Referenced Items are not available for this document.
A reliable method of transmitting downhole information to the surface while drilling is essential to improve drilling applications. We have designed a numerical algorithm for simulation of electric-signal transmission through the drill string, based on the telegrapher equation (a circuit model). The drill string is then represented by a transmission line with varying geometrical and electromagnetic properties versus depth, depending on the characteristics of the drill string/formation system. These properties are implicitly modeled by the series impedance and the shunt admittance of the transmission line. The telegrapher equation is solved in the high-frequency range by using a direct method
Published in:
Geoscience and Remote Sensing, IEEE Transactions on
(Volume:40
,
Issue:
5
)
Date of Publication: May 2002
- Page(s):
- 1047 - 1053
- ISSN :
- 0196-2892
- INSPEC Accession Number:
- 7318216
- Digital Object Identifier :
- 10.1109/TGRS.2002.1010892
- Date of Current Version :
- 07 August 2002
- Issue Date :
- May 2002
- Sponsored by :
- IEEE Geoscience and Remote Sensing Society
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