[1]程雅雯,赵会军,彭浩平,等.H2S/CO2共存环境下管道内腐蚀研究进展[J].常州大学学报(自然科学版),2015,(04):63-68.[doi:10.3969/j.issn.2095-0411.2015.04.012]
　CHENG Yawen,ZHAO Huijun,PENG Haoping,et al.Research Progress of the Pipeline under the Coexistence of H2S/CO2 [J].Journal of Changzhou University(Natural Science Edition),2015,(04):63-68.[doi:10.3969/j.issn.2095-0411.2015.04.012]
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H2S/CO2共存环境下管道内腐蚀研究进展()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2015年04期
页码:
63-68
栏目:
石油与天然气工程
出版日期:
2015-11-15

文章信息/Info

Title:
Research Progress of the Pipeline under the Coexistence of H2S/CO2
作者:
程雅雯; 赵会军; 彭浩平; 张伟刚
江苏省油气储运技术重点实验室(常州大学),江苏 常州 213016
Author(s):
CHENG Yawen; ZHAO Huijun; PENG Haoping; ZHANG Weigang
Jiangsu Key Laboratory of Oil & Gas Storage and Transportation Technology, Changzhou University, Changzhou 213016, China
关键词:
油气管道;  含水率;  CO2/H2S比率;  防腐措施;  抗腐蚀油管
Keywords:
oil and gas pipelines;  moisture content;  ration of CO2/H2S;  anticorrosion measures;  corrosion resistant tubing
分类号:
TE 988
DOI:
10.3969/j.issn.2095-0411.2015.04.012
文献标志码:
A
摘要:
研究了H2S/CO2共存环境下管道内腐蚀过程中的影响因素,如H2S/CO2比率、含水率、温度、流速等。其中最为重要的就是H2S/CO2比率,H2S/CO2比率不同生成的腐蚀产物就不同,相应的对基体的保护程度也就不同。而含水率则是通过影响液体的乳化形式来影响管道腐蚀速率,当液体由油包水型乳状液变为水包油型乳状液时管道的腐蚀速率大大增加。温度一方面通过影响保护膜的生成另一方面是改变反应的活化能,从而进一步影响腐蚀速率。然而两者共存下的腐蚀研究仍停留在实验的基础上,还未形成十分系统、完善的理论体系。最后介绍了油气集输系统中的几种防腐措施,特别是耐腐蚀钢在防腐蚀领域的应用,值得注意的是铬元素的加入大大增强了钢的耐腐蚀能力,但发生点蚀的风险也大大增加。
Abstract:
The paper studies the influence factors of pipeline internal corrosion under the coexistence of H2S/CO2, such as H2S/CO2 ratio, moisture content, temperature, flow rate, etc. The most important one is H2S/CO2 ratio, it effects corrosion products and correspondingly the degree of protection of matrix is different.Water cut affects the corrosion rate through affecting the emulsion liquid form and the corrosion rate will increases sharply when the emulsion changed into oil-in-water. Temperature affects the corrosion rate by affects the formation of corrosion product scale. However, the coexistence of both corrosion research was still on the basis of experiment. It hasn’t formed a very perfect, systematic theory system, and the establishment of its basic theory would be the focus of future research for a long period of time. Finally, several anticorrosion measures of acid gases are introduced, especially the application of corrosion resistant steel. The addition of Cr could improve the ability of corrosion resistance of steel.

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备注/Memo

备注/Memo:
收稿日期:2015-05-15。作者简介:程雅雯(1990—),女,山东东营人,硕士生。通讯联系人:赵会军(1965—),E-mail:zhj@cczu.edu.cn
更新日期/Last Update: 2015-10-20