油套管CO2 腐蚀和防护研究进展

杨涛, 许磊, 王建春, 张明程, 姚彦博, 高国刚, 许文忠, 历长云

Research Progress on CO2 Corrosion and Protective Countermeasures for Oil Casing

YANG Tao, XU Lei, WANG Jianchun, ZHANG Mingcheng, YAO Yanbo, GAO Guogang, XU Wenzhong, LI Changyun

图3 20钢在不同pH环境下的腐蚀产物形貌[27]

Fig.3 Morphologies of corrosion products of 20 steel with pH values of 3 (a), 5 (b) and 7 (c)[27]