Seal arrangement for expandable tubulars

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 7/02 (2006.01) E21B 17/08 (2006.01) E21B 43/10 (2006.01) F16J 15/06 (2006.01) F16J 15/46 (2006.01) F16L 25/10 (2006.01)

Patent

CA 2684782

An expandable tubular includes a tubular body and a sealing arrangement disposed on an external surface of the tubular body. The sealing arrangement includes a plurality of seals having a corrugation. A method of manufacturing a sealing arrangement for an expandable tubular includes arranging a plurality of seals about the circumference of an expandable tubular and forming corrugations in the plurality of seals such that the effective length of the plurality of seals is at least 5 percent greater than the circumference of the expandable tubular.

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