| 摘要 |
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. |
