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DISTRIBUTED FIBRE OPTIC DIAGNOSIS OF RISER INTEGRITY

  • US 20120179390A1
  • Filed: 09/23/2009
  • Published: 07/12/2012
  • Est. Priority Date: 09/24/2008
  • Status: Abandoned Application
First Claim
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1. A subsea riser integrity diagnosis system, comprising:

  • one or more optical fibres deployed along at least a portion of a riser;

    a fibre optic sensor interrogation apparatus optically coupled to the one or more optical fibres and operable to detect at least one of temperature, vibration, and strain; and

    a central processor means adapted to receive measurement data from the fibre optic sensor interrogation apparatus and operable to determine from the received data a status of at least one of temperature, vibration, and strain along at least a portion of the riser, and to determine if the status is within a predetermined safe limit or whether a potentially damaging event has occurred and to inform an operator of a possible action to be taken to safeguard riser integrity.

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