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油气田地面管网和设备装置中接触的流体介质范围广泛,流体介质通常含有H2O、H2S、CO2、高Cl-等腐蚀性介质组份,形成不同的腐蚀体系。大部分油气田地面管道设备选择碳钢材质,碳钢材质在这些腐蚀条件下存在腐蚀风险,在运行期间需要对碳钢的腐蚀情况进行监测和检测,以便即时调整运行期间的腐蚀控制方案,确保管道设备的完整性。腐蚀监测技术种类繁多,不同的腐蚀监测技术其原理各异,各具优缺点。介绍了常见的腐蚀监测技术的作用原理、优点以及使用的局限性,以期为工程设计和管理人员在进行腐蚀监测设计和腐蚀综合管理过程中提供参考。
Oil and gas fields in the pipe network and equipment in contact with a wide range of fluid medium, the fluid medium usually contains H2O, H2S, CO2, Cl- and other corrosive media components, forming a different corrosion system. Most of the oil and gas field pipeline equipment is made of carbon steel. Carbon steel is subject to corrosion risk under these corrosion conditions. During operation, it is necessary to monitor and test the corrosion of carbon steel so as to adjust the corrosion control program during operation immediately and ensure that the pipeline Equipment integrity. A wide range of corrosion monitoring technology, different corrosion monitoring techniques vary in principle, each with advantages and disadvantages. This paper introduces the principle, advantages and limitations of common corrosion monitoring technologies in order to provide reference for engineering design and management personnel in the process of corrosion monitoring design and integrated corrosion management.