1 评价方法建立
1.1 评价程序
1.2 评价指标及方法
1.3 实验过程
表1 内涂层油管简介Table 1 Introduction of inner coating tubing |
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Study on Corrosion Resistance of Inner Coated Tubing in Sour Gas Environment
Received date: 2018-07-19
Online published: 2018-09-13
Copyright
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.
Guiyang Wu , qiang Zhang , Zhide Liu . Study on Corrosion Resistance of Inner Coated Tubing in Sour Gas Environment[J]. Paint & Coatings Industry, 2018 , 48(9) : 19 -24 . DOI: 10.12020/j.issn.0253-4312.2018.9.19
表1 内涂层油管简介Table 1 Introduction of inner coating tubing |
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