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The Reliability of Acoustic Emission Inspection on the Storage Tank Floor

[+] Author Affiliations
Zhenghong Guo, Yewei Kang, Hongyuan Chen, Huatian Xu

PetroChina Pipeline R&D Center, Langfang, Hebei, China

Mo Liu

China Petroleum Pipeline Inspection Technologies Co., Ltd, Langfang, Hebei, China

Paper No. IPC2014-33123, pp. V004T05A003; 5 pages
doi:10.1115/IPC2014-33123
From:
  • 2014 10th International Pipeline Conference
  • Volume 4: Production Pipelines and Flowlines; Project Management; Facilities Integrity Management; Operations and Maintenance; Pipelining in Northern and Offshore Environments; Strain-Based Design; Standards and Regulations
  • Calgary, Alberta, Canada, September 29–October 3, 2014
  • Conference Sponsors: Pipeline Division
  • ISBN: 978-0-7918-4613-1
  • Copyright © 2014 by ASME

abstract

It is difficult to inspect a tank floor when tank is in service. The conventional inspection of a tank floor after it is opened and cleaned is time-consuming and is a high cost. So the in-service inspection of above-ground storage tank floors with Acoustic Emission (AE) technique is accepted by petrochemical industry more and more. Until now more than 70 tanks have been inspected with AE technology in PetroChina Pipeline Company. In this paper our method is introduced and the influencing factors for AE testing are discussed. The reliability of AE testing is mainly concerned by comparing the results of AE testing with the one of conventional nondestructive testing (NDT). The study concluded that the AE inspection is a useful and economic tool for prioritizing the tank maintenance.

Copyright © 2014 by ASME

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