目前我国大部分油田已进入开发中后期，80 %以上的油井依靠机械抽油生产。

At present, many oil fields in China have come into the middle or late period of exploitation, and over 80% of oil Wells are producing on artificial lift.

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油田的修井作业机是维护和保证采油生产不可缺少的施工机械，其主要用途是修井提升或下放油管、抽油杆等。

The workover rig is a necessary device to maintain and ensure mining technics in the oil field, and its main application is to elevate or drop oil pipes and pumps.

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