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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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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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1 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
0 Stars
Publicly accessible
5 Resources
0 Stars
Publicly accessible
Operational Performance Requirements For Motor Power Sections Used in Geothermal Drilling Based Upon Minimum Specific Energy
Operational performance requirements are needed to support development of specifications for downhole motor power sections to be used for drilling hard rock during geothermal wellbore construction. Theoretical torque specifications are derived based upon a widely-accepted rock-re...
Raymond, D. Sandia National Laboratories
Sep 10, 2014
1 Resources
1 Stars
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1 Resources
1 Stars
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Validation of Innovative Exploration Technologies for Newberry Volcano: Drilling Summary
Drilling summary from validation of innovative exploration technologies for Newberry Volcano, including depths, dates, and drilling statistics from 2012
Jaffe, T. Davenport Newberry Holdings, LLC
Jan 01, 2012
1 Resources
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1 Resources
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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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Hydraulic Studies of Drilling Microbores with Supercritical Steam, Nitrogen and Carbon Dioxide
Hydraulic studies of drilling micropores at various depths and with various hole sizes, tubing, fluids and rates to show theoretical feasibility.
WELLFLO Simulations Report separated into three parts:
Step 4: Drilling 10,000 ft Wells with Supercritical Steam, Nitrogen, and Carbon...
Karaaslan, M. Impact Technologies LLC
Jan 01, 2010
3 Resources
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3 Resources
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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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1 Resources
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Community Geothermal: Final Thermal Conductivity Test Report and Data Logs Carbondale, CO
Provided here are a final thermal conductivity test report, a drilling log, and a heat rejection log from Carbondale, CO. Also attached is a report made before drilling, which contains predictions on the hydrogeologic conditions of the drill site. The forty-eight (48.9) hour in-si...
Ewbank, G. et al Clean Energy Economy for the Region (CLEER)
Oct 20, 2023
4 Resources
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4 Resources
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End of Well Report and Addenda
End of well report for the drilling of AK-3, the 3rd core hole in Hot Springs Bay Valley on Akutan Island. Project initiated and managed by the City of Akutan. Previous exploration and drilling of first 2 wells by Alaska Energy Authority, and this well partially funded by DOE. Dri...
Mann, M. Geothermal Resource Group on behalf of the City of Akutan
Sep 08, 2016
2 Resources
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2 Resources
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Utah FORGE: Slide-Hold-Slide Experiments on Gneiss at Increased Temperature
Included are data from triaxial, single-inclined-fracture friction experiments. The experiments were performed with slide-hold-slide protocol on Utah FORGE gneiss at increased temperature. With a ~10 MPa normal stress, temperatures vary between experiments from room temperature u...
Eijsink, A. and Elsworth, D. Pennsylvania State University
Jul 25, 2023
24 Resources
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24 Resources
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McGinness Hills Well 27A-10 Daily Drilling Report Data
This data should be used with the daily drilling record and other data which can be obtained from the contact listed below.
Knudsen, S. Sandia National Laboratories
Mar 25, 2014
2 Resources
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2 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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Utah FORGE: Discrete Fracture Network (DFN) Data
The FORGE team is making these fracture models available to researchers wanting a set of natural fractures in the FORGE reservoir for use in their own modeling work. They have been used to predict stimulation distances during hydraulic stimulation at the open toe section of well 1...
Finnila, A. and Podgorney, R. Golder Associates Inc.
Jun 24, 2020
66 Resources
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66 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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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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Utah FORGE: Fault Shear Reactivation Experimental Data for Fluid Injection-Rate Controls on Seismic Moment
Included are experimental data recorded from shear experiments that specifically explore the link between fluid-injection rate and seismic moment resulting from shear reactivation of laboratory faults. Raw mechanical data from three experiments are included alongside corresponding...
Roseboom, M. et al Pennsylvania State University
Nov 07, 2023
6 Resources
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6 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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Utah FORGE: Chemical-Based Tool Deployment Data for Inflow Detection at Wells 58-32 and 16B(78)-32 Summer 2024 Circulation Test
This dataset comprises field logging data collected during chemical-based tool deployments at the Utah FORGE geothermal site, specifically at monitoring well 58-32 and production well 16B(78)-32. Data acquisition occurred during the Summer 2024 circulation testing campaign, with t...
Sausan, S. et al Stanford University
Mar 31, 2025
12 Resources
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12 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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University of Illinois Campus Deep Direct-Use Feasibility Study Geology Log and Drilling Prospectus
Geology log and drilling prospectus for University of Illinois at Urbana-Champaign (UIUC) Energy Farm.
Nelson, W. University of Illinois
Apr 16, 2018
1 Resources
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1 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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1 Resources
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Silver Peak Innovative Exploration Project (Ram Power Inc.)
Data generated from the Silver Peak Innovative Exploration Project, in Esmeralda County, Nevada, encompasses a deep-circulation (amagmatic) meteoric-geothermal system circulating beneath basin-fill sediments locally blanketed with travertine in western Clayton Valley (lithium-rich...
Miller, C. Ram Power, Inc.
Jan 01, 2010
27 Resources
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27 Resources
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Tracerco High Temperature Tracer Thermal Stability Testing Report
This report presents thermal stability testing of fifteen Tracerco water tracers exposed to 250C for 48 hours. Tracer concentrations were compared using HPLC, with samples grouped based on retention time. Three tracers, HTP-001, HTP-002, and HTP-005, retained over 90% of their ori...
Leggett, S. Texas Tech University
Apr 11, 2025
1 Resources
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1 Resources
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Fiber Optic Thermal Slug Experiments Conducted at Texas Tech University Report
The report details a thermal circulation test at Red Raider #2 at the Oil Field Technology Center (OTC) involving staged hot water injections and distributed temperature sensing (DTS) fiber optic measurements. It includes experimental setup, fluid flow and temperature data, therm...
Leggett, S. Texas Tech University
Apr 11, 2025
1 Resources
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1 Resources
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