| 摘要 |
<p>The invention aims at providing fast and exact information from the drilling site during deep drillings. To this aim, a measuring device (6) having an electrically operated measuring unit is used to measure relevant data of the rock, the drilling fluid and/or the raw material to be extracted, wherein the measuring device (6) is configured to supply electric energy by means of the drill stems (3) and to transfer data to the surface equally by means of the drill stems (3).</p> |
