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Pipeline Material Reliability Analysis Regarding to Probability of Failure Using Corrosion Degradation Model

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Abstract:

Reliability of equipment of the oil and gas industry is vital, whereas on pipeline transmission system, decreasing the integrity of the pipeline is generally caused by corrosion. Failure that occurs due to corrosion deterioration influenced by the environment within a certain time, and has exceeded the nominal thickness of the pipe so there is a failure. This study used the reliability analysis approach based on modeling corrosion degradation ratio that is determined by the amount of the corrosion rate externally and internally. Using the Weibull probabilistic distribution method, results that the reliability of pipeline will decrease with increasing lifetime. It was identified that internal corrosion has a major contribution to the remaining life of pipeline. From the calculation results obtained by external corrosion has the greatest reliability over 60 years, followed by internal corrosion less than 30 years and the least is by cumulative corrosion which is less than 20 years. From the value of reliability, it can be known probability of failure (POF) which is the anti reliability.

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Periodical:

Advanced Materials Research (Volume 422)

Pages:

705-715

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.422.705

Citation:

Cite this paper

Online since:

December 2011

Authors:

Patuan Alfon, Johny Wahyuadi Soedarsono, Dedi Priadi, S Sulistijono

Keywords:

Corrosion, Gas Transmission Pipeline, Reliability, Remaining Life, Weibull

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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