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    • 2. 发明申请
    • DRILLING DEVICE AND METHOD FOR USING THE SAME
    • 钻孔装置及其使用方法
    • WO2013162377A1
    • 2013-10-31
    • PCT/NO2013/050068
    • 2013-04-23
    • NORWEGIAN HARD ROCK DRILLING AS
    • HAUGHOM, Sigurd Kjell
    • E21B7/00E21B4/04E21B17/04E21B19/16
    • E21B4/04E21B7/046E21B7/068E21B17/20E21B19/22
    • A drilling device with a non-rotating drill string (8), is described, the device comprising : - a drill bit (2) connected to the distal end of the drill string (8); - a drilling machine (3) fixed to the drill string (8) and arranged to be able to rotate the drill bit (2); and - a back rig (28) arranged to be able to lead the drill string (8) into and out of a borehole (10), characterized in the device further comprising; - a water hose (23) arranged to be able to be run from outside and into the borehole (10) together with the drill string (8) along substantially the complete length of the drill string (8); and - a power- and signal-cable (24) arranged to be able to be run from the outside and into the borehole (10) together with the drill string (8). A method for use of a device in accordance with the invention is also described.
    • 描述了具有非旋转钻柱(8)的钻孔装置,该装置包括: - 连接到钻柱(8)的远端的钻头(2); - 固定到所述钻柱(8)并且布置成能够使所述钻头(2)旋转的钻孔机(3); 以及 - 布置成能够将钻柱(8)引入和离开钻孔(10)的后部钻机(28),其特征在于,所述装置还包括: - 水套管(23),其布置成能够沿着所述钻柱(8)的大致整个长度与所述钻柱(8)一起从外部延伸到所述钻孔(10)中。 以及 - 电力和信号电缆(24),其布置成能够与钻柱(8)一起从外部延伸到钻孔(10)。 还描述了根据本发明的装置的使用方法。