三相分离器内壁主要采用牺牲阳极法进行保护,在多次的现场开罐中发现,这一传统方法无法对罐体内壁实施有效的保护.本文介绍了中海油涠洲终端处理厂采用外加电流阴极保护技术对罐体实施保护的情况,并且对油田介质中参数的确定及施工中的有关问题进行了分析讨论.

The results of on-site opening tests showed that the traditional method of sacrificial anode cathodic protection could not protect the internal wall of three-phase separator effectively.This paper introduces the technology of impressed current cathodic protection applied to tank protecton in CNOOC Weizhou terminal treatment plant.The parameter determination methods in oil field media and problems in construction are also discussed.