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
Link To Document