FIELD: wireless communication equipment.
SUBSTANCE: invention relates to means for transmitting signals from a well to a surface and can be used for signal transmission via an acoustic communication channel. In particular, there is provided a drill string comprising: a plurality of drill pipe sections; and a plurality of drill pipe connecting sections, each of which is configured to couple adjacent drill pipe sections from the plurality of drill pipe sections. In this case, the drill pipe sections and the joint sections of the drill pipes are matched to the acoustic impedance in the selected frequency band and are arranged in a non-periodic sequence of lengths in the drill string.
EFFECT: technical result is the reduction of the acoustic signal loss in the well.
21 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ACOUSTIC INSULATOR FOR IMPLEMENTATION INSIDE BOREHOLE | 2005 |
|
RU2362189C2 |
| ACOUSTIC TELEMETRY | 2007 |
|
RU2431040C2 |
| SYSTEM FOR DOUBLE-SIDED TELEMETRY OF DRILL STRING FOR MEASUREMENT AND CONTROL OF DRILLING | 2006 |
|
RU2413841C2 |
| METHOD AND DEVICE FOR CALCULATION OF INSTANTANEOUS ROTARY SPEED OF BOTTOMHOLE ASSEMBLY | 2012 |
|
RU2518699C1 |
| METHOD AND DEVICE TO CALCULATE INSTANTANEOUS SPEED OF DRILLING STRING ASSEMBLY BOTTOM ROTATION | 2009 |
|
RU2478782C2 |
| METHOD AND DEVICE TO REDUCE OSCILLATIONS OF STICKING-SLIPPING IN DRILLING STRING | 2008 |
|
RU2478781C2 |
| METHOD AND SYSTEM FOR TRANSFER OF DATA ON WELL SHAFT | 2009 |
|
RU2485311C2 |
| ON-LAND INSTALLATION AND METHOD OF COMMUNICATION APPLIED IN TELEMETERING ALONG DRILLING STRING | 2006 |
|
RU2401931C2 |
| METHOD AND DEVICE TO COMPRESS SEISMIC SIGNAL IN WELL | 2012 |
|
RU2570699C2 |
| CABLE SERVICE CHANNEL AND SYSTEM OF TELEMETRY FOR DRILLING STREAM, AND METHOD OF WELLS DRILLING (VERSIONS) | 2004 |
|
RU2384702C2 |
