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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2016 Vol.5

    Analysis on Pigging Risks of Subsea Gas Pipeline and Study on Corresponding Measures
    Author of the article:Gao Chao, Wang Hao, Guo Dongsheng
    Author's Workplace：Shanghai Petroleum & Gas Co., Ltd,
    Key Words：Subsea gas pipeline; Pigging; Risk analysis; Corresponding measures
    Abstract：In order to assure the safety of pigging operation, risk analysis and precautionary measures should be taken. Pinghu offshore oil & gas field's 14-inch (1 inch=25.4mm) natural gas subsea pipeline's pigging project was taken as an example, possible risks mainly concentrated on the line itself and its accessories, loading liquids, pigs, human, removed dirt, natural environment, etc. Corresponding measures were proposed, including carefully reviewing pipeline information files, replacing relevant equipments, installing anti-blocking devices, predicting volume of loading liquid, choosing reasonable pigs, progressive pigging, conducting special training, avoiding extreme weather, etc.

     


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