Expandable device for use in a well bore
First Claim
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1. An expandable device for use in a well comprising:
- a well device comprising an expansion member having a plurality of cells that are expandable from a closed position to an open position such that the closed position and the open position are the same axial length, each cell having a thin strut pivotably coupled to a thick strut, wherein the expansion member is readily moved along a wellbore when the plurality of cells are in the closed position, further wherein the expansion member is expandable by transitioning the plurality of cells to the open position at a desired location in the wellbore.
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Abstract
An expandable device comprising a plurality of expandable cells. The cells may be bistable cells or other types of cells that are expanded from a contracted position towards an expanded position. Additionally, the cells may be combined with locking mechanisms to hold the structure in an expanded position.
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Citations
12 Claims
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1. An expandable device for use in a well comprising:
a well device comprising an expansion member having a plurality of cells that are expandable from a closed position to an open position such that the closed position and the open position are the same axial length, each cell having a thin strut pivotably coupled to a thick strut, wherein the expansion member is readily moved along a wellbore when the plurality of cells are in the closed position, further wherein the expansion member is expandable by transitioning the plurality of cells to the open position at a desired location in the wellbore. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An expandable device for use in a well comprising:
a well device comprising an expansion member having a plurality of bi-stable cells expandable from a closed position to an open position, each cell having a pair of thin struts pivotably coupled to a thick strut, wherein each thin strut comprises corresponding ends that are pivotably received into corresponding sockets defined in the thick strut, wherein the expansion member is readily moved along a wellbore when the plurality of cells are in the closed position, and further wherein the expansion member is expandable by transitioning the plurality of cells to the open position at a desired location in the wellbore.
Specification