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EGS Collab Experiment 1: Second Set Tracer Test Results

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,...

Neupane, G. et al Idaho National Laboratory

Dec 19, 2019
4 Resources
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Penn State Lab Testing Fluid-Rock Interaction in Geothermal Reservoirs

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 ...

Madara, B. et al Pennsylvania State University

Jan 01, 2018
5 Resources
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Technology Development and Field Trials of EGS Drilling Systems at Chocolate Mountain

Polycrystalline diamond compact (PDC) bits are routinely used in the oil and gas industry for drilling medium to hard rock but have not been adopted for geothermal drilling, largely due to past reliability issues and higher purchase costs. The Sandia Geothermal Research Departmen...

Knudsen, S. et al Sandia National Laboratories

Jan 01, 2012
3 Resources
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Fully Coupled Geomechanics and Discrete Flow Network Modeling of Hydraulic Fracturing for Geothermal Applications

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...

Fu, P. et al Lawrence Livermore National Laboratory

Jan 01, 2011
2 Resources
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Utah FORGE 1-2551: Multi-Stage Fracturing System and Well Tractor to Enable Zonal Isolation During Stimulation and EGS Operations in Horizontal Wellbores Workshop Presentation and Report

Included here are a presentation recording, slides, and report on the Multi-Stage Fracturing System and Well Tractor to Enable Zonal Isolation During Stimulation and EGS Operations in Horizontal Wellbores project by Colorado School of Mines, presented by Dr. William W. Fleckenstei...

Fleckenstein, W. et al Colorado School of Mines

Sep 08, 2023
3 Resources
0 Stars
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Devices Suitable for Sectional Isolation Along Both Cased and Open-hole Wellbores Geomechanical Packer Formation Model Iteraction

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 ...

Ghassemi, A. et al Welltec

Jun 20, 2023
2 Resources
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Utah FORGE 2-2404: Determination of Reservoir-Scale Stress State Presentation Slides

This PowerPoint summarizes the integration of multiple approaches and data to constrain wellbore stress models at Utah FORGE. This stress determination used faulting theory, breakouts, and drilling-induced cracks detected in image logs. Wellbore stress profiles were established f...

Ghassemi, A. et al The University of Oklahoma

Jul 31, 2022
1 Resources
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Aqueous Rare Earth Element Patterns and Concentration in Thermal Brines Associated with Oill and Gas Production

This study is part of a joint effort by the University of Wyoming (UW) School of Energy Resources (SER), the UW Engineering Department, Idaho National Laboratories (INL), and the United States Geological Survey (USGS) to describe rare earth element concentrations in oil and gas pr...

Nye, C. et al University of Wyoming

Feb 01, 2017
2 Resources
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Lancaster County Adult Detention Facility Geothermal Well Field Project Presentation

This PowerPoint presentation describes the ground source heat pump system installed at the District Energy Corporation's thermal plant at the Lancaster County Adult Detention Facility in Lincoln, NE. The detention facility is a 270,000 sq. ft., 750 bed, secured facility.

Davlin, T. District Energy Corporation

Apr 29, 2011
1 Resources
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2011 Glass Buttes Exploration and Drilling

2011 Geothermal Technologies Program Peer Review Presentation summarizing relevance, proposed approach, and logistics of the Glass Buttes Exploration and Drilling.

Walsh, P. Ormat Nevada Inc

Jan 01, 2011
1 Resources
0 Stars
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Conducting a 3D Converted Shear Wave Project to reduce exploration risk at Wister, CA: Geothermal Technologies Program 2011 Peer Review

2011 Peer Review of the 'Conducting a 3D Converted Shear Wave' Project to reduce exploration risk at Wister, CA.

Matlick, S. Ormat Nevada Inc

Jun 01, 2011
1 Resources
0 Stars
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Ormat Maui Project 2011 Peer Review Presentation: Blind Geothermal System Exploration in Active Volcanic Environments

Geothermal Technologies Program Peer Review Presentation on Blind Geothermal System Exploration in Active Volcanic Environments. Includes plans and statuses for multi-phase geophysical and geochemical surveys in overt and subtle volcanic systems in Hawaii and Maui.

Martini, B. Ormat Nevada Inc

Jun 07, 2011
1 Resources
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The Use of 3D Geologic Modeling to Improve Well Targeting in Glass Buttes, Oregon

The Glass Buttes Project includes combining a suite of high-resolution geophysical and geochemical techniques to reduce exploration risk by characterizing hydrothermal alteration, fault geometries and relationships. This is aided through geologic observation, modern remote sensing...

Walsh, P. Ormat Nevada Inc

Oct 09, 2011
1 Resources
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Aqueous Rare Earth Elements, Concentration, and Stable Isotopes in Deep Basin Brines, Wyoming

Presentation given to National Groundwater Association meeting on deep basin brines. This presentation discusses why produced waters are being observed, the importance of REE's, the study areas examined, the data collected, and the relationship between REE concentration and possib...

Quillinan, S. et al University of Wyoming

Apr 25, 2017
1 Resources
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Numerical Modeling for Hydraulic Fracture Prediction

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...

Gupta, V. Pacific Northwest National Laboratory

Apr 26, 2016
1 Resources
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Exploring for Geothermal Resources in a Dormant Volcanic System: The Haleakala Southwest Rift Zone, Maui, Hawai'i

Suites of new geophysical and geochemical surveys provide evidence for geothermal resource at the Haleakala Southwest Rift Zone (HSWRZ) on Maui Island, Hawai'i. This poster outlines the Site's background, the geophysical surveys conducted on the Site (LiDAR, gravity and magnetics)...

Martini, B. et al Ormat Nevada Inc

Dec 01, 2011
1 Resources
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Peer Review Presentation: Blind Geothermal System Exploration in Active Volcanic Environments

Martini, B. Ormat Nevada Inc

May 19, 2010
2 Resources
0 Stars
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Conducting a 3D Converted Shear Wave Project to Reduce Exploration Risk at Wister, CA

2010 Peer Review of the 'Conducting a 3D Converted Shear Wave' Project to reduce exploration risk at Wister, CA. The presentation includes a timeline, budget, barriers, and partners. The objective of the project is also explained in the presentation.

Matlick, S. Ormat Nevada Inc

May 18, 2010
2 Resources
0 Stars
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First Priority Geothermal Target Areas as Identified by ASTER and LANDSAT Thermal Imaging of Parts of Colorado

The CIRES remote sensing unit of the University of Colorado was commissioned by Flint Geothermal LLC to identify areas of warm ground that could signify the thermal signature of "blind" geothermal systems. Using ASTER and LANDSAT data along with other characteristics considered fa...

Hussein, K. Flint Geothermal, LLC

Feb 01, 2012
1 Resources
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Gas Propagated Borehole Fracture Model And Simulation

We developed a model for fracture production produced during detonation of an explosive mixture in a 10m packed off section of a shallow borehole. The model is based upon an actual field and lab experiments on low-damage borehole fracturing performed at Sandia National Labs by Mar...

Carrigan, C. Lawrence Livermore National Laboratory

Nov 15, 2015
1 Resources
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High-Temperature Self-Healing Geothermal Cement Composites

A presentation with notes showing an overview of the last 6 months of the project on high-temperature self-healing inorganic cement composites. General approach, test methods and results for the self-healing cement composites are presented. Data include strength recoveries for 9 c...

Pyatina, T. and Sugama, T. Brookhaven National Laboratory

Mar 21, 2017
1 Resources
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Hawthorne Nevada Deep Direct-Use Feasibility Study Peer Review Presentation

The objective of this project is to use a multi-disciplinary, three-tiered approach to assess the geothermal resource and determine the feasibility of implementing a large-scale, direct-use facility for the Hawthorne Army Depot (HAD) and the various town and county facilities in H...

Lowry, T. Nevada Bureau of Mines and Geology

Nov 13, 2017
1 Resources
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Utah FORGE 3-2535: Building a 3D Resistivity Model for Simulation and Survey Design of EM Measurements

The included report outlines the creation of three 3D resistivity models that will be used to determine the sensitivity of EM measurements for the hypothetical stimulated reservoir at FORGE as well as for EM survey design. FORGE project 3-2535 is planning on using a casing source ...

Alumbaugh, D. et al Lawrence Berkeley National Laboratory

Dec 01, 2022
5 Resources
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Transport of CO2 in Stimuli-Responsive Fracking Fluid, StimuFrac

CO2 breakthrough experiments in a column packed with sand and filled with StimuFrac fluid or water to learn about transport of the stimuli (CO2) on environments where either water or the stimuli-responsive polymer aqueous solution (StimuFrac) is present. Results suggest co-injecti...

Fernandez, C. Pacific Northwest National Laboratory

Sep 15, 2016
1 Resources
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Development of a Downhole Tracer and pH Measurement Instrument for Application in Geothermal Wells

Due the high temperature and pressure conditions found in geothermal wells, tracer studies designed to elucidate properties of geothermal reservoirs are traditionally conducted by pulling liquid samples from the wellhead. These samples are then sent off for analysis in a fixed lab...

Hess, R. et al Sandia National Laboratories

Sep 11, 2013
1 Resources
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