Wellbore control device

Details Wellbore control device Wellbore control device

E - Fixed Constructions

21

B

E21B 33/06 (2006.01)

Patent

CA 2565861

A wellbore control device (10) for sealing a wellbore is described. The device has, in a preferred arrangement, two opposed cutting rams (16, 18) which are coupled to respective linkage mechanisms (26, 28). The linkage mechanisms translate axial movement of a piston into radial movement to move the rams towards each other in the device throughbore. This results in an effective wellbore control device having a compact size and shape which can be encompassed within a wellbore.

L'invention concerne un dispositif de commande de puits de sonde (10) pour obturer un puits de sonde. Le dispositif possède, dans un agencement préféré, deux mâchoires coupantes opposées (16, 18) qui sont accouplées aux mécanismes de liaison respectifs (26, 28). Ces mécanismes de liaison translatent le mouvement axial d'un piston en mouvement radial, de manière que les mâchoires se rapprochent l'une de l'autre dans le puits de sonde du dispositif. Ainsi, un dispositif de commande de puits de sonde, de taille et de forme compactes pouvant être installé dans un puits de sonde peut être produit.

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