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油田后期开采时用的抽油机，其中异径实心抽油杆的使用量很大，在数千米的井内长期运行，极易疲劳断裂。抽油杆自动检测探伤，已成为各油田多年未解决的问题。新疆石油局采油二厂和成都无损检测系统工程公司经过两年的努力，研制了一套全自动的ＵＴＧ—５型批量检测装置。可对
In the latter part of the oilfield, the pumping unit used in the later stage of oilfield production is composed of a large number of different diameters of solid sucker rod used for long-term operation in a well of several kilometers and being extremely prone to fatigue fracture. Sucker rod automatic testing flaw detection, oil fields has become unresolved for many years. After two years of hard work, Xinjiang Oil Production Bureau No.2 Plant and Chengdu Nondestructive Testing System Engineering Company have developed a fully automatic UTG-5 type batch inspection device. Yes