The drilling bar is clamped by a holder, supported by a guiding unit, and the feeding motion is realized by the saddle of the lathe.
钻杆由钻杆夹头夹持，由钻杆导向装置支撑引导，由车床大拖板带动实现进给运动。
It is of significance for guiding exploration and development and drilling engineering of the oilfield to conduct the study on abnormal formation pressure.
异常地层压力的研究对指导油田的勘探、开发和钻井工程都具有极其重要的意义。
The study results have the guiding significance in improving the safety of offshore drilling operations further, utilizing the existing equipment rationally and reducing the operation cost.
这些研究成果对于进一步提高海上钻井作业的安全性以及合理使用现有设备和降低成本均具有一定的指导意义。
The article introduces the principles and peculiarities of some guiding techniques in horizon directional drilling project with comparison of their applicability.
文章介绍了水平定向钻施工中各种导向技术的基本原理和各自的特点，并对其适用性进行了比较。
The article introduces the principles and peculiarities of some guiding techniques in horizon directional drilling project with comparison of their applicability.
文章介绍了水平定向钻施工中各种导向技术的基本原理和各自的特点，并对其适用性进行了比较。
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