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Acoustic emission inspection of coiled tubing

  • US 7,458,267 B2
  • Filed: 11/17/2004
  • Issued: 12/02/2008
  • Est. Priority Date: 11/17/2004
  • Status: Expired due to Fees
First Claim
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1. A method of testing tubing plastically deformed by a tubing handling system, comprising:

  • providing tubing for use in wells;

    plastically deforming the tubing by the tubing handling system;

    sensing with at least one sensor acoustic emission signals emitted by the tubing while plastically deforming; and

    processing the sensed acoustic emission signals.

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