Improved packing element

Details Improved packing element Improved packing element

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/128 (2006.01)

Patent

CA 2708728

A sealing element for a packer is described. The sealing element comprises an annular body having an internal surface defining a throughbore, the internal surface adapted to engage a mandrel having a mandrel diameter. The annular body internal surface defines first and second regions, the throughbore diameter of the regions being less than the mandrel diameter.

L'invention concerne un élément d'étanchéité pour packer, qui comprend un corps annulaire dont la surface intérieure délimitant un trou traversant est conçue pour venir au contact d'un mandrin présentant un diamètre du mandrin. La surface intérieure du corps annulaire délimite une première et une seconde zone dont le diamètre du trou traversant est inférieur au diamètre du mandrin.

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