• The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.

    介绍一种射流PDC刀具的配合方式,即射流位于刀具底部适当位置辅助刀具切割破碎岩石

    youdao

  • Structural character, working principle and main technical specification of WJ-1 new type through annulus logging tool used to measure production water cut has been introduced in this paper.

    文中介绍了WJ 1新型剖面测井仪结构特点工作原理以及主要技术指标

    youdao

  • Structural character, working principle and main technical specification of WJ-1 new type through annulus logging tool used to measure production water cut has been introduced in this paper.

    文中介绍了WJ 1新型剖面测井仪结构特点工作原理以及主要技术指标

    youdao

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