Seal stack for sliding sleeve

Details Seal stack for sliding sleeve Seal stack for sliding sleeve

2008-04-29

2008-04-29

Wright, Giovanna C (Department: 3672)

Wells

Valves, closures or changeable restrictors

Longitudinally movable operator

C166S332100, C166S373000, C166S386000, C166S387000, C277S342000

Reexamination Certificate

active

07363981

ABSTRACT:
A method and apparatus for sealing a tool for use in a wellbore is provided. The seal is configured to be disposed in a tool comprising a ported sliding sleeve and a ported housing. The tool may be actuable between a closed and an open position. The seal is configured so that one side of the seal acts as a flow restrictor to protect the other side of the seal from damage during actuation of the tool under pressurized conditions.

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EP Search Report, Application No. EP 04030243, dated Mar. 9, 2005.
EP Search Report, Application No. 06123780.6-2315, dated Feb. 5, 2007.

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