在海底油气管道维修过程中，针对海底作业工况和油气管道的特殊结构采用水下金刚石绳锯机完成管道切割作业。

The job of maintenance adopts the underwater diamond wire saw for cutting the oil - gas pipelines aiming at the characteristic of the benthal condition and the structure of the pipelines.

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为确保油气管道的安全运行，有必要对新建管道和在役老龄管道系统进行长期检测和维修优化，使得在检测及维修费用与可靠性之间达到最佳。

In order to ensure oil and gas pipeline safety operation, it is necessary for the building pipeline and existing aging one to make inspection & maintenance costs and reliability optimization.

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