NDLI: Implementation of an Integrity Management Strategy to Optimize Future Inspection, Maintenance and Rehabilitation Activities

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Brown, B. Clausard, C. Wilde, A. Healy, J. Russell, A. C.
Copyright Year	2008
Abstract	A Canadian pipeline company operates a 12 inch, nominal wall thickness 5.08mm and 25 km long partially buried insulated pipeline that transports hot liquid oil from an oil refinery, supplying product to a customer in Canada. In addition to the economic importance, this pipeline crosses a city intersecting several high consequence areas (HCA’s). Therefore ensuring the public safety and reliability of the pipeline is critical. One of the primary threats to the integrity of the system is external corrosion associated with areas of damage to the yellow jacket external coating. In buried sections this is due to a combination of water ingress in the damaged coating and CP shielding in these localized areas. The above ground sections are at a higher risk since they are open to the environment and any water ingress can be replenished. This corrosion mechanism can lead to potentially high corrosion rates. Such localized damage is difficult or impossible to detect in above-ground surveys. In addition to routine above-ground surveys and site examinations, high resolution in-line inspection is a key component of the pipeline operator’s overall integrity management strategy. It is conducted at appropriate frequencies to confirm the condition of the pipeline and to optimize maintenance plans to ensure the future safe, reliable and cost effective operation of the pipeline. To date three in-line inspections have been conducted on this pipeline. This paper presents an innovative technique for conducting a detailed corrosion growth comparison of the three inspection data sets and demonstrates the practical use of this methodology to optimize the future integrity management strategy.
Sponsorship	International Petroleum Technology Institute and the Pipeline Division
Starting Page	383
Ending Page	391
Page Count	9
File Format	PDF
ISBN	9780791848586
DOI	10.1115/IPC2008-64265
e-ISBN	9780791838358
Volume Number	2008 7th International Pipeline Conference, Volume 2
Conference Proceedings	2008 7th International Pipeline Conference
Language	English
Publisher Date	2008-09-29
Publisher Place	Calgary, Alberta, Canada
Access Restriction	Subscribed
Subject Keyword	Pipeline integrity management strategy Corrosion risk assessment Corrosion growth comparison Water Pipelines Pipeline integrity management Inspection Risk Maintenance Coatings Wall thickness Corrosion Risk assessment Coating processes Resolution (optics) Safety Damage Reliability
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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