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Electro-optic cablehead and methods for oilwell applications

  • US 7,699,114 B2
  • Filed: 08/30/2006
  • Issued: 04/20/2010
  • Est. Priority Date: 08/30/2006
  • Status: Expired due to Fees
First Claim
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1. An oil and gas well assembly comprising:

  • a wireline cable comprising at least one optical fiber;

    a downhole tool comprising at least one optical fiber; and

    a cablehead comprising a first end connected to the wireline cable, a second end connected to the downhole tool, and at least one optical fiber extending therethrough which transmits data between the at least one downhole tool optical fiber and the at least one wireline cable optical fiber; and

    a lower bulkhead assembly which seals off pressure therepast, and wherein the at least one cablehead optical fiber is precisely aligned with the at least one downhole tool optical fiber past the lower bulkhead assembly to allow communication therebetween.

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