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Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing

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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 high-temperature drilling motor that can be used in directional drilling applications for drilling high temperature geothermal formations. The motor is specifically designed to operate in conjunction with a pneumatic down-the-hole-hammer. It provides a more compact design compared to traditional drilling motors such as PDMs (positive displacement motors). The packaging can help to enhance directional drilling capabilities. It uses no elastomeric components, which enables it to operate in higher temperatures (greater than 250 degrees F). Current work on the motor has shown that is a capable of operating under pneumatic power with a down-the-hole-hammer. Further development work will include continued testing and refining motor components and evaluating motor capabilities.

Targets/Milestones
Complete testing current motor - 12/31/2010
Make final material and design decisions - 01/31/2011
Build and test final prototype - 04/31/2011
Final demonstration - 07/31/2011
Impacts
The development of the motor will help to achieve program technical objectives by improving well construction capabilities. This includes enabling high-temperature drilling as well as enhancing directional drilling.

A key component in the auto indexer is the drive motor. It is an air-driven vane motor that converts the energy stored in the compressed air to mechanical energy. The motor is attached to hammer-like components which impart an impulsive load onto the drive shaft. The impulsive force on the drive shaft in turn creates an indexing action.

A controlled test was performed to characterize the performance of the the vane motor for a given pressure. The Sandia dynamometer test station was used to determine the performance of the motor for a given input pressure.

Citation Formats

TY - DATA AB - 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 high-temperature drilling motor that can be used in directional drilling applications for drilling high temperature geothermal formations. The motor is specifically designed to operate in conjunction with a pneumatic down-the-hole-hammer. It provides a more compact design compared to traditional drilling motors such as PDMs (positive displacement motors). The packaging can help to enhance directional drilling capabilities. It uses no elastomeric components, which enables it to operate in higher temperatures (greater than 250 degrees F). Current work on the motor has shown that is a capable of operating under pneumatic power with a down-the-hole-hammer. Further development work will include continued testing and refining motor components and evaluating motor capabilities. Targets/Milestones Complete testing current motor - 12/31/2010 Make final material and design decisions - 01/31/2011 Build and test final prototype - 04/31/2011 Final demonstration - 07/31/2011 Impacts The development of the motor will help to achieve program technical objectives by improving well construction capabilities. This includes enabling high-temperature drilling as well as enhancing directional drilling. A key component in the auto indexer is the drive motor. It is an air-driven vane motor that converts the energy stored in the compressed air to mechanical energy. The motor is attached to hammer-like components which impart an impulsive load onto the drive shaft. The impulsive force on the drive shaft in turn creates an indexing action. A controlled test was performed to characterize the performance of the the vane motor for a given pressure. The Sandia dynamometer test station was used to determine the performance of the motor for a given input pressure. AU - Su, Jiann DB - Open Energy Data Initiative (OEDI) DP - Open EI | National Renewable Energy Laboratory DO - 10.15121/1150314 KW - geothermal KW - drilling KW - high-temperature tools KW - auto indexer KW - air-driven vane motor KW - dynamometer KW - high temperature drilling motor KW - percussive hammer KW - down-the-hole-hammer KW - high temeprature drilling KW - directional drilling LA - English DA - 2012/01/01 PY - 2012 PB - Sandia National Laboratories T1 - Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing UR - https://doi.org/10.15121/1150314 ER -
Export Citation to RIS
Su, Jiann. Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing. Sandia National Laboratories, 1 January, 2012, GDR. https://doi.org/10.15121/1150314.
Su, J. (2012). Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing. [Data set]. GDR. Sandia National Laboratories. https://doi.org/10.15121/1150314
Su, Jiann. Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing. Sandia National Laboratories, January, 1, 2012. Distributed by GDR. https://doi.org/10.15121/1150314
@misc{OEDI_Dataset_6533, title = {Auto Indexer Auto-Indexer for Percussive Hammers: Vane Motor Dynamometer Testing}, author = {Su, Jiann}, abstractNote = {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 high-temperature drilling motor that can be used in directional drilling applications for drilling high temperature geothermal formations. The motor is specifically designed to operate in conjunction with a pneumatic down-the-hole-hammer. It provides a more compact design compared to traditional drilling motors such as PDMs (positive displacement motors). The packaging can help to enhance directional drilling capabilities. It uses no elastomeric components, which enables it to operate in higher temperatures (greater than 250 degrees F). Current work on the motor has shown that is a capable of operating under pneumatic power with a down-the-hole-hammer. Further development work will include continued testing and refining motor components and evaluating motor capabilities.

Targets/Milestones
Complete testing current motor - 12/31/2010
Make final material and design decisions - 01/31/2011
Build and test final prototype - 04/31/2011
Final demonstration - 07/31/2011
Impacts
The development of the motor will help to achieve program technical objectives by improving well construction capabilities. This includes enabling high-temperature drilling as well as enhancing directional drilling.

A key component in the auto indexer is the drive motor. It is an air-driven vane motor that converts the energy stored in the compressed air to mechanical energy. The motor is attached to hammer-like components which impart an impulsive load onto the drive shaft. The impulsive force on the drive shaft in turn creates an indexing action.

A controlled test was performed to characterize the performance of the the vane motor for a given pressure. The Sandia dynamometer test station was used to determine the performance of the motor for a given input pressure.}, url = {https://gdr.openei.org/submissions/178}, year = {2012}, howpublished = {GDR, Sandia National Laboratories, https://doi.org/10.15121/1150314}, note = {Accessed: 2025-05-03}, doi = {10.15121/1150314} }
https://dx.doi.org/10.15121/1150314

Details

Data from Jan 1, 2012

Last updated Aug 19, 2021

Submitted Feb 21, 2013

Organization

Sandia National Laboratories

Contact

Jiann Su

Authors

Jiann Su

Sandia National Laboratories

Research Areas

DOE Project Details

Project Lead Greg Stillman

Project Number FY13 AOP 3.4

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