Method for making a sealed tubular joint with plastic expansion

Details Method for making a sealed tubular joint with plastic expansion Method for making a sealed tubular joint with plastic expansion

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/06 (2006.01)

Patent

CA 2470449

The invention concerns a tubular joint wherein the radial expansion caused by the passage of an expander, inclined shoulder fittings (41, 43) formed respectively on a peripheral surface (8) of the female element (2) facing radially inwards and on a peripheral surface (7) of the male element (1) facing radially outwards are subjected to a relative axial displacement towards each other to be urged into sealed mutual contact with radial interference. The invention is useful in hydrocarbon wells.

Lors de l'expansion radiale provoquée par le passage d'un boulet à l'intérieur du joint tubulaire, des épaulements inclinés (41, 43) formés respectivement sur une surface périphérique (8) de l'élément femelle (2) tournée radialement vers l'intérieur et sur une surface périphérique (7) de l'élément mâle (1) tournée radialement vers l'extérieur subissent un déplacement axial relatif l'un vers l'autre pour venir en contact mutuel étanche avec interférence radiale.

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