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油气管道输送高压易燃易爆的危险介质,如果发生泄漏,将会导致人员伤亡、环境污染、人民财产和生产生活遭受损失等恶劣影响~([1])。从储气库注采井的井口到集输站的油气集输管道输送介质往往含有油、气、水多相介质,还含有溶解氧、二氧化碳、硫化氢等腐蚀性气体,在管道下游的集注站,生产工况变化和输送的复杂流体使得集输站内脱硫装置上游设备设施的内腐蚀不容乐观。尽管国内外因管道腐蚀导致生产事故的原因在各国所占比例不同,但主要原因基
In case of leakage, oil and gas pipelines will transport hazardous substances that are inflammable and explosive under high pressure and will lead to adverse effects such as casualties, environmental pollution, loss of people’s property and production and life ([1]). From the wellhead of gas injection and production well of gas storage to the oil and gas gathering and transport pipeline of gathering station, the transportation medium often contains oil, gas and water multi-phase medium, and also contains corrosive gases such as dissolved oxygen, carbon dioxide and hydrogen sulfide. Stations, changes in production conditions and the delivery of complex fluids make the internal corrosion of equipment and facilities upstream of the desulfurization plant in the gathering station not optimistic. Although the causes of production accidents at home and abroad due to pipeline corrosion are of different proportions in different countries, the main reason