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Fiber optic well logging cable

  • US 6,392,151 B1
  • Filed: 01/24/2000
  • Issued: 05/21/2002
  • Est. Priority Date: 01/23/1998
  • Status: Expired due to Fees
First Claim
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1. A cable comprising:

  • (a) an optical fiber;

    (b) an enclosure comprising a corrugated-wall tube having a plurality of maximum diameter portions surrounding said optical fiber, said corrugations enabling an actual length of the enclosure to be greater than an axial length of the optical fiber, said enclosure being pressure sealed to exclude fluids from entering said enclosure under a hydrostatic pressure;

    (c) a substantially toroidally shaped ring within each maximum diameter portion of corrugations in the wall of the tube; and

    (d) armor wires wound around said enclosure.

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