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针对陇东油田4种作业污水,研究了水质分析、静态腐蚀测试和现场仪器动态检测,同时分析了不同类型作业污水腐蚀的主要机理。结果显示压裂污水对金属的腐蚀最为严重,其次为采油污水,洗井污水和钻井污水的腐蚀性比较接近。
Aiming at the four kinds of operating effluents in Longdong Oilfield, the water quality analysis, static corrosion test and field instrument dynamic testing were studied. The main mechanism of different kinds of operating wastewater corroding was also analyzed. The results show that the most serious corrosion of the metal is caused by the fracturing sewage, followed by the oil recovery wastewater. The corrosiveness of flushing wastewater and drilling wastewater is relatively close.