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Title: Risk assessment and inspection for structural integrity management
Category: Pigsource Papers
Downloadable: Yes 
Project No.:
Research Agency:
Catalog No.: pg3072e
Date of Publication: 1991
Price: $25.00 US
Authors: M Urednicek, R I Coote, R Coutts
Abstract: Gas transmission companies are under increasing pressure from several directions to develop and manage pipeline integrity programs in a responsible and cost-effective manner. The issues of pipeline reliability and safety of an ageing North American pipeline system are receiving increased public and regulatory attention. Record gas volumes on NOVA and other pipeline systems result in operations close to the design capacity for much of the year, increasing the business emphasis on reliability. NOVA's operating experience over a period of 32 years has led to the development and implementation of a comprehensive pipeline integrity program that provides a cost-effective contribution to the reliable operation of the gas transmission system. This paper describes the methods used to identify specific pipeline segments for integrity assessment, and the role of in-line inspection with instrumented pigs, and other monitoring methods, to ensure safety and reliability of operation by maintaining structural integrity of the pipeline system.
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