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Impedance-matched drilling telemetry system

United States Patent

April 22, 2008
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
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.
Normann; Randy A. (Edgewood, NM), Mansure; Arthur J. (Albuquerque, NM)
Sandria Corporation (Albuquerque, NM)
10/ 438,999
May 15, 2003
This invention was made with support from the United States Government under Contract DE-AC04-96AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in this invention.