REALTIME MONITORING OF PIPELINES FOR THIRD-PARTY CONTACT

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Description

Third-party contact with pipelines (typically caused by contact with a digging or drilling device) can result in mechanical damage to the pipe, in addition to coating damage that can initiate corrosion. Because this type of damage often goes unreported and can lead to eventual catastrophic failure of the pipe, a reliable, cost-effective method is needed for monitoring and reporting third-party contact events. The impressed alternating cycle current (IACC) pipeline monitoring method consists of impressing electrical signals on the pipe by generating a time-varying voltage between the pipe and the soil at periodic locations where pipeline access is available. The signal ... continued below

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18 pages

Creation Information

Burkhardt, Gary L.; Crouch, Alfred E. & Fisher, Jay L. April 1, 2004.

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Description

Third-party contact with pipelines (typically caused by contact with a digging or drilling device) can result in mechanical damage to the pipe, in addition to coating damage that can initiate corrosion. Because this type of damage often goes unreported and can lead to eventual catastrophic failure of the pipe, a reliable, cost-effective method is needed for monitoring and reporting third-party contact events. The impressed alternating cycle current (IACC) pipeline monitoring method consists of impressing electrical signals on the pipe by generating a time-varying voltage between the pipe and the soil at periodic locations where pipeline access is available. The signal voltage between the pipe and ground is monitored continuously at receiving stations located some distance away. Third-party contact to the pipe that breaks through the coating changes the signal received at the receiving stations. In this project, the IACC monitoring method is being developed, tested, and demonstrated. Work performed to date includes a technology assessment, development of an IACC model to predict performance and assist with selection of signal operating parameters, and experimental measurements on a buried pipe at a test site. Initial results show that simulated contact can be detected. Future work will involve further refinement of the method and testing on operating pipelines.

Physical Description

18 pages

Notes

OSTI as DE00824010

Source

  • Other Information: PBD: 1 Apr 2004

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  • Report No.: NONE
  • Grant Number: FC26-03NT41878
  • DOI: 10.2172/824010 | External Link
  • Office of Scientific & Technical Information Report Number: 824010
  • Archival Resource Key: ark:/67531/metadc788467

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • April 1, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • Jan. 3, 2017, 1:12 p.m.

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Burkhardt, Gary L.; Crouch, Alfred E. & Fisher, Jay L. REALTIME MONITORING OF PIPELINES FOR THIRD-PARTY CONTACT, report, April 1, 2004; United States. (digital.library.unt.edu/ark:/67531/metadc788467/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.