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    加重钻杆

    在钻进过程中加重钻杆是从柔性钻杆到刚性钻铤的过渡,在水平井、大位移井常常代替钻铤以减少摩阻。币游旗舰厅钻具致力于加重钻杆的质量和技术进步,不断开发满足特殊环境和钻井工况的加重钻杆。

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