檀朝东, 方智, 陈林, 黄素娟, 周晓东, 刘公民. 集输管线腐蚀原因分析[J]. 工程科学学报, 1996, 18(S2): 21-26. DOI: 10.13374/j.issn1001-053x.1996.s2.005
引用本文: 檀朝东, 方智, 陈林, 黄素娟, 周晓东, 刘公民. 集输管线腐蚀原因分析[J]. 工程科学学报, 1996, 18(S2): 21-26. DOI: 10.13374/j.issn1001-053x.1996.s2.005
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Tan Chaodong, Fang Zhi, Chen Lin, Huang Sujuan, Zhou Xiaodong, Liu Gongmin. Analysis of Corrosion of Oil Pipelines[J]. Chinese Journal of Engineering, 1996, 18(S2): 21-26. DOI: 10.13374/j.issn1001-053x.1996.s2.005
Citation: Tan Chaodong, Fang Zhi, Chen Lin, Huang Sujuan, Zhou Xiaodong, Liu Gongmin. Analysis of Corrosion of Oil Pipelines[J]. Chinese Journal of Engineering, 1996, 18(S2): 21-26. DOI: 10.13374/j.issn1001-053x.1996.s2.005
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集输管线腐蚀原因分析

Analysis of Corrosion of Oil Pipelines

    摘要
  • 摘要: 研究了青海油田集输管线腐蚀的主要原因。结果表明:水样中高氯离子含量、高总含盐量、高矿化度是影响管线腐蚀加剧的重要原因。细菌微生物参与了管线的腐蚀反应,它与溶液中氯离子共同作用,使管线局部腐蚀加剧。同时管线还受到由硫化氢引起的应力腐蚀作用,使得管线既可能由于坑蚀或孔蚀导致腐蚀穿孔,还可能由于应力腐蚀而导致突发性开裂。

     

    Abstract: The main reason for corrosion of oil pipelines in Qinghai oil field has been studied. High concentration of Cl-,salts, high mineral degree are main factors to influence the corrosion of pipelines. Bacteria also assist corrosion. Localized corrosion induced by Cl- and bacteria was accelerated.Simultaneously the pipelines also suffer from SCC induced by H2S. The pipeline steel could possibly leak by pitting or abrupt fracture by stress corrosion.

     

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