Downhole swellable sealing system and method

Details Downhole swellable sealing system and method Downhole swellable sealing system and method

E - Fixed Constructions

21

B

E21B 33/12 (2006.01)

Patent

CA 2756775

Disclosed herein is a downhole tubular sealing system. The system includes, a tubular runnable in a downhole wellbore, a swellable seal disposed at the tubular that is sealable with the downhole wellbore when swelled, and at least one releasable member in operable communication with the tubular and the swellable seal. The at least one releasable member configured to longitudinally fix the swellable seal to the tubular when nonreleased and to longitudinally disengage the swellable seal from the tubular when released.

La présente invention concerne un système d'étanchéité matériel tubulaire de trou de forage. Le système comprend un matériel tubulaire pouvant descendre dans un trou de forage, un joint gonflable placé sur le matériel tubulaire pouvant assurer l'étanchéité du trou de forage lorsqu'il est gonflé et au moins un élément libérable en communication fonctionnelle avec le matériel tubulaire et le joint gonflable. Le ou les éléments libérables sont configurés pour fixer longitudinalement le joint gonflable au matériel tubulaire lorsqu'ils ne sont pas libérés et à séparer le joint gonflable du matériel tubulaire lorsqu'ils sont libérés.

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