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"discrete fracture modelling"×
Stimulation and Microseismicity×

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: 2024 Discrete Fracture Network Model Data

Sep 08, 2024
1.4 GB
Publicly accessible
The Utah FORGE 2024 Discrete Fracture Network (DFN) Model dataset provides a set of files representing discrete fracture network modeling for the FORGE site near Milford, Utah. The dataset includes four distinct DFN model file sets, each corresponding to different time frames and ...
Authors
Finnila, A. and Jones, C. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgedfndiscrete fracture modellingfracturesstochastic fracturestensile fracturesdiscrete fracture network modelegsplanar fracturespermeabilityporositycompressibilitystoragemeqhydraulic stimulationmodelmodelingprocessed data

Utah FORGE: 2023 Large Upscaled Discrete Fracture Network Models

Oct 02, 2023
7.83 GB
Publicly accessible
This dataset includes the data and a report on the large upscaled discrete fracture network modeling done for the Utah FORGE project in 2023. The FORGE modeling team is making five discrete fracture network (DFN) realizations of a large reservoir model available to researchers. Th...
Authors
Finnila, A. Energy and Geoscience Institute at the University of Utah
geothermalenergydfnfracturesutah forgeegs fracture modelwspforgeegslarge upscaled dfnroosevelt hot springswell 16a78-32reservoir engineeringfracmanengineered geothermal systemsstimulationmodellingpermeabilityporosityreservoir modelingdiscrete fracture networkreservoir propertiesfracture modeling

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

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

Utah FORGE: Discrete Fracture Network (DFN) Model (2025 v1) 3D Visualization Via the Seequent Central Public Viewer

Jan 08, 2026
664.3 kB
Publicly accessible
Visualize the Utah FORGE DFN model in three-dimensional space using the Seequent Central public viewer. 131 discrete planar fractures have been interpreted by Aleta Finnila (https://gdr.openei.org/submissions/1750) from various data sets obtained during the 2022 and 2024 stimulati...
Authors
Jones, C. and Finnila, A. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgedfndiscrete fracture networksequent3d dfnfracture model3d fracture modelsequent central public viewer3d visualizationprocessed datahydraulic stimulationmicroseismic datafracture interpretation16a78-3216b78-32planar fracturesmodelvisualizationgeophysicsgeomechanics

Utah FORGE 3-2417: Simulations for Distributed Acoustic Sensing Strain Signatures as an Indicator of Fracture Connectivity

Jan 01, 2023
21.99 MB
Publicly accessible
This dataset encompasses simulations of strain signatures from both hydraulically connected and "near-miss" fractures in enhanced geothermal systems (EGS). The files and results are presented from the perspective of digital acoustic sensing's (DAS) potential to differentiate the t...
Authors
Ward-Baranyay, M. et al Rice University
geothermalenergyforgeutah forgeegsmilfordutahcomsoldfnmatlabsimulationnear-miss fracturedasdistributed acoustic sensingmodelingstrainfogmoregeophysicshydrogeomechanicssub-nanostraincodestimulation

Modeling Responses of Naturally Fractured Geothermal Reservoir to Low-Pressure Stimulation

Jan 01, 2012
4.09 MB
Publicly accessible
Hydraulic shearing is an appealing reservoir stimulation strategy for Enhanced Geothermal Systems. It is believed that hydro-shearing is likely to simulate a fracture network that covers a relatively large volume of the reservoir whereas hydro-fracturing tends to create a small nu...
Authors
Fu, P. and Carrigan, C. Lawrence Livermore National Laboratory
geothermalhydraulic fracturinghydraulic shearingreservoir stimulationreservoir modelingdiscrete fracture networkenhanced geothermal systemegshydro-shearing

Investigation of Stimulation-Response Relationships for Complex Fracture Systems in Enhanced Geothermal Reservoirs

Jan 01, 2011
7.34 MB
Publicly accessible
Hydraulic fracturing is currently the primary method for stimulating low-permeability geothermal reservoirs and creating Enhanced (or Engineered) Geothermal Systems (EGS) with improved permeability and heat production efficiency. Complex natural fracture systems usually exist in ...
Authors
Fu, P. et al Lawrence Livermore National Laboratory
geothermalenhanced geothermal systemegsdiscrete fracture flowmodelingreservoir stimulationstimulationhydraulic fracturing

Fully Coupled Geomechanics and Discrete Flow Network Modeling of Hydraulic Fracturing for Geothermal Applications

Jan 01, 2011
5.25 MB
Publicly accessible
The primary objective of our current research is to develop a computational test bed for evaluating borehole techniques to enhance fluid flow and heat transfer in enhanced geothermal systems (EGS). Simulating processes resulting in hydraulic fracturing and/or the remobilization of...
Authors
Fu, P. et al Lawrence Livermore National Laboratory
geothermalgeothermal reservoir modelinghydraulic fracturingdiscrete flow networkfluid flowheat transferenhanced geothermal systemegsnon-isothermal unsaturated flow and transportnuft code

Simulating Complex Fracture Systems in Geothermal Reservoirs Using an Explicitly Coupled Hydro-Geomechanical Model

Jan 01, 2011
6.5 MB
Publicly accessible
Low permeability geothermal reservoirs can be stimulated by hydraulic fracturing to create Enhanced (or Engineered) Geothermal Systems (EGS) with higher permeability and improved heat transfer to increase heat production. In this paper, we document our effort to develop a numerica...
Authors
Carrigan, C. et al Lawrence Livermore National Laboratory
geothermalrock mechanicshydraulic fracturingenhanced geothermal systemegssimulationhydrohydrofrackingflowmodelmodelingreservoirfracking

Utah FORGE: Well 16A(78)-32 Stimulation DFN Fracture Plane Evaluation and Data

Oct 27, 2022
1.63 MB
Publicly accessible
This dataset includes files used to fit planar fractures through the preliminary earthquake catalogs of the three stages of the April 2022 well 16A(78)-32 stimulation which is linked bellow. These planar features have been used to update the FORGE reference Discrete Fracture Netwo...
Authors
Finnila, A. WSP Golder
geothermalenergydfnutah forgestimulationwell stimulationfracingfrackingdiscrete fracture networkwell fracturerock fractureswell fractureswell 16a78-32utah forge wellswell 16a78-32 stimulationexcelcsvpdfegsmodelingcharacterizationforge

Thermal Drawdown Induced Flow Channeling in Fractured Geothermal Reservoirs: Rock Mechanics and Rock Engineering

Nov 15, 2015
16.88 MB
Publicly accessible
We investigate the flow-channeling phenomenon caused by thermal drawdown in fractured geothermal reservoirs. A discrete fracture network-based, fully coupled thermal "hydrological" mechanical simulator is used to study the interactions between fluid flow, temperature change, and t...
Authors
Fu, P. et al Lawrence Livermore National Laboratory
geothermalthermal drawdownflow channelingthermomechanical couplingreservoir simulationstimulationegsenhanced geothermal reservoirsexplosive fracturing

Utah FORGE: Discrete Fracture Network (DFN) Data

Jun 24, 2020
10.65 GB
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. and Podgorney, R. Golder Associates Inc.
geothermalenergyutah forgeforgeutah geothermalreservoirengineeringhydraulicfracturingegsdiscrete fracture networkdfnfracture modellingmilfordmodelingfracturehydroshearinflatedpore pressurestressfracmanstimulationdrillingpressuregoldersimulationreservoir planninghydraulic fracturing

Fallon FORGE: Distinct Element Reservoir Modeling

Mar 12, 2018
57.97 MB
Publicly accessible
Archive containing input/output data for distinct element reservoir modeling for Fallon FORGE. Models created using 3DEC, InSite, and in-house Python algorithms (ITASCA). List of archived files follows; please see 'Modeling Metadata.pdf' (included as a resource below) for addition...
Authors
Blankenship, D. et al Sandia National Laboratories
geothermalenergyegsforgefallonnevadastresshydro-shearinghydraulic fracturesgeomechanicsthermalmicroseismicitygeometrycirculationstimulationreservoir modelvetted-nopython codescriptmicroseimicwell trajectoriesfracture aperturehydroshearingstereonet plotspercent fracture slip vs pressureinjectionstressesdfngeologic structurejoint networkleakoff ratioshear stimulatedshear displacementnormal displacementopenholecasedthermal drawdownseismicitywell locationsreservoir mappingmiocroearthquakesmeqthermal modelingfracture tendancymicroseismicanalysisanalysesmodellingmodelreservoir

Utah FORGE: 2023 Phase 3B Year 1 Annual Report

Aug 09, 2023
15.64 MB
Publicly accessible
This report discusses the objectives, goals, accomplishments and results of Phase 3B Year 1 of the Utah FORGE project. The report includes infrastructure, seismic monitoring, modelling, external R&D, communications and outreach, data produced, lessons learned, conclusions, and pla...
Authors
Moore, J. et al Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgeseismic monitoringinfrastructuremodellingrdcommunicationsoutreachannual reportplansdatamtmagnetotelluricphase 3bmilfordegsstimulationtracerinjectiongeophysicsmicroseismicforge reportssite operationsresource developmenttechnology development

Devices Suitable for Sectional Isolation Along Both Cased and Open-hole Wellbores Geomechanical Packer Formation Model Iteraction

Jun 20, 2023
73.05 MB
Publicly accessible
The main goal of this project is to develop an annular isolation system capable to withstand geothermal downhole conditions and mitigate the problems experienced by conventional packers in FORGE wells. This presentation outlines the work in rock modelling and interaction with the ...
Authors
Ghassemi, A. et al Welltec
geothermalenergywellborecasingdrillingtechnicalassessmentstimulationforgeegs

EGS Collab: Modeling and Simulation Working Group Teleconference Series (1-98)

Feb 04, 2020
11.93 GB
Publicly accessible
This submission contains the presentation slides and recordings from the first 98 EGS Collab Modeling and Simulation Working Group teleconferences. These teleconferences served three objectives for the project: 1) share simulation results, 2) communicate field activities and resul...
Authors
White, M. et al Pacific Northwest National Laboratory
geothermalenergyegs collabsurfhydraulicfracturingstimulationsanford underground research facilityexperimentegsmodelingtemperatureheat flowdtstracerpressureinjection testflowc-dots

Data for Uncontained Ruptures Reduce Energetics of Triggered Seismicity: Laboratory Fault Reactivation Experiments

Apr 13, 2026
43.25 MB
Publicly accessible
The dataset contains raw mechanical data from laboratory fault reactivation experiments on pre-stressed granite/granitoid samples, along with experimental parameters and MATLAB processing code for data deduction. The raw time-series data were recorded using a triaxial-shear appara...
Authors
Elsworth, D. et al Pennsylvania State University
injection-induced seismicityfault pre-stressseismic moment scalingrupture regimesinduced seismicitytriggered seismicityfault reactivationfluid injectionearthquake magnitudeforecastingrupture mechanicscontained ruptureuncontained ruptureseismic momentlaboratory experimentsraw datatriaxial sheargranitegranitoidgeomechanicsshear displacementaxial displacementmatlab

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

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

Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations

Apr 18, 2014
9.07 MB
Publicly accessible
This a report for the project "Mapping Fracture Network Creation with Microseismicity During EGS Demonstrations". Effective enhanced geothermal systems (EGS) require optimal fracture networks for efficient heat transfer between hot rock and fluid. Microseismic mapping is a key too...
Authors
Templeton, D. et al Lawrence Livermore National Laboratory
geothermalmicroseismicegsfracture creationmappingalgorithmmicroseismicityfracturingfracturenewberry

Utah FORGE 5-2615: Shear Enhanced Permeability In a Granitoid Fracture Presentation Slides

Feb 28, 2024
2.51 MB
Publicly accessible
Provided here is a set of presentation slides detailing stress-dependent permeability in FORGE granitoid fractures and how fracture slip affects permeability. It outlines empirical correlations between permeability, stress, and fracture aperture, emphasizing that mechanically clos...
Authors
Ghassemi, A. and Ye, Z. University of Oklahoma
geothermalenergyutah forgeegsfacture slippermeabilitystress-dependent permeabilitygranitoid fracturefracture networkstimulationapertureinjectionflow testshear testreservoir stressreportdata analysis

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

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
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