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Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing
Objectives
Options associated with geothermal drilling operations are generally limited by factors such as formation temperature and rock strength. The objective of the research is to expand the "tool box" available to the geothermal driller by furthering the development of a hig...
Su, J. Sandia National Laboratories
Jan 01, 2012
1 Resources
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1 Resources
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OM300 Direction Drilling Module
OM300 Geothermal Direction Drilling Navigation Tool A prototype directional drilling navigation tool capable of high temperature operation in geothermal drilling with:
Accuracies of 0.1 degree Inclination and Tool Face, 0.5 degree Azimuth
Environmental Ruggedness typical of existi...
MacGugan, D. Honeywell International, Inc.
Aug 22, 2013
3 Resources
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3 Resources
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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
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10 Resources
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SGW paper Rheological Properties of Drilling Fluids Containing Special Additives for Geothermal Drilling Applications
The paper was presented at the 46th Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 15-17, 2021. In this study, the effectiveness of different additives was evaluated in maintaining drilling fluid rheology at HPHT(high pressure and...
Mohamed, A. et al University of Oklahoma
Jan 04, 2023
1 Resources
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1 Resources
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Simulation Tools for Modeling Thermal Spallation Drilling on Multiple Scales
Widespread adoption of geothermal energy will require access to deeply buried resources in granitic basement rocks at high temperatures and pressures. Exploiting these resources necessitates novel methods for drilling, stimulation, and maintenance, under operating conditions that ...
Walsh, S. et al Lawrence Livermore National Laboratory
Jan 01, 2012
1 Resources
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1 Resources
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Data of High-Temperature Dynamic LCM Testing Setup
Data from high temperature dynamic sealing tests for various fracture widths, at various temperatures (degrees F), with 5 wt.% bentonite-based mud containing various material fiber contents, at 100 to 400 psi differential pressure.
Data from pressure test and evaluation of the dy...
Magzoub, M. et al University of Oklahoma
May 31, 2021
11 Resources
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11 Resources
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Microhole Test Data
Drilling results from the microhole project at the Sandia High Operating Temperature test facility. The project is seeking to help reduce the cost of exploration and monitoring of geothermal wells and formations by drilling smaller holes. The tests were part of a control algorith...
Su, J. Sandia National Laboratories
May 23, 2016
5 Resources
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5 Resources
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High-Pressure and High-Temperature (HPHT) Lost Circulation Material (LCM) Testing
High-pressure and high-temperature (HPHT) lost circulation material (LCM) rheology test results, LCM particle size distributions (PSD) analysis, and HPHT LCM fluid loss test results. Three academic papers / reports derived from this research are also presented.
Salehi, S. and Vivas, C. University of Oklahoma
Nov 30, 2021
6 Resources
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6 Resources
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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
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Utah FORGE: Reports on Northwestern Nevada Well Doublet Drilling and Testing by Fervo Energy
These reports review Fervo Energy's construction of a commercial enhanced geothermal system (EGS). Fervo has qualified full functionality of the system through production testing at commercially relevant operating conditions. The project site is located in a nearfield setting ad...
Dadi, S. et al Fervo Energy
Sep 05, 2023
2 Resources
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2 Resources
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2011 Glass Buttes Exploration and Drilling
2011 Geothermal Technologies Program Peer Review Presentation summarizing relevance, proposed approach, and logistics of the Glass Buttes Exploration and Drilling.
Walsh, P. Ormat Nevada Inc
Jan 01, 2011
1 Resources
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Microhole drilling technology utilizing a golden section search algorithm
A fundamental issue in microhole drilling is that delivering high weight-on-bit (WOB), high torque rotational horsepower to a conventional drill bit does not scale down to the hole sizes necessary to realize the envisioned cost savings An optimization algorithm called a golden sec...
Su, J. et al Sandia National Laboratories
Jun 23, 2021
7 Resources
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7 Resources
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Snake River (Idaho) Geothermal Drilling Project: Innovative Approaches to Geothermal Exploration
The goal of our project was to test innovative exploration technologies using existing and new data, and to ground-truth these technologies using slim-hole core technology. The slim-hole core allowed us to understand subsurface stratigraphy and alteration in detail, and to correla...
Shervais, J. et al Utah State University
Feb 21, 2014
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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
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1 Resources
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Grain-Scale Failure in Thermal Spallation Drilling
Geothermal power promises clean, renewable, reliable and potentially widely-available energy, but is limited by high initial capital costs. New drilling technologies are required to make geothermal power financially competitive with other energy sources. One potential solution is ...
Walsh, S. et al Lawrence Livermore National Laboratory
Jan 01, 2012
1 Resources
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Glass Buttes Exploration and Drilling: 2010 Geothermal Technologies Program Peer Review Presentation
Glass Buttes Exploration and Drilling: 2010 Geothermal Technologies Program Peer Review Presentation, Walsh, et al, Ormat
Walsh, P. Ormat Nevada Inc
Jan 01, 2010
1 Resources
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1 Resources
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Geomechanical Modeling for Thermal Spallation Drilling
Wells for Engineered Geothermal Systems (EGS) typically occur in conditions presenting significant challenges for conventional rotary and percussive drilling technologies: granitic rocks that reduce drilling speeds and cause substantial equipment wear. Thermal spallation drilling,...
Walsh, S. et al Lawrence Livermore National Laboratory
Aug 24, 2011
1 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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Utah FORGE: High-Resolution DAS Microseismic Data from Well 78-32
This regards a high-resolution DAS microseismic dataset produced by Silixa from Utah FORGE Phase 2C seismic monitoring well 78-32 during stimulation testing of well 58-32. It is a very large dataset and as such it is currently not directly available on GDR. However, it is availabl...
Martin, T. and Nash, G. Energy and Geoscience Institute at the University of Utah
Oct 20, 2019
5 Resources
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5 Resources
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Technology Development and Field Trials of EGS Drilling Systems at Chocolate Mountain
Polycrystalline diamond compact (PDC) bits are routinely used in the oil and gas industry for drilling medium to hard rock but have not been adopted for geothermal drilling, largely due to past reliability issues and higher purchase costs. The Sandia Geothermal Research Departmen...
Knudsen, S. et al Sandia National Laboratories
Jan 01, 2012
3 Resources
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3 Resources
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Pressure Sensor and Telemetry Methods for Measurement while Drilling in Geothermal Wells
Project status report as of end of 2011. Key milestones and accomplishments in the year 2011 include:
Proof of feasibility of analog and digital components with their lifetime tested for more than 500 hours at 300 degrees C,
Demonstration of ceramic-based packaging capable of su...
Vert, A. GE Global Research
Jan 01, 2012
1 Resources
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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
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Curated
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Curated
Establishing the Frontier Observatory for Research in Geothermal Energy (FORGE) on the Newberry Volcano, OR
The proposed Newberry Volcano FORGE site is in central Oregon on the northwest flank of the largest volcano in the Cascades volcanic arc. Beneath Newberry Volcano is one of the largest geothermal heat reservoirs in the western United States, extensively studied for the last 40 yea...
Bonneville, A. et al Pacific Northwest National Laboratory
Feb 22, 2016
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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
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The Use of 3D Geologic Modeling to Improve Well Targeting in Glass Buttes, Oregon
The Glass Buttes Project includes combining a suite of high-resolution geophysical and geochemical techniques to reduce exploration risk by characterizing hydrothermal alteration, fault geometries and relationships. This is aided through geologic observation, modern remote sensing...
Walsh, P. Ormat Nevada Inc
Oct 09, 2011
1 Resources
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1 Resources
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