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采用一种实用的评价油管腐蚀状况的挂片装置，通过扫描电镜和Ｘ射线衍射仪对腐蚀产物分析，结合仿真模拟试验，研究了ＬＮ２－３井油管的腐蚀现状．结果表明，ＬＮ２－３井油管的腐蚀属于中度腐蚀
Using a practical coupon device for evaluating the corrosion status of tubing, the corrosion products of LN2-3 tubing were studied by analyzing the corrosion products by scanning electron microscopy and X-ray diffraction, and simulating the simulation test. The results show that the corrosion of LN2-3 well is mild corrosion