The fabrication of 30 inch conductor tubes for offshoredrillingoperation is described in this paper.
论述海洋石油勘探作业中使用的30寸隔水套管的试制过程。
2
The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshoredrillingoperation.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
3
The study results have the guiding significance in improving the safety of offshoredrilling operations further, utilizing the existing equipment rationally and reducing the operation cost.