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Research on Pipeline Leak Detection Method Based on Joint Pressure and Dynamic Pressure

[+] Author Affiliations
Likun Wang, Min Xiong, Jinyun Zhao, Hongchao Wang, Bin Xu, DongLiang Yu, Yi Sun, Yongjun Cai

R&D Center of PetroChina Pipeline Company, LangFang, HeBei, China

Paper No. IPC2010-31159, pp. 501-506; 6 pages
doi:10.1115/IPC2010-31159
From:
  • 2010 8th International Pipeline Conference
  • 2010 8th International Pipeline Conference, Volume 3
  • Calgary, Alberta, Canada, September 27–October 1, 2010
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4422-9 | eISBN: 978-0-7918-3885-3
  • Copyright © 2010 by ASME

abstract

The dynamic pressure transmitter based on piezoelectric dynamic pressure transducer is designed. The characteristic of dynamic pressure transmitter when pipeline leak happened is analyzed. The dynamic pressure signal is suitable for pipeline leak detection for quick-change of pipeline internal pressure, while the static pressure is suitable for slow-change of pipeline internal pressure. This paper indicated that the dynamic pressure signal could be adjust to this detection that the pressure changes quickly in the pipeline. Field tests show that the proposed method detects pipeline leak rapidly and precisely. The field test in 68.2 km pipeline shows that the least detected leakage ratio with dynamic pressure method is 0.6 percent pipeline throughput and location error is 80 m.

Copyright © 2010 by ASME
Topics: Pressure , Pipelines , Leakage

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