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A Class III Cultural Resources Inventory of Proposed Roads and Drill Pads for the McGee Mountain Geothermal Project, Humboldt County, Nevada

From July 20th to July 22nd, 2010, Chambers Group personnel conducted a cultural resources inventory of the project area. The recordation and inventory resulted in the recordation a single newly identified prehistoric site (CrNV-2-9605) and five isolated finds (CrNV-2-1490 to 1494...

Zehner, R. Geothermal Technical Partners, Inc.

Aug 10, 2010
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Application of Neutron Imaging to Investigate Flow through Fractures for EGS

There is an ongoing effort at Oak Ridge National Laboratory to develop a unique experimental capability for investigating flow through porous and fractured media using neutron imaging techniques. This capability is expected to support numerous areas of investigation associated wit...

Polsky, Y. et al Oak Ridge National Laboratory

Feb 01, 2013
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Applications of Fractured Continuum Model to Enhanced Geothermal System Heat Extraction Problems

This paper describes the applications of the fractured continuum model to the different enhanced geothermal systems reservoir conditions. The capability of the fractured continuum model to generate fracture characteristics expected in enhanced geothermal systems reservoir environm...

Kalinina, E. et al Sandia National Laboratories

May 06, 2014
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Geothermal Exploration of Newberry Volcano, Oregon Summary Report

Abstract: Davenport Newberry (Davenport) has completed 8 years of exploration for geothermal energy on Newberry Volcano in central Oregon. Two deep exploration test wells were drilled by Davenport on the west flank of the volcano, one intersected a hydrothermal system; the other ...

Waibel, A. et al Southern Methodist University

Jan 01, 2015
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MT Survey on the Glass Buttes Geothermal Exploration Project in Lake County, Oregon

Zonge Geosciences, Inc. performed a magnetotelluric (MT) survey for the Glass Buttes Project at the request of Ormat Technologies Inc. during the period of 7 October 2010 to 8 November 2010. This report provides the deep electromagnetic data and methods that were used to assist O...

Akerley, J. Ormat Nevada Inc

Nov 08, 2010
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Updated Overpressures and Permeability Values for PNNL's StimuFrac Fluid

A corrigendum was submitted to the journal of Geothermics on our article "Environmentally friendly, rheoreversible, hydraulic-fracturing fluids for enhanced geothermal systems" Shao et al Geothermics 58 (2015) 22-31. In the original article some permeability values were underesti...

Shao, H. et al Pacific Northwest National Laboratory

Apr 06, 2016
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Generalized Displacement Correlation Method for Estimating Stress Intensity Factors

This paper presents a generalized form of the displacement correlation method (the GDC method), which can use any linear or quadratic finite element type with homogeneous meshing without local refinement. These two features are critical for modeling dynamic fracture propagation pr...

Fu, P. et al Lawrence Livermore National Laboratory

Jan 01, 2012
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Utah FORGE: Hydraulic Fracture Width Determination Using Stoneley Wave Pressure Testing and Electrical Borehole Scans

This report provides insights into Utah FORGE well 58-32's hydraulic fractures. It utilizes both electrical borehole scans from Schlumberger's Formation Micro-scanner Image tool (FMI) and Stoneley waves from a borehole sonic tool. These methods are combined in a comprehensive work...

Hornby, B. Hornby Geophysical Services, LLC

Oct 06, 2023
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Synthetic Lithium Prize Brine for Finalists of the Geothermal Lithium Extraction Prize Competition

The Department of Energy (DOE), Geothermal Technologies Office (GTO) launched a multi-phase funding program to advance technologies for extraction of lithium from geothermal brines. This initiative, known as American-Made Geothermal Lithium Extraction Prize (GLEP), had objectives ...

Neupane, G. and Smith, R. Idaho National Laboratory

Sep 29, 2023
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Utah FORGE 2-2446: Report on Phase Field Modelling of Near-Wellbore Hydraulic Fracture Nucleation and Propagation

This is a report that describes the modelling of fracture nucleation and propagation in the near-wellbore region to understand the relationship between in situ stress and fracture patterns. A novel phase field formulation is described here, which represents fractures as a diffuse ...

Cusini, M. and Fei, F. Lawrence Livermore National Laboratory

Dec 31, 2023
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Summary of Cement Formulations Tested by BNL for Self-Healing Ability Tests Conditions and Data

A table of cement formulations tested by Brookhaven National Laboratory in 2016-2017 in the frame of the "Self-healing and Re-Adhering Cements with Improved Toughness at Casing and Formation Interfaces for Geothermal Wells" project.

Sugama, T. Brookhaven National Laboratory

Sep 27, 2017
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Geothermal Thermoelectric Generation (G-TEG) with Integrated Temperature Driven Membrane Distillation and Novel Manganese Oxide for Lithium Extraction Final Report

This project aims to develop an innovative Geothermal ThermoElectric Generation (G-TEG) system specially designed to both generate electricity and extract high-value lithium (Li) from low-temperature geothermal brines. The process combined five modular technologies including silic...

Renew, J. et al Southern Research Institute

Mar 01, 2018
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Utah FORGE 2439: Report on Minifrac Tests for Stress Characterization

This report describes minifrac tests conducted in the 16B(78)-32 well at the Utah FORGE site to characterize subsurface stresses, including the magnitude and orientation of the minimum and maximum horizontal stresses and the magnitude of the vertical stress. A minifrac test was co...

Kelley, M. et al Battelle Memorial Institute

Feb 22, 2024
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Community Geothermal: Subsurface and Seismic Interpretations Carbondale, CO

This report, developed as part of the Community Geothermal Heating and Cooling Design and Deployment initiative, presents subsurface and seismic interpretations for Carbondale and the surrounding Roaring Fork Valley. The analysis incorporates historical well data, seismic data, ge...

Marlin, D. Clean Energy Economy for the Region (CLEER)

Sep 29, 2024
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Utah FORGE: Stimulation Crosswell Strain Response Fiber Optic Monitoring Report April 2024

This report documents the use of fiber optic Rayleigh frequency shift (RFS) Distributed Strain Sensing (DSS), Distributed Temperature Sensing (DTS), and microseismic data recorded during the hydraulic fracture stimulation of well 16A(78)-32, as detected in the offset well 16B(78)-...

Jurick, D. et al Neubrex Energy Services (US), LLC

Apr 03, 2024
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Utah FORGE: Seismic Risk Trafic Light System Version 2

The report outlines the updated Traffic Light System (TLS) for the Utah FORGE project, which aims to mitigate seismic risks associated with Enhanced Geothermal Systems (EGS) operations. It integrates lessons from past operations, including stimulation and circulation experiments a...

Pankow, K. et al University of Utah Seismograph Stations

Jan 24, 2025
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Final Report Earth Source Heat: A Cascaded Systems Approach to DDU of Geothermal Energy on the Cornell Campus

The purpose of this document is to describe the contents contained within Geothermal Data Repository (GDR) node of the National Geothermal Data System (NGDS) that serves as the final report for the project "Earth Source Heat: A Cascaded Systems Approach to DDU of Geothermal Energy...

Tester, J. et al Cornell University

Oct 27, 2019
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Calculation Tool for Transported Geothermal Energy Using Two-Step Absorption Process

This spreadsheet allows the user to calculate parameters relevant to techno-economic performance of a two-step absorption process to transport low temperature geothermal heat some distance (1-20 miles) for use in building air conditioning. The parameters included are (1) energy de...

Liu, X. et al Oak Ridge National Laboratory

Feb 01, 2016
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Hawaii Play Fairway Analysis: Lanai Daily Drilling Reports

The Hawaii Play Fairway Project deepened an already existing water well in Palawai Basin, Lanai island. Lanai Well #10 was deepened from 427 m to ~1057 m, with nearly continuous rock core collected. Spanning the dates from May 13 to July 5, 2019, the daily drilling reports of Lana...

Thomas, D. and Lautze, N. University of Hawaii

Jul 05, 2019
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Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report

The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to ...

Cladouhos, T. et al AltaRock Energy Inc

Mar 10, 2014
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Advanced Geothermal Drilling and Logging Technologies

The objective of advanced drilling and logging technologies is to promote ways and means to reduce the cost of geothermal drilling through an integrated effort which involves developing an understanding of geothermal drilling and logging needs, elucidating best practices, and fost...

Raymond, D. et al Sandia National Laboratories

Dec 15, 2013
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Thermal Drawdown Induced Flow Channeling in Fractured Geothermal Reservoirs: Rock Mechanics and Rock Engineering

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...

Fu, P. et al Lawrence Livermore National Laboratory

Nov 15, 2015
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Advanced Sorbent Structure Recovery of Rare Earths, Precious Metals and Other Critical Materials from Geothermal Waters and Its Associated Technoeconomics

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...

Addleman, R. et al Pacific Northwest National Laboratory

Sep 21, 2016
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2019 Geothermal Market Report Fact Sheet

The 2020 U.S. Geothermal Power Production and District Heating Market Report is being developed by the National Renewable Energy Laboratory and Geothermal Rising, previously Geothermal Resources Council (GRC), with support from the Geothermal Technologies Office of the U.S. Depart...

Robins, J. et al National Renewable Energy Laboratory

Oct 01, 2020
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Development of a Neutron Diffraction Based Experimental Capability for Investigating Hydraulic Fractures for EGS-like Conditions

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...