As exploration of energy resources develops further into the remote Canadian North, pipeline construction is being pushed further into the unknown. The new pipeline construction in the North has generated a great need for understanding and predicting the behaviour of pipelines under harsh northern environmental conditions. Continuous real-time monitoring technology using distributed strain sensors has become a possible method for monitoring the performance of these pipelines in the field. The aim of this research is to find the correlation between the distributed strains along the line pipes and the local buckling (wrinkling) of these pipes, and to study the contribution of these distributed strains to the detection of initial wrinkle of buried pipelines. Both experiments and finite element analyses (FEA) concluded significant findings in the current research. Conventional strain gauges and advanced Brillouin Scattering fibre optic sensors (BSFOSs) were employed in the experimental programs. BSFOSs can measure the distributed strains spacing as close as 50 mm along the line pipes, so that these sensors can detect the wrinkle location along the monitored pipeline. The distributed strains measured from the BSFOSs and from conventional strain gauges in longitudinal direction are presented in this paper. The methodology for detecting the initiation of pipe wrinkling and finding the optimal positions of installation of the distributed sensors are proposed.
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2006 International Pipeline Conference
September 25–29, 2006
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
0-7918-4261-4
PROCEEDINGS PAPER
Monitoring and Prediction of Pipe Wrinkling Using Distributed Strain Sensors Available to Purchase
Z. L. Chou,
Z. L. Chou
University of Alberta, Edmonton, AB, Canada
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J. J. R. Cheng,
J. J. R. Cheng
University of Alberta, Edmonton, AB, Canada
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Joe Zhou
Joe Zhou
TransCanada PipeLines Ltd., Calgary, AB, Canada
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Z. L. Chou
University of Alberta, Edmonton, AB, Canada
J. J. R. Cheng
University of Alberta, Edmonton, AB, Canada
Joe Zhou
TransCanada PipeLines Ltd., Calgary, AB, Canada
Paper No:
IPC2006-10595, pp. 307-315; 9 pages
Published Online:
October 2, 2008
Citation
Chou, ZL, Cheng, JJR, & Zhou, J. "Monitoring and Prediction of Pipe Wrinkling Using Distributed Strain Sensors." Proceedings of the 2006 International Pipeline Conference. Volume 1: Project Management; Design and Construction; Environmental Issues; GIS/Database Development; Innovative Projects and Emerging Issues; Operations and Maintenance; Pipelining in Northern Environments; Standards and Regulations. Calgary, Alberta, Canada. September 25–29, 2006. pp. 307-315. ASME. https://doi.org/10.1115/IPC2006-10595
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