Reinforced open-hole zonal isolation packer and method of use

Details Reinforced open-hole zonal isolation packer and method of use Reinforced open-hole zonal isolation packer and method of use

2008-09-09

2008-09-09

Andrish, Sean D (Department: 3672)

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

C166S387000, C166S189000, C166S191000, C166S195000, C166S100000

Reexamination Certificate

active

11187204

ABSTRACT:
A packer device and methods of use for a packer within uncased wellbore to form a complete fluid seal. The packer device includes a central mandrel body that retains a plurality of nested, telescopic expanding elements that are moveable outwardly from the mandrel body. The mandrel body and expanding elements are surrounded by a load-distributing structure as well as a sealing element, which is typically comprised of elastomer. The packer device is hydraulically actuated to urge the expansion members radially outwardly against the load-distributing structure and the sealing element. Because there are a number of discrete expansion elements, the packer device is better able to create a fluid seal within an uncased borehole with surface irregularities.

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