Packer, sealing system and method of sealing

摘要

A sealing system includes, a body, at least one swellable member in operable communication with the body configured to swell into sealing engagement with a structure proximate the body, and at least one shape memory member in operable communication with the body and configured to increase at least one dimension thereof in response to exposure to transition stimulus to cause the at least one shape memory member to contact both the body and the structure, the at least one shape memory member also configured to support the at least one swellable member against pressure urging it to move relative to at least one of the body and the structure.

主权项

1. A sealing system comprising:
a body; at least one swellable member in operable communication with the body configured to swell into sealing engagement with a downhole structure proximate the body while downhole; and at least one shape memory member separate from the downhole structure and in operable communication with the body being configured to increase at least one dimension thereof in response to exposure to transition stimulus to cause the at least one shape memory member to directly contact both the body and the downhole structure while downhole, the at least one shape memory member being configured to return toward a shape the at least one shape memory member previously had, the at least one swellable member being configured to swell toward a shape the at least one swellable member did not previously have, the at least one shape memory member being positioned adjacent to the least one swellable member without longitudinally overlapping with the at least one swellable member when the sealing system is configured to be run into the downhole structure, the downhole structure being positioned downhole prior to the sealing system being run into the downhole structure, the shape memory member also being configured to support the at least one swellable member against pressure urging it to move relative to at least one of the body and the structure.