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Protocol for Regeneration of Ligand-Depleted Adsorption Media for Rare Earth Element Recovery from Geothermal Brine

Description of experimental protocol used to characterize the effectiveness of regenerating ligand-based adsorption media through the addition of ligands when media were previously depleted of ligands during use. Results of the effectiveness of this regeneration are also described.
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
0 Stars
Publicly accessible

Project HOTSPOT: Kimberly Well Borehole Geophysics Database

The Snake River Plain (SRP), Idaho, hosts potential geothermal resources due to elevated groundwater temperatures associated with the thermal anomaly Yellowstone-Snake River hotspot. Project HOTSPOT has coordinated international institutions and organizations to understand subsurf...
Shervais, J. Utah State University
Jul 04, 2011
48 Resources
0 Stars
Publicly accessible

Brady's Geothermal Field DAS and DTS Surface and Borehole Array Metadata

This metadata submission includes the coordinates of the DAS and DTS surface and borehole arrays, the list of file names, and the list of recorded files during testing at the PoroTomo Natural Laboratory at Brady Hot Spring in Nevada. Testing was completed during March 2016.
Fratta, D. University of Wisconsin
Mar 31, 2016
5 Resources
0 Stars
Publicly accessible

Comparison of Rare Earth Element Sorption Between Fresh and Partially Loaded Media Using Simulated Geothermal Brine

A study comparing the REE sorption characteristics of fresh ligand-based sorption media and media partially loaded with REEs when exposed to a simulated geothermal brine with known mineral concentrations, REE7. Sorption rates were tested using microcosm shaker tests. Results sugg...
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
0 Stars
Publicly accessible

Structural and Tectonic Controls of Geothermal Activity in the Basin and Range Province

We are conducting an inventory of structural settings of geothermal systems (>400 total) in the extensional to transtensional Great Basin region of the western USA. A system of NW-striking dextral faults known as the Walker Lane accommodates ~20% of the North American-Pacific plat...
Faulds, J. et al University of Nevada
Nov 30, 2012
1 Resources
0 Stars
Publicly accessible

Thermal Drawdown-Induced Flow Channeling in a Single Fracture in EGS

The evolution of flow pattern along a single fracture and its effects on heat production is a fundamental problem in the assessments of engineered geothermal systems (EGS). The channelized flow pattern associated with ubiquitous heterogeneity in fracture aperture distribution caus...
Guo, B. et al Lawrence Livermore National Laboratory
Nov 15, 2015
1 Resources
0 Stars
Publicly accessible

Helium isotope study of Geothermal Features in Chile with Field and Laboratory Data

Helium isotope and stable isotope data from the El Tatio, Tinginguirica, Chillan, and Tolhuaca geothermal systems, Chile. Data from this submission are discussed in: Dobson, P.F., Kennedy, B.M., Reich, M., Sanchez, P., and Morata, D. (2013) Effects of volcanism, crustal thickness,...
Dobson, P. et al Lawrence Berkeley National Laboratory
Feb 11, 2013
2 Resources
0 Stars
Publicly accessible

Characterizing favourable structural settings of geothermal reservoirs in extensional regions: Enhanced exploration strategies

Exploration of geothermal systems is commonly hampered by the risk of unsuccessful drilling. A major problem in selecting well sites is that the favorable settings of known systems are generally not adequately characterized. This is particularly important in amagmatic regions, wh...
Faulds, J. et al University of Nevada
Nov 30, 2010
1 Resources
0 Stars
Publicly accessible

First Results Project Hotspot Drilling

Project Hotspot drilled 3 slim hole exploratory wells in southern Idaho, each just under 2 km deep. These holes were designed to investigate thermal structure in three different settings within the Snake River Volcanic Province: (1) along the axial volcanic high of the central SRP...
Shervais, J. et al Utah State University
Mar 15, 2013
1 Resources
0 Stars
Publicly accessible

Brady's Geothermal Field DASH Resampled in Time

This submission includes a link to the DASH (Horizontal distributed acoustic sensing) data files that were resampled in time to 100 samples per second from the original 1000 samples per second files. Data is in 30 second Matlab files organized into directories by day. The README_D...
Feigl, K. University of Wisconsin
Jul 07, 2017
3 Resources
0 Stars
Publicly accessible

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
1 Resources
0 Stars
Publicly accessible

Memos Relating to 2011 Field Checking of CIRES ASTER Thermal Targets

In 2010 and 2011, Flint Geothermal commissioned CIRES from the University of Colorado to attempt to detect "blind" or buried geothermal systems using remote sensing. CIRES utilized thermal infrared bands from ASTER and LANDSAT satellite imagery to detect areas of warm ground in pa...
Zehner, R. and Hussein, K. Flint Geothermal, LLC
Feb 01, 2012
4 Resources
0 Stars
Publicly accessible

Geothermometry Mapping of Deep Hydrothermal Reservoirs in Southeastern Idaho: Final Report

Geothermometry Mapping of Deep Hydrothermal Reservoirs in Southeastern Idaho. Project final report with detail appendices.
Mattson, E. et al Idaho National Laboratory
Aug 15, 2016
1 Resources
0 Stars
Publicly accessible

Hotspot Project: The Snake River Geothermal Drilling Project Initial Report

The Snake River volcanic province (SRP) overlies a thermal anomaly that extends deep into the mantle; it represents one of the highest heat flow provinces in North America. The primary goal of this project is to evaluate geothermal potential in three distinct settings: (1) Kimama ...
Shervais, J. et al Utah State University
Jan 01, 2012
1 Resources
0 Stars
Publicly accessible

Sustainable Self-Propping Shear Zones in EGS: Chlorite, Illite, and Biotite Rates and Report

Spreadsheet containing chlorite, illite, and biotite rate data and rate equations that can be used in reactive transport simulations. Submission includes a report on the development of the rate laws.
Carroll, S. and Smith, M. Lawrence Livermore National Laboratory
Nov 06, 2015
2 Resources
0 Stars
Publicly accessible

Structural Controls of the Neal Hot Springs Geothermal System, Eastern Oregon

Detailed geologic mapping (1:24,000 scale), structural and geochemical analyses, and integration of available geophysical and well-field data were utilized to assess the structural controls of the Neal Hot Springs geothermal field in eastern Oregon. The geothermal field lies withi...
Edwards, J. and Faulds, J. University of Nevada
May 31, 2013
1 Resources
0 Stars
Publicly accessible

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

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...
Walters, M. Geysers Power Company, LLC
Jan 01, 2011
1 Resources
0 Stars
Publicly accessible

Chlorite Dissolution Kinetics at Variable pH and Temperatures up to 275C

FY13 annual report describing the calculations and results associated with the data and dissolution rate contained in "Chlorite Kinetic Dissolution Data and Rate" (linked below).
Carroll, S. and Smith, M. Lawrence Livermore National Laboratory
Oct 01, 2013
2 Resources
0 Stars
Publicly accessible

Identifying and Delineating Thermally Active Areas in Colorado Using Thermal Remote Sensing Data

This report outlines the approach and methodology of the utilization of thermal satellite imagery to find areas of warm ground that might indicate heat flow from a buried geothermal system. The satellite platforms, modeling equations and corrections to the data are discussed. Some...
Hussein, K. Flint Geothermal, LLC
Dec 26, 2012
1 Resources
0 Stars
Publicly accessible

Filenames of Data from the Distributed Acoustic Sensing Experiment at Garner Valley, California

In September 2013, an experiment using Distributed Acoustic Sensing (DAS) was conducted at Garner Valley, a test site of the University of California Santa Barbara (Lancelle et al., 2014). This submission lists all file names from Distributed Acoustic Sensing (DAS) data collected...
Lancelle, C. et al University of Wisconsin
Jul 01, 2015
2 Resources
0 Stars
Curated

Experimental Parameters Affecting Stripping of Rare Earth Elements from Loaded Sorptive Media in Simulated Geothermal Brines

Experimental results from several studies exploring the impact of pH and acid volume on the stripping of rare earth elements (REEs) loaded onto ligand-based media via an active column. The REEs in this experiment were loaded onto the media through exposure to a simulated geother...
Stull, D. Tusaar Corp.
May 24, 2016
2 Resources
0 Stars
Publicly accessible

Project Hotspot Report: Exploration

Project Hotspot applies innovative approaches to geothermal exploration in the Snake River Volcanic Province. This report summarizes results from our Phase 1 data compilation.
Shervais, J. Utah State University
Sep 17, 2010
1 Resources
0 Stars
Publicly accessible

Stability of Elastomers Subjected to Geothermal Well-Like Conditions

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...
Redline, E. et al Sandia National Laboratories
Aug 10, 2014
1 Resources
0 Stars
Publicly accessible

Improved Rare Earth Element Sorption from Simulated Geothermal Brines: Effect of Gassed versus Degassed Brines

A study exploring sorption and stripping characteristics of sorption media when simulated geothermal brines are degassed or not degassed. Experiments were done at 70degC. The brines used in this study were formulated by Tusaar. The two brines used/simulated are labeled 1M and 1C...
Stull, D. Tusaar Corp.
May 24, 2016
2 Resources
0 Stars
Publicly accessible

Shaker Test Results Comparing Rare Earth Element Sorption Between Natural and Doped Simulated Geothermal Brine

Shaker test data comparing rare earth element (REE) sorption onto Tusaar media between one natural geothermal brine and two simulated brines doped with known mineral concentrations.
Stull, D. Tusaar Corp.
May 24, 2016
1 Resources
0 Stars
Publicly accessible
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