Development and Customisation of Integrated Pipeline Integrity Management System
Proceedings Publication Date
Mohd Nazmi bin Mohd Ali Napiah
Mohd Nazmi bin Mohd Ali Napiah
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PETRONAS Gas Berhad (PGB), a subsidiary of Malaysia’s national oil and gas corporation, PETROLIAM Nasional Berhad (PETRONAS), processes, transports and supplies natural gas and utilities to petrochemical plants. PGB through its operating division, Transmission Operations Division (TOD) currently operates and maintains the nation’s 2,554 km of high pressure on-shore gas pipelines ranging from NPS 2 up to NPS 48. TOD has been operating the pipelines for more than 24 years and has kept good track record with regard to pipeline safety.

Recognising the value of a risk based approach to pipeline integrity management program, in 2002 PGB implemented a customised and fully integrated Pipeline Risk and Integrity Management System (PRIMS) which included software modules for:
• Data management • Semi-quantitative risk assessment • Risk control cost benefit analyses • Defect Assessment • Corrosion growth modeling • Reporting.

As part of this development and customisation project, a benchmarking study was performed, PGB’s pipeline integrity programs were also compared with a broad group of international pipeline operators. This study compared the relative ranking position of PGB pre- and post-implementation of PRIMS. It demonstrated that implementation of PRIMS places PGB in a select group of first quartile international pipeline operators, with respect to the implementation of pipeline integrity management best practices. This paper describes the functionalities of PRIMS system and how it has benefited PGB, which have been realised to date from its implementation.

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