Severe dog leg swivel for tubing conveyed perforating

Details Severe dog leg swivel for tubing conveyed perforating Severe dog leg swivel for tubing conveyed perforating

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) E21B 17/05 (2006.01) E21B 43/119 (2006.01)

Patent

CA 2468809

One embodiment of the present invention discloses a system for use with a downhole tool (1) while perforating deviated portions of subterranean wellbores. The system involves a swivel connection (10) attaching subsequent segments (19) of the downhole tool which increases the overall flexibility of the downhole tool. The swivel connection allows sections of the downhole tool to pivot with respect to the next adjacent section.

Un mode de réalisation de l'invention concerne un système à utiliser avec un outil de fond de trou (1) pendant la perforation de parties déviées de puits de forage souterrains. Le système comprend une connexion (10) de tête d'injection fixant des segments subséquents (19) de l'outil de fond de trou, aux fins d'augmentation de la souplesse globale de l'outil de fond de trou. La connexion de la tête d'injection permet à des sections de l'outil de fond de trou de pivoter par rapport à la section adjacente suivante.

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