Borescope drill pipe and light guide sleeve

Details Borescope drill pipe and light guide sleeve Borescope drill pipe and light guide sleeve

G - Physics

02

B

G02B 23/24 (2006.01) E21B 47/002 (2012.01) G01B 11/00 (2006.01) G01N 21/88 (2006.01) G02B 23/26 (2006.01)

Patent

CA 2115306

A borescope for inspecting the inside of bores such as drill pipe bores includes an elongate shaft to extend into the pipe. The shaft has an optical eye including an emitter to emit a light beam towards an inside surface of the bore and a receptor to receive light therefrom. The shaft may be rotated eccentrically about the bore axis so that the distance of the optical eye from a sector of the interior surface to be inspected is always less than the radius of the bore.

Endoscope servant à l'inspection de l'intérieur des tubes comme les tubes des trains de sonde. Il comprend un axe allongé à déployer dans le tube. L'axe comporte une sonde optique possédant un émetteur projetant un faisceau lumineux vers une surface intérieure du tube et un récepteur captant la lumière qui en revient. L'axe peut être tourné de manière excentrique par rapport à l'axe du tube pour que la distance entre la sonde optique et un secteur de l'intérieur de la surface à inspecter soit toujours inférieure au rayon du tube.

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