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    Pipeline failures in corrosive environments - A conceptual analysis of trends and effects

    Access Status
    Fulltext not available
    Authors
    Ossai, C.
    Boswell, B.
    Davies, Ian
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Ossai, C. and Boswell, B. and Davies, I. 2015. Pipeline failures in corrosive environments - A conceptual analysis of trends and effects. Engineering Failure Analysis. 53: pp. 36-58.
    Source Title
    Engineering Failure Analysis
    DOI
    10.1016/j.engfailanal.2015.03.004
    ISSN
    1350-6307
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/13329
    Collection
    • Curtin Research Publications
    Abstract

    © 2015 Elsevier Ltd. Pipeline corrosion is a major challenge facing many oil and gas industries today because of the enormous downtime associated with corrosion related failures. Fatigue stress initiation in pipelines has been attributed to corrosion defects whose growth is enhanced by cyclic loading caused by the operating pressure of the transported fluids. This work reviews the concept of oil and gas transmission pipeline failures in corrosive environment by highlighting the corrosion mechanisms, dominant stress corrosion cracking trends, hydrogen induced cracking and predominant models for burst pressure estimation. Fatigue stress failure trends of corroding pipelines were also explained whilst describing some pipeline manufacturing processes that increases the susceptibility to fatigue stress failure. Optimization framework for pipeline integrity assurance against corrosion fatigue failures was also shown to incorporate different steps that includes - strategic policy initiation, policy implementation, information analysis and reviews and implementation actions.

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