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.

youdao

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.

youdao

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.

youdao