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System, method and apparatus for the ultrasonic inspection of liquid filled tubulars and vessels

  • US 5,619,423 A
  • Filed: 01/21/1994
  • Issued: 04/08/1997
  • Est. Priority Date: 01/21/1994
  • Status: Expired due to Fees
First Claim
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1. A portable Electromagnetic Acoustic Transducer (EMAT) system for linear externally inspecting non-rotating ferrous tubulars and tanks for flaws and thinning, comprising:

  • a) a power supply;

    b) a computer chassis electrically connected to said power supply;

    c) a CRT and keypad electrically connected to said computer;

    d) a control chassis electrically connected to said computer chassis;

    e) at least one couplantless, self-propelled Electromagnetic Acoustic Transducer (EMAT) probe, having integral juxtaposed, convoluted transmitter and receiving coils, umbilically connected to said control chassis; and

    f) a software program, having predetermined parameters for comparison with data being received from said EMAT probe and thereby determining flaws and thinning while scanning a tubular or tank.

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