Bibliographic Citation

 
7,362,235
Impedance-matched drilling telemetry system
View USPTO link (Link will open in a new window)
04/22/2008
US patent application 10/438,999
Normann, Randy A. (Edgewood, NM); Mansure, Arthur J. (Albuquerque, NM)
Sandia National Laboratories (SNL-NM), Albuquerque, NM
United States Department of Energy
AC04-94AL85000
Sandria Corporation (Albuquerque, NM)
A downhole telemetry system that uses inductance or capacitance as a mode through which signal is communicated across joints between assembled lengths of pipe wherein efficiency of signal propagation through a drill string, for example, over multiple successive pipe segments is enhanced through matching impedances associated with the various telemetry system components.

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