G - Physics – 01 – B
Patent
G - Physics
01
B
349/41
G01B 17/02 (2006.01) E21B 47/08 (2006.01) G01V 1/50 (2006.01)
Patent
CA 2005553
METHOD FOR ACOUSTICALLY MEASURING WALL THICKNESS OF TUBULAR GOODS Abstract of the Disclosure A method for acoustically measuring wall thickness of tubular goods utilizes an acoustical transducer with a large bandwidth and high resonant frequency to measure the thickness of thin walls. The transducer is exposed directly to fluids in the tubular goods and is rotatable 360 degrees to scan the entire circumference of the tubular goods. The transducer is excited and generates an acoustic waveform from the wall under investigation. The acoustic return has a reverberation portion which results from the reverberation of the generated acoustic waveform in the wall. The harmonic frequency content of the reverberation portion is determined and the frequency difference between two adjacent harmonics is determined, from which the wall thickness is determined.
Katahara Keith W.
Siegfried Robert W. (ii)
Atlantic Richfield Company
Katahara Keith W.
Osler Hoskin & Harcourt Llp
Siegfried Robert W. (ii)
LandOfFree
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