• The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area, a stuff problem of this kind.

    采用牙轮钻机、利用台阶崩落成功地处理复合采空区,解决了复合采空区处理难问题,使技术人员在熟练浅采、深采空区处理的情况下,又探索出复合采空区的处理方法。

    youdao

  • Analysis of the side-wall pattern shows that the side-cutting process of the roller bit is related to not only the teeth surface design but also the rock property and the drilling parameters.

    井壁模式分析说明牙轮钻头侧向切削过程不仅齿结构有关而且岩石性质钻井参数有关。

    youdao

  • The rock-breaking mechanism of roller bit teeth is always a hot focus and difficulty in the fields of drilling, and it receives widely researchers attentions in the rock mechanics and the engineering.

    牙轮钻头牙齿破岩机理研究一直钻井工程一个热点难点备受岩石力学工程界关注和重视。

    youdao

  • Analysis of the side-wall pattern shows that the side-cutting process of the roller bit is related to not only the teeth surface design but also the rock property and the...

    井壁模式分析说明牙轮钻头侧向切削过程不仅齿结构有关而且岩石性质、钻井参数有关。

    youdao

  • On the system dynamics, the dynamics model for roller cone bit under the interaction of drilling string and rock was established.

    系统动力学角度出发,建立了基于钻岩石相互作用牙轮钻头动力学模型

    youdao

  • On the basis of many experiments, the mechanics model for the interaction of roller cone bit and rock was established.

    大量单元实验基础上建立了牙轮钻头岩石相互作用力学模型

    youdao

  • The dynamics of roller cone bit under the interaction of drilling string, bit and rock during the drilling process was investigated.

    研究钻井过程钻头岩石相互作用牙轮钻头动力学特性

    youdao

  • The dynamics of roller cone bit under the interaction of drilling string, bit and rock during the drilling process was investigated.

    研究钻井过程钻头岩石相互作用牙轮钻头动力学特性

    youdao

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