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腐蚀监测是在生产正常运行中，对设备的腐蚀或破坏进行系统测试，以延长设备寿命，使生产设备能更有效地运行的一门技术。其方法包括失重挂片法、电阻法、氢监测、线性极化电阻法、化学分析等。１９９５年四川石油管理局从加拿大引进了一套在线腐蚀监测系统，１９９６年３月在磨溪气田四号集气站的Ｍ—１３３井建立了一座在线腐蚀监测实验站，１０月又在川西北矿区低温站和中—４０井建立了一座在线腐蚀监测实验站；对ＣＴ２—４、ＣＺ３—１和ＣＺ３—３缓蚀剂的缓蚀效果作了在线监测评价，对腐蚀监测在现场的应用取得了一定的经验，并提出了四川含硫气田腐蚀监测的发展趋势。
Corrosion monitoring is a technique that systematically tests equipment for corrosion or damage during normal production to extend equipment life and allow production equipment to operate more efficiently. The methods include weight loss coupon method, resistance method, hydrogen monitoring, linear polarization resistance method, chemical analysis and the like. In 1995, Sichuan Petroleum Administration introduced an online corrosion monitoring system from Canada. In March 1996, an on-line corrosion monitoring experimental station was set up in M-133 well of No.4 gas gathering station in Moxi Gas Field. In October, An on-line corrosion monitoring experimental station has been set up in the low temperature station and the middle-40 wells of the mine area; the on-line monitoring and evaluation of the corrosion inhibition effects of CT2-4, CZ3-1 and CZ3-3 corrosion inhibitors has been made, and the application of corrosion monitoring in the field has been obtained A certain amount of experience, and put forward the development trend of corrosion monitoring of sulfur-containing gas field in Sichuan.