E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01)
Patent
CA 2322631
A friction reducing fitting for downhole applications. The fitting has a body portion (3) for securement about a tubular member, the body portion having a pair of apertures (5, 6). A roller (1) is provided, and an axle (4, 11) passing through said roller and said apertures in the body at either end of said roller. The axle is deformed at at least one end to prevent movement of the end of the axle through the aperture in the body.
L'invention concerne un raccord réduisant les frottements destiné à des applications de fond de puits. Le raccord comporte une partie corps (3) destiné à être fixée autour d'un élément tubulaire, la partie corps présentant deux ouvertures (5, 6). L'invention porte également sur un galet (1), et sur un axe (4, 11) traversant ledit galet et les ouvertures ménagées dans le corps au niveau d'une extrémité quelconque du galet. L'axe est déformé au niveau d'au moins une de ses extrémités de manière à empêcher le mouvement de l'extrémité de l'axe dans l'ouverture ménagée dans le corps.
Fernandes Denis Robert
Murray Geoffrey Neil
Radich Peter James
Austoil Technology Limited
Marks & Clerk
Weatherford/lamb Inc.
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