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Annular electrical connectors for drill string

  • US 4,591,226 A
  • Filed: 01/31/1983
  • Issued: 05/27/1986
  • Est. Priority Date: 01/31/1983
  • Status: Expired due to Fees
First Claim
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1. Electrical communication apparatus suitable for use in a section of well conduit, comprising:

  • a generally annular male electrical coupler assembly comprising a first base structure for rigid connection to a first end of said section of said well conduit and first annular electrical contact means carried by said first base structure;

    first mounting means associated with said male coupler assembly for releasably mounting said first base structure of said male coupler assembly generally coaxially in said first end of said section of said well conduit;

    a generally annualar female electrical coupler assembly comprising a second base structure for rigid connection to a second end of said section of said well conduit and second annular electrical contact means carried by said second base structure;

    second mounting means associated with said female coupler assembly for releasably mounting said base structure of said female coupler assembly generally coaxially in said second end of said section of said well conduit;

    the contact means of at least one of said coupler assemblies being mounted for limited lateral and circumferential play with respect to its base structure; and

    electrical transfer means interconnecting said male and female coupler assemblies, said transfer means comprising an electrical cable electrically connected to each of said coupler assemblies for conducting electric current therebetween.

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