We also provide service of oilfield workover.
同时，公司还提供油田修井作业服务。
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。
In workover operations, well control is the key to ensuring the normal operation.
在修井作业中，井控是确保作业正常进行的关键。
In workover operations, well control is the key to ensuring the normal operation.
在修井作业中，井控是确保作业正常进行的关键。
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