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涂料工业  2018, Vol. 48 Issue (9): 19-24    https://doi.org/10.12020/j.issn.0253-4312.2018.9.19
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内涂层油管在酸性环境的耐蚀性能研究
吴贵阳1,2,3,张强1,2,3,刘志德1,2,3
1. 中国石油西南油气田分公司天然气研究院,成都 610213; 2. 国家能源高含硫气藏开采研发中心,成都 610213;
3. 中国石油天然气集团公司高含硫气藏开采先导试验基地,成都 610213)
Study on corrosion resistance of inner coating tubing in sour gas environment
Wu Guiyang1,2,3,Zhang qiang1,2,3,Liu Zhide1,2,3
1. Research Institute of Natural Gas Technology, Petrochina Southwest Oil & Gasfield Company, Chengdu 610213, Sichuan, China; 2. National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu 610213, Sichuan, China;  3. High Sulfur Gas Exploitation Pilot Test Center, CNPC, Chengdu 610213, Sichuan, China
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摘要 文中建立了一套酸性气田用内涂层油管耐腐蚀性能评价方法,此方法先考察了内涂层油管在氯离子、氢离子、凝析油、H2S/CO2等介质环境的耐渗透性能,再考察了内涂层油管在高温高压高酸性条件下的耐腐蚀性能,配套制定的相关指标,可用于指导内涂层油管应用。结果表明:酚醛环氧内涂层油管具有较好的耐渗透性能,酸性条件下并不改变涂层耐渗透性能;而随着温度的升高及硫化氢分压的升高,涂层失效由阴极剥离失效转变为鼓泡失效。
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吴贵阳
张强
刘志德
关键词:  内涂层油管  耐腐蚀性  酸性环境  酚醛环氧树脂    
Abstract: Abstract:A method of evaluating corrosion resistance of inner coated tubing in sour gas field was established, and the penetration resistance of inner coated tubing in chloride, hydrogen, gas condensate and H2S/CO2 environments was studied, then the corrosion resistance of inner coated tubing under high temperature, high pressure and high sour gas environment was studied. Supporting related indicators could be used to guide the application of inner coated tubing. The results showed that the phenolic epoxy inner coated tubing had better resistance to penetration, meanwhile, the resistance to penetration of the coating did not change under sour gas environment. With the increase of the temperature and partial pressure of hydrogen sulfide, the coating failure shifted from cathodic peeling to blister.
Key words:  inner coated tubing    corrosion resistance    sour gas environment    phenolic epoxy resin
收稿日期:  2018-03-12      修回日期:  2018-05-19           出版日期:  2018-09-01      发布日期:  2018-09-13      期的出版日期:  2018-09-01
通讯作者:  吴贵阳    E-mail:  wuguiyang@petrochina.com.cn
引用本文:    
吴贵阳, 张强, 刘志德, . 内涂层油管在酸性环境的耐蚀性能研究[J]. 涂料工业, 2018, 48(9): 19-24.
Wu Guiyang, Zhang qiang, Liu Zhide, . Study on corrosion resistance of inner coating tubing in sour gas environment. Paint & Coatings Industry, 2018, 48(9): 19-24.
链接本文:  
http://manu65.magtech.com.cn/Jwk3_tlgy/CN/10.12020/j.issn.0253-4312.2018.9.19  或          http://manu65.magtech.com.cn/Jwk3_tlgy/CN/Y2018/V48/I9/19
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