2013 Geothermal Technologies Office Peer Review Summary: Evaluation of Drilling Technology
Abstract not provided.
Publications
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Jump to search filtersPDC Bits Outperform Conventional Bit in Geothermal Drilling Project
Abstract not provided.
Drilling Best Practices
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ENG 505 - Energy Surety and Systems: Geothermal Energy
Abstract not provided.
Handbook of Best Practices for Geothermal Drilling
This Handbook is a description of the complex process that comprises drilling a geothermal well. The focus of the detailed Chapters covering various aspects of the process (casing design, cementing, logging and instrumentation, etc) is on techniques and hardware that have proven successful in geothermal reservoirs around the world. The Handbook will eventually be linked to the GIA web site, with the hope and expectation that it can be continually updated as new methods are demonstrated or proven.
Top Hat Flow Calcuations
Abstract not provided.
A Multi-Tiered System Dynamics Approach for Geothermal Systems Analysis and Evaluation
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A Review of Renewable Energy and Research at Sandia National Laboratories
Abstract not provided.
Development of a High-Temperature Diagnostics-While-Drilling Tool
This report documents work performed in the second phase of the Diagnostics While-Drilling (DWD) project in which a high-temperature (HT) version of the phase 1 low-temperature (LT) proof-of-concept (POC) DWD tool was built and tested. Descriptions of the design, fabrication and field testing of the HT tool are provided.
Geothermal and Well Construction Research
Abstract not provided.
Geothermal Well Cost Analyses 2008
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Geothermal Research: Presentation to STEAB 04/08/08
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Drilling and Completions Technology for Geothermal Wells
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Drilling Technology for National Security
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Drilling and Completions Technology for Geothermal Wells
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High-Temperature Diagnostics-While Drilling System
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Hard-rock field performance of drag bits and a downhole Diagnostics-While-Drilling (DWD) tool
Transactions - Geothermal Resources Council
A series of field tests sponsored by Sandia National Laboratories has simultaneously demonstrated the hard-rock drilling performance of different industry-supplied drag bits as well as Sandia's new Diagnostics-While-Drilling (DWD) system, which features a novel downhole tool that monitors dynamic conditions in close proximity to the bit. Drilling with both conventional and advanced ("best effort") drag bits was conducted at the GTI Catoosa Test Facility (near Tulsa, OK) in a well-characterized lithologic column that features an extended hard-rock interval of Mississippi limestone above a layer of highly abrasive Misener sandstone and an underlying section of hard Arbuckle dolomite. Output from the DWD system was closely observed during drilling and was used to make real-time decisions for adjusting the drilling parameters. This paper summarizes penetration rate and damage results for the various drag bits, shows representative DWD display data, and illustrates the application of these data for optimizing drilling performance and avoiding trouble.
DWD : second-generation data link (2.2.4a)
Abstract not provided.
DWD : downhole measurement sub (2.2.4b)
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DWD : field test & analysis (2.2.4c)
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