Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented.

给出了确定井下液力推进器以下钻具临界长度的两种方法。

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Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented.

给出了确定井下液力推进器以下钻具临界长度的两种方法。

youdao