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转盘钻井
释义
转盘钻井
Encyclopedia
工学
钻井方法
释
rotary drilling
转盘钻井
在钻台的井口处装有转盘,转盘中心旋转部分有方孔,钻柱最上端的方钻杆穿过该方孔,转盘的转动可以驱动方钻杆转动,带动其下端连接的钻柱转动,从而驱动钻头转动破岩,或从事其他需要井下工具旋转的钻井方法。
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