Require of workover equipment is also higher and higher.
修井工艺的不断提高，修井工具使用要求也越来越高。
Workover technology continuously improve. Require of workover equipment is also higher and higher.
修井工艺的不断提高，修井工具使用要求也越来越高。
Wells in the Middle East, both onshore and offshore, often require workover because of the highly corrosive environment to which the downhole equipment is subjected.
不管是陆地还是海上，因井下设备处在强腐蚀环境下，往往需要经常修井。
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