Method for inspection of metal tubular goods

Details Method for inspection of metal tubular goods Method for inspection of metal tubular goods

2008-07-22

2008-07-22

Williams, Hezron E. (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S599000, C073S620000, C073S625000

Reexamination Certificate

active

11849287

ABSTRACT:
A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in association with both the longitudinal and circumferential position at which each measurement was obtained. Accordingly each measurement of wall thickness represents a small portion of the wall thickness of said tubular in three dimensional space. A plurality of said measurements may thereby be displayed by computer means in virtual three dimensional format. Differing wall thickness readings made be represented by different shading or color display, so that anomalies of interest may be readily detected. Alternatively the recorded information may be readily processed by computer means to calculate the effect of stressors on the wall of said tubular good.

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