Eutectic material-based seal element for packers

Details Eutectic material-based seal element for packers Eutectic material-based seal element for packers

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/10 (2006.01)

Patent

CA 2579116

The present invention relates to a seal element for a wellbore which includes a support member, a bag positioned on the support member and a eutectic material positionable in the bag. The bag may be axially compressed and axially extended along the support member thereby permitting sealing and unsealing of an annulus in a wellbore. The eutectic material may be a phase changing salt.

La présente invention se rapporte à un élément d'obturation pour puits de forage qui comprend un élément de support, un sac placé sur l'élément de support et une matière eutectique à placer dans le sac. Ce sac peut être comprimé axialement et s'étendre axialement le long de l'élément de support, ce qui permet l'obturation et le débouchage de l'espace annulaire d'un puits de forage. La matière eutectique peut être du sel à changement de phase.

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