CO2对碳钢腐蚀影响的模拟试验及缓蚀剂评价
Simulating Study of the Influence of CO2 on Corrosion in Oil pipelines
摘 要
对CO2在油田模拟采出水中碳钢的腐蚀情况和影响因素进行了试验分析和讨论.分别对型号为HJF-94和WSL-1的两种油田常用缓蚀剂的性质和缓蚀效果进行了测试.结果表明,HJF-94缓蚀剂,在较低和较高的浓度范围内,有较好的缓蚀效果;WSL-1缓蚀剂,在较低和较高的浓度范围内,有很好的缓蚀效果,尤其在较高浓度时缓蚀效果非常好.
模拟水
缓蚀剂
缓蚀率
carbon dioxide corrosion
simulated water
corrosion inhibitor
inhibition rate
Abstract
Carbon dioxide is a species of weak acidic gas,it is an corrosive in oil and gas industries.The influencing factors of CO2 corrosion are discussed and analyzed for simulated extraction water of oil-field in which carbon dioxide dissolved.The characters of two common used oilfield corrosion inhibitors,HJF-94 and WSL-1,were tested.The results showed a good effect of inhibition after using the two corrosion inhibitors in the ranges of lower and higher concentrations.In this experiment,the WSL-1 exhibited better effect than the HJF-94 and the best effect appeared in high concentrations.
中图分类号 TG172.6 TG174.42
所属栏目 试验研究
基金项目
收稿日期 2007/9/25
修改稿日期 2007/11/27
网络出版日期
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引用该论文: WEI Ai-jun,HUO Fu-yong,CHENG Shi-bao,DANG Xiao-li. Simulating Study of the Influence of CO2 on Corrosion in Oil pipelines[J]. Corrosion & Protection, 2008, 29(7): 378～380
被引情况:
【1】陈浩,江胜飞,古丽,江胜涛,王亚丽, "高温高压含CO2气田油气混输管道失效分析",腐蚀与防护 34, 185-188(2013)
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参考文献
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【3】Kermani M B,Morshed A.Carbon dioxide corrosion in oil and gas production-A compendium [J].Corrosion,2003,59(8):559-683.
【4】何新快,陈白珍,张钦发.缓蚀剂的研究现状与展望[J].材料保护,2003,36(3):45-48.
【5】郑家燊.二氧化碳腐蚀研究状况[J].断块油气田,1996,3(1):62-65.
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