G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 3/40 (2006.01) G01B 3/48 (2006.01)
Patent
CA 2741258
The invention concerns a method and a gauge for inspecting a self-locking threading provided close to one end of a tubular component used for the exploration or operation of hydrocarbon wells, said threading having a lead with a constant width and thread root widths which increase in the direction of the distal surface of the tubular component, characterized in that the gauge is suitable to be displaced in the self-locking threading to a locking position, said locking position then being marked and compared with a reference locking position.
La présente invention a pour objet un procédé et une jauge pour linspection dun filetage autobloquant à proximité dune extrémité dun composant tubulaire utilisé pour lexploration ou le fonctionnement de puits dhydrocarbures, ledit filetage ayant un pas hélicoïdal dune largeur constante et des largeurs de fond de filet qui augmentent dans la direction de la surface distale du composant tubulaire. Linvention est caractérisée en ce que la jauge est adaptée pour être déplacée dans le filetage autobloquant jusquà une position de verrouillage, ladite position de verrouillage étant alors marquée et comparée à une position de verrouillage de référence.
Bakalemian Pierre-Yves
Besse Jean-Guillaume
Coulon Jean-Luc
Martin Pierre
Moreau Regis
Goudreau Gage Dubuc
Sumitomo Metal Industries Ltd.
Vallourec Mannesmann Oil & Gas France
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