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Inductive coupler for downhole components and method for making same

United States Patent

October 3, 2006
View the Complete Patent at the US Patent & Trademark Office
An inductive coupler for downhole components. The inductive coupler includes an annular housing having a recess defined by a bottom portion and two opposing side wall portions. At least one side wall portion includes a lip extending toward but not reaching the other side wall portion. A plurality of generally U-shaped MCEI segments, preferably comprised of ferrite, are disposed in the recess and aligned so as to form a circular trough. The coupler further includes a conductor disposed within the circular trough and a polymer filling spaces between the segments, the annular housing and the conductor.
Hall; David R. (Provo, UT), Hall, Jr.; H. Tracy (Provo, UT), Pixton; David S. (Lehi, UT), Dahlgren; Scott (Provo, UT), Sneddon; Cameron (Lombard, IL), Fox; Joe (Spanish Fork, UT), Briscoe; Michael A. (Lehi, UT)
IntelliServ, Inc. (Provo, UT)
11/ 276,983
March 20, 2006
STATEMENT OF GOVERNMENT INTEREST This invention was made with government support under Contract No. DE-FC26-01NT41229 awarded by the U.S. Department of Energy. The government has certain rights in the invention.