| 摘要 |
A method for transmitting data relating to well drilling conditions from the well bottom to the surface, wherein drilling mud pressure is continuously measured as it enters the well, a sensor measures at least one well bottom operating condition, coded pulses representing said measurement are transmitted through the drilling mud, and the pulses in the drilling mud are detected by pressure measurement as it enters the well. The method includes the additional step of simultaneously detecting vibrations generated in the drill-pipe string by the pulses in the drilling mud. |
