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Downhole detection

  • US 9,677,397 B2
  • Filed: 03/13/2013
  • Issued: 06/13/2017
  • Est. Priority Date: 02/28/2013
  • Status: Active Grant
First Claim
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1. A system for use in downhole detection comprising:

  • a downhole arrangement defining a throughbore;

    a tool deployable through the throughbore of the downhole arrangement;

    a primary electromagnetic element provided on the deployable tool; and

    a secondary electromagnetic element provided on the downhole arrangement,wherein the primary and secondary electromagnetic elements are configurable for electromagnetic coupling therebetween,wherein the downhole arrangement is configurable between a first configuration in which the secondary electromagnetic element is covered so as to prevent electromagnetic coupling between the primary and secondary electromagnetic elements and a second configuration in which the secondary electromagnetic element is accessible for electromagnetic coupling with the primary electromagnetic element.

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