Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Reexamination Certificate
2006-10-12
2008-11-11
Bomar, Shane (Department: 3676)
Wells
Packers or plugs
Central support has shoulders expanding sealing portion, or...
C166S180000, C166S138000, C277S341000
Reexamination Certificate
active
07448445
ABSTRACT:
A downhole well tool comprises a seal ring secured along the outer surface of the downhole tool. The downhole tool expands the seal ring radially outward into sealing engagement with an outer tubular member in the well. The seal ring has an annular reinforcing element having an outer wall surface, an inner wall surface, and at least one hole disposed between the outer wall surface and the inner wall surface. At least one sealing material, either preformed or molded in place with the reinforcing element, is disposed along the outer wall surface, through each of the holes, and along at least a portion of the inner wall surface.
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Barnard Jason J.
Doane James C.
Gaudette Sean L.
Baker Hughes Incorporated
Bomar Shane
Greenberg & Traurig, LLP
Matheny Anthony F.
LandOfFree
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