Downhole tool

Details Downhole tool Downhole tool

E - Fixed Constructions

21

B

E21B 21/10 (2006.01) E21B 23/00 (2006.01)

Patent

CA 2760832

An activating device is provided for location in downhole tubing. The device defines an activation profile which is initially maintained at a larger diameter than a tubing seat, such that the device may land on and be held up by the seat The profile may be subsequently re-configured to radially retract, allowing the device to pass through the seat.

L'invention concerne un dispositif d'activation destiné à être placé dans une colonne de production de fond. Le dispositif définit un profil d'activation qui est initialement maintenu à un diamètre plus important qu'un siège de colonne de production, de sorte que le dispositif peut reposer sur le siège et être maintenu par ce dernier. Le profil peut être ultérieurement reconfiguré afin de se rétracter radialement, permettant au dispositif de passer à travers le siège.

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