Valve with secondary load bearing surface

Details Valve with secondary load bearing surface Valve with secondary load bearing surface

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 34/10 (2006.01) F16K 1/20 (2006.01) E21B 34/00 (2006.01)

Patent

CA 2373969

A valve (120) for controlling fluid flow therethrough in downhole applications is disclosed. The valve (120) com- prises a valve housing having a valve closure mechanism (122) and a valve seat (124) disposed therein. The valve closure mechanism (122) has sealing surface (128) and a secondary load bearing surface (142). The valve seat (124) has a valve seat sealing surface (126) that mates with the sealing surface (128) of the valve closure mechanism (122). The secondary load bearing surface (142) of the valve closure mechanism (122) mates with a valve secondary load bearing surface (134) which may be supported by the valve seat (124).

L'invention concerne une soupape (120) destinée à réguler le débit d'un fluide dans des applications de fond. La soupape (120) comporte une enveloppe dotée d'un mécanisme de fermeture (122) et un siège de soupape (124) situé à l'intérieur. Le mécanisme de fermeture (122) comporte une surface d'étanchéité (128) et une surface portante secondaire (142). Le siège de soupape (124) comporte une surface d'étanchéité (126) qui se couple à la surface d'étanchéité (128) du mécanisme de fermeture (122). La surface portante secondaire (142) du mécanisme de fermeture (122) se couple à une surface portante secondaire (134) de la soupape, qui peut être maintenue par le siège de soupape (124).

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