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Chlorite, Biotite, Illite, Muscovite and Feldspar Dissolution Kinetics at Variable pH and Temperatures up to 280 deg C
Chemical reactions pose an important but poorly understood threat to EGS long-term success because of their impact on fracture permeability. This report summarizes the dissolution rate equations for layered silicates where data were lacking for geothermal systems. Here we report ...
Carroll, S. et al Lawrence Livermore National Laboratory
Feb 24, 2017
2 Resources
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2 Resources
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The Value of Spatial Information for Determining Well Placement
The article and accompanying spreadsheet represent the information posteriors derived from synthetic data of magnetotellurics (MT). These were used to calculate value of information of MT for geothermal exploration. Information posteriors describe how well MT was able to locate t...
Trainor-Guitton, W. et al Lawrence Livermore National Laboratory
May 12, 2014
3 Resources
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3 Resources
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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
1 Resources
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1 Resources
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High Temperature Chemical Sensing Tool: Preliminary pH and reference electrode test results
Project: High Temperature Chemical Sensing Tool for Distributed Mapping of Fracture Flow in EGS. Preliminary pH and reference electrode test results.
Cieslewski, G. Sandia National Laboratories
Sep 30, 2014
6 Resources
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6 Resources
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Air Leakage and Air Transfer Between Garage and Living Space
This research project focused on evaluation of air transfer between the garage and living space in a single-family detached home constructed by a production homebuilder in compliance with the 2009 International Residential Code and the 2009 International Energy Conservation Code. ...
Rudd, A. and Kerrigan, P. Advanced Building Systems
Apr 27, 2016
2 Resources
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2 Resources
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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
1 Resources
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1 Resources
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Conductance Steamflow Relationship
These histograms represent our calibration of conductance of a volcanic geothermal field (with a clay cap) and the observed steam flow rates. Darajat is a vapor geothermal field located in West Java, Indonesia. First production from the field was started in 1994 and additional cap...
Trainor-Guitton, W. Lawrence Livermore National Laboratory
Apr 01, 2015
2 Resources
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2 Resources
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Lancaster County Career and Technology Center (LCCTC) Green Homes
With the support of the U.S. Department of Energy (DOE) Building America Program, Home Innovation Research Labs partnered with Lancaster County Career and Technology Center (LCCTC) to build a third new construction test house (NCTH) in Apprentice Green, a community next to the sch...
Kochkin, V. et al Home Innovation Research Labs National Association of Home Builders
Apr 27, 2016
3 Resources
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3 Resources
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DOE Challenge Home Multifamily Development Mixed Climate
The U.S. Department of Energys Zero Energy Ready Home (ZERH) recognition program builds upon the building science requirements of ENERGY STAR Certified Homes, Version 3 and best practices tested by the Building America research and demonstration program. Multifamily units (units i...
Dentz, J. and Alaigh, K. The Levy Partnership, Inc Systems Building Research Alliance
Apr 27, 2016
5 Resources
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5 Resources
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Modular Zero Energy Ready Homes: Bright Built Maine
Kaplan Thompson Architects (KTA) has specialized in sustainable, energy-efficient buildings, and they have designed several custom, zero-energy homes in New England. These zero-energy projects have generally been high-end, custom homes with budgets that could accommodate advanced ...
Aldrich, R. and Butterfield, K. Steven Winter Associates of the Consortium for Advanced Residential Buildings
Apr 27, 2016
2 Resources
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2 Resources
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Excavationless Exterior Foundation Insulation Field Study Minnesota
The NorthernSTAR Building America Partnership team implemented an innovative, minimally invasive foundation insulation upgrade technique on an existing home. The approach consisted of using hydrovac excavation technology combined with a liquid insulating foam. Two houses were orig...
Jacobson, R. et al University of Minnesota NorthernSTAR Building America Partnership
Apr 27, 2016
11 Resources
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11 Resources
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Moisture Risk in Unvented Attics Due to Air Leakage Paths Minneapolis Minnesota
IBACOS completed an initial analysis of moisture damage potential in an unvented attic insulated with closed-cell spray polyurethane foam. To complete this analysis, the research team collected field data, used computational fluid dynamics to quantify the airflow rates through ind...
Rapport, A. et al Ibacos Innovation
Apr 27, 2016
6 Resources
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6 Resources
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Regulatory and Permitting Information Desktop (RAPID) Toolkit
The Regulatory and Permitting Information Desktop (RAPID) Toolkit combines the former Geothermal Regulatory Roadmap, National Environmental Policy Act (NEPA) Database, and other resources into a Web-based tool that gives the regulatory and utility-scale geothermal developer commun...
Young, K. and Levine, A. National Renewable Energy Laboratory
Sep 30, 2014
4 Resources
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4 Resources
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Geothermal Project NEPA Database
During the 2013 fiscal year, the National Renewable Energy Laboratory (NREL) developed the Geothermal National Environmental Policy Act (NEPA) Database with funding provided by the U.S. Department of Energy (DOE) Geothermal Technologies Office (GTO). The information in the databas...
Young, K. and Levine, A. National Renewable Energy Laboratory
Sep 30, 2014
4 Resources
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4 Resources
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The Performance House: A Cold Climate Challenge Home Old Greenwich
Working with builder partners on test homes allows for vetting of whole-house building strategies to eliminate any potential unintended consequences prior to implementing these solution packages on a production scale. To support this research, the Consortium for Advanced Residenti...
Williamson, J. et al Steven Winter Associates of the Consortium for Advanced Residential Buildings
Apr 27, 2016
4 Resources
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4 Resources
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Development of a Downhole Tool Measuring Real-Time Concentration of Ionic Tracers and pH in Geothermal Reservoirs
For enhanced or Engineered Geothermal Systems (EGS) geothermal brine is pumped to the surface via the production wells, the heat extracted to turn a turbine to generate electricity, and the spent brine re-injected via injection wells back underground. If designed properly, the sub...
Hess, R. et al Sandia National Laboratories
Mar 31, 2014
1 Resources
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1 Resources
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Practices Maintain Straight Hole in Crooked Hole Conditions, While Also Enabling Significant Gains in Drill Rate
Bottom hole assembly (BHA) designs were assessed in field trials for their ability to achieve critical low inclination requirements, while simultaneously enabling high drill rates. Because angle has historically been controlled by reducing weight on bit (WOB), these are often com...
Knudsen, S. et al Sandia National Laboratories
Apr 30, 2014
2 Resources
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2 Resources
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Reservoir Stimulation Optimization with Operational Monitoring for Creation of EGS
EGS field projects have not sustained production at rates greater than 1/2 of what is needed for economic viability. The primary limitation that makes commercial EGS infeasible is our current inability to cost-effectively create high-permeability reservoirs from impermeable, igneo...
A., C. Pacific Northwest National Laboratory
Sep 15, 2014
5 Resources
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5 Resources
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Geothermal Permitting and NEPA Timeline Analysis
In this analysis, we outline the types of NEPA-related analyses and approvals (e.g., environmental assessment), and we provide examples of geothermal development activities (e.g., well drilling) that might require each type of approval, including an overview and discussion of the ...
Young, K. et al National Renewable Energy Laboratory
Sep 30, 2014
5 Resources
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5 Resources
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Geothermal Development and the Use of Categorical Exclusions Under NEPA
This study focuses primarily on the Categorial Exclusions (CX) process and its applicability to geothermal exploration. In this paper, we:
Provide generalized background information on CXs, including previous NEPA reports addressing CXs, the process for developing CXs, and the ro...
Young, K. and Levine, A. National Renewable Energy Laboratory
Sep 30, 2014
4 Resources
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4 Resources
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Simplified Space Conditioning in Low-Load Homes
TO3 2.1.6: Simplified Space Conditioning
IBACOS anticipates that houses achieving 50% whole-house source energy savings with respect to the Building America 2010 Benchmark (Hendron and Engebrecht 2010a) will be considered "low load." Low load is defined by IBACOS as a house with ...
Poerschke, A. and Stecher, D. Ibacos Innovation
Apr 27, 2016
2 Resources
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2 Resources
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CAES 2014 Chemical Analyses of Thermal Wells and Springs in Southeastern Idaho
This dataset contains chemical analyses for thermal wells and springs in Southeastern Idaho. Data includes all major cations, major anions, pH, collection temperature, and some trace metals. These samples were collected in 2014 by the Center for Advanced Energy Studies (CAES), an...
Mattson, E. Idaho National Laboratory
Mar 10, 2014
7 Resources
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7 Resources
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Production and Injection data for NV Binary facilities
Excel files are provided with well production and injection data for binary facilities in Nevada. The files contain the data that reported montly to the Nevada Bureau of Mines and Geology (NBMG) by the facility operators. this data has been complied into Excel spreadsheets for eac...
Mines, G. Idaho National Laboratory
Dec 24, 2013
10 Resources
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10 Resources
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National Renewable Energy Laboratory/Habitat for Humanity Zero Energy Home: A Cold Climate Case Study for Affordable Zero Energy Homes
The design of this 1,280-square-foot, three-bedroom Habitat for Humanity of Metro Denver zero energy home carefully combines envelope efficiency, efficient equipment, appliances and lighting, and passive and active solar features to reach the zero energy goal. The home was designe...
Norton, P. et al National Renewable Energy Laboratory
Jul 21, 2016
4 Resources
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4 Resources
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Sacramento Deep Energy Retrofit (DER) Home Study
This project was part of the Sacramento Municipal Utility District (SMUD) Deep Energy Retrofit (DER) Project which included several other homes in addition to the the subject of this study. Some of the reports and presentations included in this dataset cover the whole DER project....
Keesee, M. Sacramento Municipal Utility District
Aug 10, 2016
8 Resources
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8 Resources
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