A method and apparatus for inspecting a tubular

Details A method and apparatus for inspecting a tubular A method and apparatus for inspecting a tubular

G - Physics

01

N

G01N 27/90 (2006.01) G01B 7/00 (2006.01)

Patent

CA 2520559

A non-contact method of inspecting a tubular for defects, which method comprises the steps of: (1) taking a measurement representative of a distance between a non-contact measuring means and a surface of part of a tubular; (2) generating an output electrical signal representative of said measurement; and (3) repeating step (1) at different parts of the tubular, variations in the distance measurements being representative of a change in shape of said surface, whereby the location of defects is facilitated.

L'invention concerne un procédé d'inspection sans contact d'élément tubulaire pour y rechercher des défauts. Ce procédé comporte les étapes consistant à : (1) prendre une mesure indiquant la distance entre des moyens de mesure sans contact et une surface d'une partie de l'élément tubulaire ; (2) produire un signal électrique de sortie représentant cette mesure ; et (3) répéter l'étape (1) sur différentes parties de l'élément tubulaire, des variations dans les mesures de distance indiquant un changement de forme de ladite surface, ce qui facilite le repérage de défauts.

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