• DocumentCode
    999309
  • Title

    Electromagnetic basis of drill-rod telemetry

  • Author

    Hill, Douglas A. ; Wait, J.R.

  • Author_Institution
    US Department of Commerce, ITS/NTIA and ERL/NOAA, Boulder, USA
  • Volume
    14
  • Issue
    17
  • fYear
    1978
  • Firstpage
    532
  • Lastpage
    533
  • Abstract
    Some calculated results are presented for the signal that can be propagated to the surface from a toroidal coil source near the bottom of a drill rod. Optimum frequencies are predicted to occur in the range 10¿100 Hz for depths of the order of several kilometres.
  • Keywords
    electromagnetic induction; geophysical prospecting; telemetering; drill rod telemetry; geophysical prospecting; optimum frequency range 10 to 100 Hz; toroidal coil source;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19780361
  • Filename
    4249523