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Testing LCM on a Large Scale for Geothermal Drilling Applications Using a Novel Experimental Setup

Rheology data obtained from flow loop tests, performed using different lost circulation materials (LCM) to study their effect on fluid rheology and wellbore hydraulics. The sealing performance of different LCM was tested using different fracture sizes. Five academic papers / repor...
Mohamed, A. et al University of Oklahoma
Apr 22, 2022
10 Resources
0 Stars
Publicly accessible

Closed BLM public lands: Areas of Critical Environmental Concern (ACEC)

A GIS layer of Areas of Critical Environmental Concern (ACEC) that are within public lands managed by the U.S. Bureau of Land Management (BLM). The GIS layers were used by BLM in the nationwide Geothermal Resources Leasing Programmatic Environmental Impact Statement (PEIS). Some o...
Hill, G. and (BLM), U. National Renewable Energy Laboratory
Jul 29, 2014
2 Resources
0 Stars
In curation

Sedimentary Geothermal Feasibility in Nevada, Western Utah, Colorado, and the Gulf Coast Region of Texas Final Report

The objectives of this project were to (1) perform a literature review of sedimentary geothermal resources, (2) identify data sources and develop data-collection methodologies that characterize selected resources, (3) screen sedimentary basins and formations for sedimentary geothe...
Johnston, H. et al National Renewable Energy Laboratory
Jul 01, 2020
1 Resources
0 Stars
Publicly accessible

Closed BLM Public Lands: Geothermal Leases Not Permitted

The U.S. Bureau of Land Management (BLM) released a series of GIS layers of public lands closed to geothermal leases (obtaining leases is not permitted in these regions). The various types of closed areas included here are: National Monuments, National Recreation Areas, National C...
Hill, G. and (BLM), U. National Renewable Energy Laboratory
Jun 30, 2010
5 Resources
0 Stars
In curation

Closed National Forest Service Lands: Geothermal Leases Not Permitted

The U.S. Bureau of Land Management (BLM) released a series of GIS layers of National Forest Service Lands that area closed to goethermal leasing (leases are not granted in these areas). The various types of areas included in this set of GIS layers are: National Monuments, National...
Hallett, K. and (BLM), U. National Renewable Energy Laboratory
Jul 29, 2014
5 Resources
0 Stars
In curation

Finite Volume Based Computer Program for Ground Source Heat Pump System Final Scientific Report

The goal of this project was to develop a detailed computer simulation tool for GSHP (ground source heat pump) heating and cooling systems. Two such tools were developed as part of this DOE (Department of Energy) grant; the first is a two-dimensional computer program called GEO2D ...
Menart, J. and Frederick, J. Wright State University
Jul 31, 2013
3 Resources
0 Stars
Publicly accessible

National Parks within the geothermal potential area

A GIS layer from the BLM nationwide PEIS of National Parks within the geothermal potential area, not part of the project area and closed to leasing for geothermal projects. The GIS layer contains .SBX, .XML, .SHX, .DBF (.XLS), .PRJ, .SBN, and .SHP data. ### License Info Made o...
Hill, G. and (BLM), U. National Renewable Energy Laboratory
Jul 29, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q1 2010

This dataset highlights key financing terms for U.S. renewable energy projects that closed financing in Q1 2010. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL's Renewable Energy Fin...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q2 2010

This dataset highlights key financing terms for U.S. renewable energy projects that closed financing in Q2 2010. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL's Renewable Energy Fin...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q3 2009

This dataset highlights key financing terms for U.S. renewable energy projects that closed financing in Q3 2009. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL's Renewable Energy Finance T...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q3 2010

This dataset highlights key financing terms for U.S. renewable energy projects that closed financing in Q3 2010. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL's Renewable Energy Fin...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q4 2009

This dataset highlights key financing terms for U.S. renewable energy projects that closed financing in Q4 2009. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL's Renewable Energy Fin...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Renewable Energy Finance Tracking Initiative Q3 2009 Q3 2010 Cumulative Trend Data

This dataset highlights trends in financing terms for U.S. renewable energy projects that closed financing between Q3 2009 and Q3 2010. Information tracked includes debt interest rates, equity returns, financial structure applied, PPA duration, and other information. NREL...
Kreycik, C. and Laboratory, N. National Renewable Energy Laboratory
Nov 25, 2014
2 Resources
0 Stars
In curation

Brady's Geothermal Field Distributed Temperature Sensing Data

This submission is an 8 day time history of vertical temperature measurements in Brady observation well 56-1 collected during the PoroTomo field experiment. The data was collected with a fiber-optic DTS system installed to a depth of 372 m below wellhead. DTS installation uses a d...
Patterson, J. University of Wisconsin
Mar 26, 2016
2 Resources
0 Stars
Publicly accessible

GEO2D Two-Dimensional Computer Model of a Ground Source Heat Pump System

This file contains a zipped file that contains many files required to run GEO2D. GEO2D is a computer code for simulating ground source heat pump (GSHP) systems in two-dimensions. GEO2D performs a detailed finite difference simulation of the heat transfer occurring within the worki...
Menart, J. Wright State University
Jun 07, 2013
3 Resources
0 Stars
Publicly accessible

SMP Preparation, Programming, and Characterization

The problem of loss circulation in geothermal wells is inherently challenging due to high temperatures, brittle rocks, and presence of abundant fractures. Because of the inherent challenges in geothermal environments, there are limitations in selecting proper lost circulation mate...
Salehi, S. et al University of Oklahoma
Oct 01, 2021
4 Resources
0 Stars
Publicly accessible

Error-Level-Controlled Synthetic Forecasts for Renewable Generation

Renewable energy resources, including solar and wind energy, play a significant role in sustainable energy systems. However, the inherent uncertainty and intermittency of renewable generation pose challenges to the safe and efficient operation of power systems. Recognizing the imp...
Zhang, X. et al National Renewable Energy Laboratory (NREL)
Jun 01, 2021
3 Resources
0 Stars
Publicly accessible

Curated Modeled Fault Data Set

The curated fault model simulation data set consists of tagged and fully-described time series representing simulated faults for the AFDD test building (ORNLs Flexible Research Platform (FRP)), including baseline performance, faulty performance, and corresponding energy impact. A ...
Kim, J. and Leach, M. National Renewable Energy Laboratory
Jun 24, 2019
7 Resources
0 Stars
Curated

Centipod WEC, Advanced Controls, WaveDyn Models

Archive containing the WaveDyn models used for analysis of the Centipod WEC with and without Advanced Controls, i.e. the WaveDyn files contain a baseline model which can be run alone, and a model predictive control (MPC) model which must be run when connected to the MPC controller...
McCall, A. Dehlsen Associates, LLC
Feb 15, 2016
3 Resources
0 Stars
Publicly accessible

3-D Geologic Controls of Hydrothermal Fluid Flow at Brady Geothermal Field, Nevada using PCA

In many hydrothermal systems, fracture permeability along faults provides pathways for groundwater to transport heat from depth. Faulting generates a range of deformation styles that cross-cut heterogeneous geology, resulting in complex patterns of permeability, porosity, and hydr...
Siler, D. and Pepin, J. United States Geological Survey
Oct 01, 2021
4 Resources
0 Stars
Publicly accessible

GPS Station RINEX Files and Position Time-Series

Links to URL's with latest position time-series of GPS stations SEMN, SEMS, and GARL at the San Emidio Desert Geothermal Area as well as URL with links to archived RINEX files. The data is being taken as part of the WHOLESCALE project for the purpose of developing a protocol for s...
Feigl, K. University of Wisconsin
Oct 14, 2021
6 Resources
0 Stars
Publicly accessible

Centipod WEC, Advanced Controls, MPC Controller MATLAB Code

This archive contains the MATLAB code for the model predictive control (MPC) controller developed in this project. The archive containing the WaveDyn models used for analysis of the Centipod with the MPC controller is linked in this submission.
McCall, A. Dehlsen Associates, LLC
Feb 15, 2016
3 Resources
0 Stars
Publicly accessible

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
0 Stars
Publicly accessible

Utah FORGE GeoThermOPTIMAL Video

This is a project description video by Dr. William W. Fleckenstein related to their "Development of Multi-Stage Fracturing System and Wellbore Tractor to Enable Zonal Isolation During Stimulation and EGS Operations in Horizontal Wellbores" R&D project at Utah FORGE which is linked...
Fleckenstein, W. Colorado School of Mines
Dec 12, 2022
2 Resources
0 Stars
Publicly accessible

Machine Learning to Identify Geologic Factors Associated with Production in Geothermal Fields: A Case-Study Using 3D Geologic Data from Brady Geothermal Field and NMFk

In this paper, we present an analysis using unsupervised machine learning (ML) to identify the key geologic factors that contribute to the geothermal production in Brady geothermal field. Brady is a hydrothermal system in northwestern Nevada that supports both electricity producti...
Siler, D. et al United States Geological Survey
Oct 01, 2021
6 Resources
0 Stars
Publicly accessible
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