Method and apparatus for characterizing defects in tubular members
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United States of America Patent
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Jan 12, 1988
Grant Date -
N/A
app pub date -
Dec 12, 1985
filing date -
Dec 12, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ultrasonic inspection device having an array of opposing transducers that longitudinally, transversely, and obliquely transmit sonic beams through tubular members having a range of diameters such that refracted beams meet on the inner surface of the members. Alternate halves of the array of transducers transmit and receive sonic beams reflected from defects in the tubular members using both the pulse-echo and pitch-catch methods.
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