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Downhole data transmission system

United States Patent

June 20, 2006
View the Complete Patent at the US Patent & Trademark Office
A system for transmitting data through a string of downhole components. In one aspect, the system includes first and second magnetically conductive, electrically insulating elements at both ends of the component. Each element includes a first U-shaped trough with a bottom, first and second sides and an opening between the two sides. Electrically conducting coils are located in each trough. An electrical conductor connects the coils in each component. In operation, a varying current applied to a first coil in one component generates a varying magnetic field in the first magnetically conductive, electrically insulating element, which varying magnetic field is conducted to and thereby produces a varying magnetic field in the second magnetically conductive, electrically insulating element of a connected component, which magnetic field thereby generates a varying electrical current in the second coil in the connected component.
Hall; David R. (Provo, UT), Hall, Jr.; H. Tracy (Provo, UT), Pixton; David S (Lehi, UT), Dahlgren; Scott (Provo, UT), Fox; Joe (Spanish Fork, UT)
IntelliServ, Inc. (Provo, UT)
10/ 604,812
August 19, 2003
FEDERAL RESEARCH STATEMENT This invention was made with government support under Contract No. DE-FC26-97FT343656 awarded by the U.S. Department of Energy. The government has certain rights in the invention.