laboratories
geothermalelastomershigh temperaturedownholeperformancewello-ring

NTB (Non-technical Barriers) Interviews with Geothermal Stakeholders for Geothermal Development in the Salton Sea.

Oct 01, 2021
219.56 kB
Publicly accessible
Non-technical barriers to deploying geothermal electricity projects in the United States can create significant delays and other challenges, leading to higher project risk and costs, lost opportunities to access policy incentives, and ultimately decreased competitiveness against o...
Authors
Levine, A. and Smith, L. National Renewable Energy Laboratory
geothermalenergycalifornianevadasalton searegulatorybarriersnon-technicalinterviewsenvironmentalstakeholdersntbnon-technical barriersnon technical barriers

SMP and Fracture Modeling

Oct 01, 2021
8.59 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

Fallon FORGE: 3D Geologic Model

Mar 01, 2018
949.28 kB
Publicly accessible
The 3D geologic model for the Fallon for site was constructed in EarthVision software using methods similar to (Moeck et al., 2009, 2010; Faulds et al., 2010b; Jolie et al., 2012, 2015; Hinz et al., 2013a; Siler and Faulds, 2013; Siler et al., 2016a, b) References are included in ...
Authors
Blankenship, D. and Siler, D. Sandia National Laboratories
geothermalenergyforgeegsgeologymodelearthvisionfaultsstratigraphyvetted-no3dfallonnv3d modelingfaultingstructurenevadamodellinggeologic

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

Lost Circulation Materials in Geothermal Drilling: Single Fracture Clogging Experments

Jan 06, 2025
9.9 MB
In progress
The submitted dataset was generated by a series of laboratory fracture clogging (permeability reduction) experiments using commercially available materials used for lost circulation management during geothermal well drilling. The experiments were conducted using a permeability plu...
Authors
Lawrence Berkeley National Laboratory
geothermalenergydrillinglost circulation managementlost circulation materialsfractureclogginglaboratory experiment

Simulation Tools for Modeling Thermal Spallation Drilling on Multiple Scales

Jan 01, 2012
633.76 kB
Publicly accessible
Widespread adoption of geothermal energy will require access to deeply buried resources in granitic basement rocks at high temperatures and pressures. Exploiting these resources necessitates novel methods for drilling, stimulation, and maintenance, under operating conditions that ...
Authors
Walsh, S. et al Lawrence Livermore National Laboratory
geothermalthermal spallation drillingnumerical modelingengineered geothermal systemsegsgranitic basement rocksfluid dynamicsheat transfergrain-scale thermomechanicsunified tool

Microhole drilling technology utilizing a golden section search algorithm

Jun 23, 2021
812.35 MB
Publicly accessible
A fundamental issue in microhole drilling is that delivering high weight-on-bit (WOB), high torque rotational horsepower to a conventional drill bit does not scale down to the hole sizes necessary to realize the envisioned cost savings An optimization algorithm called a golden sec...
Authors
Su, J. et al Sandia National Laboratories
geothermalpercussive hammerweight-on-bitoptimizationmicroholesslimholesdrillingexplorationmonitoringtechnical assessmentfeasibilitywobgssgolden section searchalgorithmblue canyon domenew mexico tech energetic materials research and testing centersocorronew mexico

Supercritical Drilling Materials Analysis: Report on Resources, Challenges, and Needed Technologies

May 01, 2026
19.98 MB
Awaiting release
This report describes a comprehensive review of 49 existing supercritical geothermal wells to inform future geothermal drilling attempts and avoid previous failure points and understand material and testing limitations, while collating information gathered in a publicly accessible...
Authors
Kibikas, W. et al Sandia National Laboratories
geothermalenergysupercriticaldrilling materialswell completionwellborematerial validationmaterial testinglaboratory experimentswell casingcasing connectionscementdrill bitfluid chemistrylost circulation materialslinerdrill stringsmaterial performancefailure pointsliterature reviewsupercritical wellsgeothermal wellsgeochemistrycirculationdrilling fluidstechnical reportnesjavellirhengillreykjaneskraflalarderellocampi flegreinisyroskakkondapunathe geyserssalton sealos humerosmenengai

Cape EGS: Gold 4-PB: Mudlog, Mass Spectrometry, Triple Combo, and Dipole Sonic-Derived Geomechanical data

Apr 30, 2025
30.1 MB
Awaiting release
This dataset includes geological and geophysical well logs from the Gold 4-PB well at the Cape EGS site near Utah FORGE, collected between December 2024 and January 2025. The dataset covers lithological, geochemical, and petrophysical data acquired during and after drilling. Data ...
Authors
Dadi, S. and Adams, T. Fervo Energy
geothermalenergycape egsutah forgeegsgold-4-pbgoldmass spectrometrymud logtriple combodipole sonicgeomechanicspetrophysicsresistivityporositywell logsanisotropygas analysislasraw data

Dataset for report: Non-Technical Barriers to Geothermal Development in California and Nevada

Mar 10, 2022
66.68 MB
Publicly accessible
In California and Nevada, geothermal projects are subject to non-technical barriers, which may create development delays leading to higher project costs and risks and decreased competitiveness with other electricity generation technologies. These non-technical barriers may include...
Authors
Levine, A. et al National Renewable Energy Laboratory
geothermalenergycalifornianevadasalton searegulatorybarriersnon-technicalinterviewsenvironmentalstakeholdersnon-technical barriersntbgeoreportseatpermitenvironmental reviewauthorizationseconomiclcoecostfeasibilityprocessed dataannual technology baselineatbimperial countychurchill county
12345Next >>
Google Map
  • About the GDR
  • Partners & Sponsors
  • Disclaimers
  • Developer Services
  • The GDR provides free access to data generated from projects funded by the U.S. Department of Energy's Office of Geothermal.
  • Content is available under Creative Commons Attribution 4.0 unless otherwise noted.

Privacy Policy Notification

This site uses cookies to store and share user preferences with other OpenEI sites, and uses Google Analytics to collect anonymous user information such as which pages are visited, for how often, and what searches or other webpages may have led users here. You can prevent Google Analytics from recognizing you on return visits to this site by disabling cookies on your browser or by installing a Google Analytics Opt-out Browser Add-on. By clicking "Accept" you agree this site can store cookies on your device and disclose information to OpenEI and Google Analytics in accordance with our privacy policy.

OpenEI Privacy Policy Google Analytics Terms of Service