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Down hole transmission system

United States Patent

7,248,177
July 24, 2007
View the Complete Patent at the US Patent & Trademark Office
A transmission system in a downhole component comprises a data transmission element in both ends of the downhole component. Each data transmission element houses an electrically conducting coil in a MCEI circular trough. The electrically conducting coil comprises at least two generally fractional loops. In the preferred embodiment, the transmission elements are connected by an electrical conductor. Preferably, the electrical conductor is a coaxial cable. Preferably, the MCEI trough comprises ferrite. In the preferred embodiment, the fractional loops are connected by a connecting cable. In one aspect of the present invention, the connecting cable is a pair of twisted wires. In one embodiment the connecting cable is a shielded pair of twisted wires. In another aspect of the present invention, the connecting cable is a coaxial cable. The connecting cable may be disposed outside of the MCEI circular trough.
Hall; David R. (Provo, UT), Hall, Jr.; H. Tracy (Provo, UT)
IntelliServ, Inc. (Provo, UT)
10/ 878,146
20050285752
June 28, 2004
FEDERAL SPONSORSHIP This invention was made with government support under contract number No. DE-FC26-01NT41229 awarded by the Department of Energy. The government has certain rights in this invention.