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设计了一种安全、简单、可靠、实用的评价油管腐蚀状况的挂片装置。该装置在塔里木轮南油田进行了现场试验，获得了和实际腐蚀状况相吻合的评价油管腐蚀状况的数据。
A safe, simple, reliable and practical coupon device for evaluating the corrosion status of tubing was designed. The device was tested on-site in Lunnan Oil Field in Tarim Basin and data on the corrosion status of tubing were obtained in accordance with the actual corrosion status.