The safety problems of ultra-deep drilling rig will result in very serious personal and property losses.
一旦超深井钻机出现安全问题，造成的人身和财产损失非常严重。
The matching technology research of ultra-deep drilling rig is very important to improve the efficiency of oil and gas development and the overall economy of rig.
超深井钻机配套技术的研究对提高油气田开发的效率，提高钻机的总体经济性等方面都具有极为重大的意义。
The safety assessment of ultra-deep drilling rig has important significance for effectively preventing and reduction accidents and reducing casualties and property damage.
超深井钻机的安全评估对有效的预防和减少事故的发生，减少财产损失和人员伤亡等方面有重要的意义。
After analyzing new and old standards of rigs and detailed parameters, it is proved that improvement on rig drilling ability with middle or deep depth is feasible;
通过对钻机新、旧标准，以及具体参数的分析；证实了提高中深井钻机钻深能力是可行的。
The technology of finishing float resisting anchor rod construction in deep sand layer with geological drilling rig slurry retaining wall technology is analyzed briefly.
现简要分析利用地质钻机泥浆护壁成孔工艺完成深厚砂层中抗浮锚杆的施工工艺。
The technology of finishing float resisting anchor rod construction in deep sand layer with geological drilling rig slurry retaining wall technology is analyzed briefly.
现简要分析利用地质钻机泥浆护壁成孔工艺完成深厚砂层中抗浮锚杆的施工工艺。
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