Downhole backup system and method
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United States of America Patent
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Apr 12, 2011
Grant Date -
Mar 25, 2010
app pub date -
Sep 24, 2008
filing date -
Sep 24, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A downhole backup system includes, a tubular positionable within a downhole structure such that an annular space exists between the tubular and the downhole structure. The downhole backup system also includes, a plurality of wedges that are radially movably positioned within the annular space, and each of two opposing ends of the plurality of wedges are configured to completely cover the annular space at all possible radial positions of the plurality of wedges.
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