X52管线钢在北阿模拟工况条件下的腐蚀行为
Corrosion Behavior of X52 Pipeline Steel under Conditions with Simulated Factors in North Azadegan
摘 要
通过腐蚀模拟试验，研究了不同H2S-CO2分压下温度、压力、Cl-含量等主要腐蚀影响因素对X52管线钢腐蚀行为的影响。结果表明，在低分压下，腐蚀产物为CaCO3，且随温度和压力的升高，X52管线钢的腐蚀速率先增大后减小，随Cl-含量的增加，腐蚀速率先减小后增大;在高分压下，腐蚀产物主要为硫化铁FexSy和FeCO3混合物，且随温度的升高X52腐蚀速率减小。
腐蚀
高硫高盐
X52管线钢
H2S-CO2 partial pressure
corrosion
high sulfur and high salinity
X52 pipeline steel
Abstract
The influences of temperature, pressure and Cl- concentration on the corrosion behavior of X52 pipeline steel under different H2S-CO2 partial pressure were investigated through corrosion simulation experiments. The results show that under low partial pressure, the corrosion product was CaCO3, and with the increase of temperature and pressure, the corrosion rate of X52 first increased and then decreased, as Cl- concentration increased, the corrosion rate first decreased and then increased. Under high partial pressure, the corrosion products were the mixture of FexSy and FeCO3, and with the increase of temperature, the corrosion rate of X52 decreased rapidly.
中图分类号 TG172.12 DOI 10.11973/fsyfh-201601006
所属栏目 试验研究
基金项目 国家自然科学基金(41276074); 中国石油天然气股份有限公司重大科技专项(2011Z-2503)
收稿日期 2014/11/26
修改稿日期
网络出版日期
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联系人作者李言涛(ytli68@163.com)
备注李言涛(1968-),研究员,博士,从事海洋腐蚀与防护相关研究,
引用该论文: WANG Yuan-chun,YU Yong,ZHANG Bin-bin,LI Yan-tao,TIAN Qing. Corrosion Behavior of X52 Pipeline Steel under Conditions with Simulated Factors in North Azadegan[J]. Corrosion & Protection, 2016, 37(1): 26
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【2】李国敏,刘烈伟,郑家燊. 碳钢在含硫化氢及高压二氧化碳饱和的NaCl溶液中的腐蚀行为[J]. 中国腐蚀与防护学报,2000,4:204-210.
【3】LEE K L J. Modeling of CO2 corrosion of mild steel in the presence of H2S[D]. Columbus:College of Engineering and Technology of Ohio University,2004.
【4】张清,李全安,文九巴,等. 温度对油管钢CO2/H2S腐蚀速率的影响[J]. 材料保护,2004,4:38-39.
【5】吴晗,汪益宁,王晖,等. 油气管道CO2腐蚀影响因素及防腐实验[J]. 油气田地面工程,2014,11:44-45.
【6】MASOURI D,ZAFARI M,ARAGHI A M. Sulfide stress cracking of pipeline-case history[C]//Corrosion/2008. Houston:NACE,2008:08480.
【7】SINGER M,BROWN B,CAMACHO A,et al. Combined effect of CO2, H2S and acetic acid on bottom of the line corrosion[C]//Corrosion/2007. Houston:NACE,2007:07661.
【8】NESIC S,WANG S,FANG H,et al. A new updated model of CO2/H2S corrosion in multiphase flow[C]//Corrosion/2008. Houston:NACE,2008:08535.
【9】路民旭,白真权,赵新伟,等. 油气采集储运中的腐蚀现状及典型案例[J]. 腐蚀与防护,2002,23(3):105-113.
【10】ABDULRAHMAN R K,SEBASTINE I M. Natural gas sweetening process simulation and optimization:a case study of Khurmala field in Iraqi Kurdistan region[J]. Journal of Natural Gas Science and Engineering,2013(14):116-120.
【11】HOU D,ZENG D,SHI T,et al. The effects of sulfide stress cracking on the mechanical properties and intergranular cracking of P110 casing steel in sour environments[J]. Petroleum Science,2013,10(3):385-394.
【12】LI W,ZHOU Y,XUE Y. Corrosion behavior about tubing steel in environment with high H2S and CO2 content[J]. Journal of Wuhan University of Technology:Materials Science Edition,2013,28(5):1038-1043.
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【14】PEREZ T E. Corrosion in the oil and gas industry:an increasing challenge for materials[J]. Jom,2013,65(8):1033-1042.
【15】PLENNEVAUX C,FERRANDO N,KITTEL J,et al. pH prediction in concentrated aqueous solutions under high pressure of acid gases and high temperature[J]. Corrosion Science,2013,73:143-149.
【16】张星,李兆敏,张志宏,等. 深井油管H2S腐蚀规律实验研究[J]. 腐蚀科学与防护技术,2006(1):16-19.
【17】吕祥鸿,赵国仙,张建兵,等. 用于集输管线的0.5Cr钢在模拟塔里木油田环境中的H2S/CO2腐蚀行为研究[J]. 石油学报,2009(5):782-787.
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