Valve within a control line

Details Valve within a control line Valve within a control line

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 33/06 (2006.01) F16K 17/36 (2006.01) F16K 17/40 (2006.01)

Patent

CA 2629441

The invention is a valve that prevents blow-outs through a control line while simultaneously allowing bi-directional flow or pressure transfer through the control line. The invention comprises a shuttle valve disposed in the control line.

Cette invention traite d'un clapet qui empêche les éclatements à travers un conduit de commande, tout en permettant simultanément la circulation bidirectionnelle ou le transfert de pression à travers le conduit de commande. Cette invention comprend un sélecteur de circuit placé dans le conduit de commande.

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