drill stem

[dril stem]
  • 释义

  • 钻杆;

  • 双语例句
  • 1、

    The drill fluid in the drill stem increases the inertia of lateral vibration.

    钻柱内的钻井液增加了钻柱横向振动的惯性质量.

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  • 2、

    Calculating results show that fluctuation pressure decrease with eccentricity between drill stem and well bore increase.

    计算结果表明:随钻柱与井眼间偏心度增大,波动压力减小.全偏心情况下的波动压力大约只有同心情况下的一半.

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  • 3、

    The longer the single drill pipe , the lesser the critical compressive force of drill stem.

    钻杆的单根长度越长, 钻柱所能承受的临界载荷越小.

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  • 4、

    Pick up drill stem test tool.

    提起钻柱测试工具.

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