摘要
针对含Cr低合金钢石油专用管的CO2腐蚀产物膜,介绍了CO2腐蚀产物膜的形成机理,总结了含Cr低合金钢的CO2腐蚀产物膜的影响因素,其中包括Cr含量、温度、CO2分压、pH值、腐蚀时间、Cl-浓度、流速等对其腐蚀产物膜的影响,并对腐蚀产物膜的结构与成分进行总结,归类了缓蚀剂对含Cr低合金钢石油专用管的保护办法,以期为今后含Cr低合金钢的CO2腐蚀产物膜的研究提供借鉴。
The formation and formation mechanism of CO2 corrosion scale on Cr containing low alloy steel, known as Oil Country Tubular Goods(OCTG), were summarized, while the relevant influencing factors, such as the effect of temperature, chromium content, CO2 partial pressure, pH value, Cl- concentration, corrosion time and flow velocity etc.,on the formation of CO2 corrosion scale on Cr containing low alloy steel were analyzed. In addition, the structure and composition of the corrosion scale were also summarized. Finally, the protective measures with corrosion inhibitors were classified in this paper, which would provide a reference for the research direction of the formation of CO2 corrosion scale Cr containing low alloy steel in the future.
作者
杜明
朱世东
张骁勇
李金灵
宋少华
DU Ming;ZHU Shidong;ZHANG Xiaoyong;LI Jinling;SONG Shaohua(College of Materials Science and Engineering,Xi'an Shiyou University,Xi'an 710065,China;State Key Laboratory of Petroleum Pollution Control,CNPC Research Institute of Safety and Environmental Technology,Beijing 102206,China;College of Chemistry & Chemical Engineering,Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi'an Shiyou University, Xi'an 710065, China)
出处
《腐蚀科学与防护技术》
CAS
CSCD
北大核心
2019年第3期335-342,共8页
Corrosion Science and Protection Technology
基金
国家自然科学基金(21808182)
陕西省自然科学基础研究计划(2019JM-472)
陕西省重点研发计划(2017KJXX-49)
陕西省教育厅重点实验室科研计划(17JS113和18JS088)
西安市科技计划(2017081CG/RC044(XASY003)和(XASY004))
中国石油科技创新基金(2018D-5007-0216)~~
关键词
石油专用管
含Cr低合金钢
腐蚀产物膜
影响因素
腐蚀行为
oil country tubular goods
low alloy steel containing Cr
corrosion scale
influencing factor
corrosion behavior
