Sealing devices for sealing inner wall surfaces of a wellbore and methods of installing same in a wellbore
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United States of America Patent
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Feb 17, 2015
Grant Date -
Dec 6, 2012
app pub date -
Jun 3, 2011
filing date -
Jun 3, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Sealing devices for use in a wellbore to seal a leak path through an inner wall surface of the wellbore comprise a mandrel, an expandable element, and a shape deforming sealing element. Expansion or inflation of the expandable element moves the shape deforming sealing element from its run-in shape to its set shape. A stimulus, such as a change in temperature, acts upon the shape deforming sealing element facilitating the shape deforming sealing element changing shape. Removal of the stimulus causes the shape deforming sealing element to remain in the set shape. Thereafter, the mandrel and expandable element can be removed to leave only the shape deforming sealing element within the wellbore to seal the leak path.
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