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定向钻 in a sentence

  1. Design to hydraulic system for micro directional drilling machine
    微型定向钻液压系统的设计
  2. Application of matlab to directional drilling crossing engineering
    定向钻穿越优化设计中的应用
  3. The effect of horizontal directional drilling in soft soil on the near environment during installing pipes
    软土地区水平定向钻施工对周围环境的影响
  4. With concrete measures adopted , the pipeline crossing with directional drilling technique in rocky stratum of middle reaches of yangtse river succeeded for the first time
    通过具体实施,在长江中游岩石层中首次采用水平定向钻技术穿越原油管道获得成功。
  5. In combination with a project schedule management case of pipe horizontal direction drill project , the author analyzes its network program with monte carlo simulation technique , and then comes to the conclusion that the stochastic network program can give more substantial schedule information to the project manager than ordinary network program
    结合管道水平定向钻穿越工程进度管理实例,在其网络计划中应用蒙特卡洛仿真技术进行分析,以概率形式确定关键工作和施工工期,为项目经理进行进度管理提供更多更充实信息。
  6. 定向钻造句挺难的,這是一个万能造句的方法
  7. Associated with a practical example of pipeline crossing with directional drilling technique in yizheng - changling crude oil pipeline , this paper analyzes the characteristics of crossing through rocky stratum with directional drilling , deliberates the stratum status , drilling machine selection , drilling tool assembly , direction control , mud control ; drilling process as well as emergency dealing scenarios at the stages of guiding - hole drilling , aperture expanding and back - towing
    摘要结合仪征长岭原油管道洪湖长江定向钻穿越工程实例,分析了管道定向钻穿越长距离岩石层的特点,论述了定向钻穿越岩石层的地层状况、钻具组合、控向措施、泥浆控制、钻进工艺以及导向孔钻进、扩孔、回拖阶段的应急预案,针对在钻导向孔过程中因泥浆压力高、信号线多次出现被高压泥浆冲坏、造成控向信号不稳定甚至中断的情况,对信号线的安装提出了改进措施。
  8. In order to generally analyze the performance of the horizontal directional drill ( hdd ) , several subsystem models , e . g . mechanical subsystem model , hydraulic subsystem model , strength model and control subsystem model are built and integrated into a whole virtual hdd model through parameter associations
    摘要为了全面分析水平定向钻的性能,针对不同领域,分别建立了机械、液压、强度和控制等子系统模型,通过参数关联形成了一个完整一致的水平定向钻整机虚拟样机模型。

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