E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/08 (2006.01) E21B 7/06 (2006.01) E21B 23/00 (2006.01)
Patent
CA 2246425
An orientation device suitable for drilling tools or well equipment. The orientation device comprises a first sleeve and a second sleeve. The second sleeve concentrically surrounds the first sleeve and an annulus between the first and second sleeves is disposed an axially displaceable carrier, e.g. a wedge/key or a rail, which is adapted to slide in an inclined, e.g. helical, groove in the first sleeve or in the second sleeve. The direction of the groove crosses the direction of the rectilinear movement of the displaceable carrier and is converted into a relative rotational movement between the first and second sleeves. The displaceable carrier is adapted to slide in the inclined groove, e.g, helical, disposed in the first sleeve and the inclined groove, e.g, helical groove, in the second sleeve and cross the direction of the rectilinear movement.
Un dispositif d'orientation destiné en particulier aux outils de forage, selon un modèle qui comprend un premier manchon (1) et un deuxième manchon (2) entourant le premier de manière concentrique, et muni, dans un espace annulaire entre le manchon (1) et le manchon (2), d'un support pouvant se déplacer dans le sens axial, par exemple sous forme de clavette (5) ou de rail (8, 9), et coulisser dans une rainure (3, 4) inclinée préférablement hélicoïdale située sur le manchon (1) ou sur le manchon (2), la direction de la rainure croisant la direction du mouvement rectiligne du support (5; 8, 9) et transformant ledit mouvement rectiligne en un mouvement rotatif du manchon (1) et du manchon (2) l'un par rapport à l'autre. Le support (5; 8, 9) est conçu pour coulisser le long de deux rainures (3, 4) inclinées préférablement hélicoïdales situées, respectivement, sur le manchon (1) et sur le manchon (2) et croisant, du côté opposé, la direction du mouvement rectiligne du support (5; 8, 9).
Bakke Oil Tools A/s
Bakke Technology As
Ridout & Maybee Llp
LandOfFree
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