腐蚀
材料科学
缓蚀剂
盐(化学)
复配
冶金
化学
复合材料
有机化学
作者
Xuanqi Yan,Weiqi Jiang,Yingrui Wang,Lili Zhang,Na Su,Fang Shang,Qingzhen Du,Shangsheng Yao,Xi Chen,Zhigang Liu
出处
期刊:IOP conference series
[IOP Publishing]
日期:2020-09-01
卷期号:567 (1): 012006-012006
被引量:2
标识
DOI:10.1088/1755-1315/567/1/012006
摘要
Abstract The purpose of this paper is to develop a kind of high temperature corrosion inhibitor and to resolve the problem of CO2/O2 corrosion in high temperature oil well. The experimental methods include CO2/O2 corrosion simulation experiment, screening experiment, formula compounding and orthogonal experiment which are used to test the corrosion inhibition rate at different temperature and concentration. HZ-9 high temperature corrosion inhibitor for CO2/O2 is developed in high temperature oil well during fire flood. The main component of HZ-9 is imidazoline quaternary ammonium salt, sodium isoascorbate assisting with high temperature resistant fluorocarbon imidazoline which has good corrosion inhibition effect with the corrosion inhibition rate is above 80%. The conclusion is HZ-9 can resolve CO2/O2 corrosion in high temperature oil well during fire flood.
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