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Method For Guiding A Downhole Tool Assembly Using An Above-Ground Receiver System

  • US 20130293233A1
  • Filed: 07/08/2013
  • Published: 11/07/2013
  • Est. Priority Date: 09/28/2007
  • Status: Active Grant
First Claim
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1. A receiver system for identifying a location of a magnetic field source, the receiver comprising:

  • a first triaxial antenna to detect a dipole magnetic field from the magnetic field source in three dimensions;

    a second triaxial antenna to detect the dipole magnetic field from the magnetic field source in three dimensions simultaneously with the first triaxial antenna; and

    a processor to receive an antenna signal from each of the first triaxial antenna and the second triaxial antenna and to determine the location of the magnetic field source using the antenna signals;

    wherein the first triaxial antenna and the second triaxial antenna are laterally displaced from each other a distance.

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