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Geothermal Drilling and Completions: Petroleum Practices Technology Transfer

NREL and the Colorado School of Mines (SURGE) conducted research in FY14 to identify petroleum drilling and completion practices (methods and technologies) that can be transferred to geothermal drilling and completion, to provide the geothermal industry with more effective, lower ...

Visser, C. et al National Renewable Energy Laboratory

Sep 30, 2014
1 Resources
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Initial 3D Gravity Results at Newberry

Initial 3D gravity results from Zonge Int'l recorded for the 4D EGS Monitoring project at Newberry, during stimulation of Well 55-29 by AltaRock Energy

Rose, K. National Energy Technology Laboratory

Jul 31, 2015
2 Resources
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Brady 1D Seismic Velocity Model Ambient Noise Prelim

Preliminary 1D seismic velocity model derived from ambient noise correlation. 28 Green's functions filtered between 4-10 Hz for Vp, Vs, and Qs were calculated. 1D model estimated for each path. The final model is a median of the individual models. Resolution is best for the top 1 ...

J., R. Lawrence Livermore National Laboratory

Oct 25, 2013
1 Resources
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Stimulation at Desert Peak Modeling with the Coupled THM Code FEHM

Numerical modeling of the 2011 shear stimulation at the Desert Peak Well 27-15 using a coupled thermal-hydrological-mechanical simulator. This submission contains the finite element heat and mass transfer (FEHM) executable code for a 64-bit PC Windows-7 machine, and the input and ...

Kelkar, S. et al Los Alamos National Laboratory

Apr 30, 2013
1 Resources
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US Geothermal Electricity and Heat Market Analysis and Report

The power production data from FY19 is provided for U.S. geothermal power plants. The spreadsheet includes the plant name and type, nameplate capacity, summer capacity, winter capacity, and net generation for each power plant.

Robins, J. et al National Renewable Energy Laboratory

Jun 30, 2020
1 Resources
1 Stars
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Enhanced Geothermal System (EGS) Suitability for CONUS

Normalized LCOE all-in (LCOT inclusive) as calculated using Annual Technology Baseline (ATB) costs, both drilling and CAPEX/OPEX, considering the best depth option (1-7 km) for each location. This is the data as visualized in NLR's January 2026 EGS Suitability Map https://www.nlr....

Trainor-Guitton, W. et al National Laboratory of the Rockies

Dec 01, 2025
2 Resources
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In curation

COMSOL Models and Simulation Results for Closed-Loop Geothermal Systems with Thermal Enhancements

The Closed-Loop Geothermal Working Group and the National Renewable Energy Laboratory (NREL) have studied the performance of disc-shaped and linear thermal enhancements (conductive material introduced around a wellbore) in closed-loop geothermal systems. COMSOL models were develop...

Beckers, K. et al National Renewable Energy Laboratory

Dec 15, 2023
4 Resources
1 Stars
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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
1 Stars
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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
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Geothermal Technologies Program GETEM and LCOE Improvements Review (March 21, 2013)

This file was a report submitted to GTO by Mark Paster, a consultant to the GETEM project, to outline the improvements that were made between summer 2011 and spring 2013. The report focuses on six areas of model improvement: (1) Site Specific Cost Variability; (2) Consistency wi...

Paster, M. Idaho National Laboratory

Mar 21, 2013
1 Resources
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Utah FORGE: Well 58-32 Injection Test Data

This submission contains pressure and flow time series data from the reservoir testing of Well 58-32. These activities were part of the Utah FORGE Phase 2B site suitability confirmatory testing.

Podgorney, R. and McLennan, J. Idaho National Laboratory

Dec 07, 2018
2 Resources
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Illite Dissolution Rates and Equation (100 to 280 deg C)

The objective of this suite of experiments was to develop a useful kinetic dissolution expression for illite applicable over an expanded range of solution pH and temperature conditions representative of subsurface conditions in natural and/or engineered geothermal reservoirs. Usi...

Carroll, S. Lawrence Livermore National Laboratory

Oct 17, 2014
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Poroelastic References

This file contains a list of relevant references on the Biot theory (forward and inverse approaches), the double-porosity and dual-permeability theory, and seismic wave propagation in fracture porous media, in RIS format, to approach seismic monitoring in a complex fractured porou...

Morency, C. Lawrence Livermore National Laboratory

Dec 12, 2014
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Strength Recovery of Cement Composites in Steam and Carbonate Environments

The data include compressive strength and Young's Modulus recoveries in steam and carbonate environments at 270 deg C for four chemically different cement composites after imposed controlled damaged.

Butcher, T. Brookhaven National Laboratory

Apr 28, 2016
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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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EGS Collab Experiment 2: Testbed Well Orientation Data

This dataset contains the north seeking gyro data for each of the 11 boreholes drilled at the Experiment 2 testbed on the 4100 foot level of the SURF (Sanford Underground Research Facility). Each gyro file is in individual folders for each well. A single folder called 'E2 All Well...

Schwering, P. and Neupane, H. Lawrence Berkeley National Laboratory

Jul 26, 2021
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Greenhouse Gas emissions from California Geothermal Power Plants

The information given in this file represents greenhouse gas (GHG) emissions and corresponding emission rates for California flash and dry steam geothermal power plants. This stage of the life cycle is the fuel use component of the fuel cycle and arises during plant operation. Des...

Sullivan, J. Argonne National Laboratory

Mar 14, 2014
1 Resources
1 Stars
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Nevada Production and Injection Well Data for Facilities with Flash Steam Plants

Files contain a summary of the production and injection data submitted by the geothermal operators to the Nevada Bureau of Mines and Geology over the period from 1985 thru 2009

Mines, G. Idaho National Laboratory

Mar 26, 2014
5 Resources
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Kinetics of Chlorite Dissolution at Elevated Temperatures and CO2 Conditions

Chlorite dissolution kinetics were measured under far from equilibrium conditions using a mixed-flow reactor over temperatures of 100-275 degrees C at pH values of 3.0-5.7 in a background solution matrix of 0.05 m NaCl. Over this temperature range, magnesium was released congruent...

Carroll, S. et al Lawrence Livermore National Laboratory

Jul 01, 2013
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Maine Geological Survey Borehole Temperature Profiles

This dataset includes temperature profiles from 30 boreholes throughout Maine that were selected for their depth, location, and lithologies encountered. Depths range from about 300 feet to 2,200 feet. Most of the boreholes selected for measurement were completed in granite becau...

Marvinney, R. Arizona State Geological Survey

Nov 06, 2013
2 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
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Lab-Scale Stimulation Results on Surrogate Fused Silica Samples

Lab-scale stimulation work on non-porous fused silica (similar mechanical properties to igneous rock) was performed using pure water, pure CO2 and water/CO2 mixtures to compare back to back fracturing performance of these fluids with PNNL's StimuFrac.

Fernandez, C. Pacific Northwest National Laboratory

Jul 06, 2016
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Altona, NY EGS Field Site Radon Study

Data include 222Rn activities and complimentary geochemical data for multiple field experiments as part of an EGS project

Brown, S. and Christensen, J. Lawrence Berkeley National Laboratory

Sep 02, 2016
3 Resources
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Design of an Airlift Bioreactor

An important consideration for the process design is cell immobilization-enabled flow-through operation. Large-scale biosorption relies on cells that are immobilized on a supporting substrate and used to 'attract' metal ions. Cell immobilization allows easy separation of the feed...

Jiao, Y. et al Lawrence Livermore National Laboratory

Mar 13, 2017
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Geothermal Sector Cybersecurity Vulnerability Assessment Presentation

As geothermal resource contributions to the energy sector grow, cybersecurity will be increasingly important to ensure resilient, reliable, and secure clean energy for years to come. An overview of the cybersecurity vulnerability assessment project was developed and presented at t...

Markel, T. et al National Renewable Energy Laboratory

Oct 20, 2020
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