Reinforced swelling elastomer seal element on expandable tubular
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United States of America Patent
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Dec 28, 2004
Grant Date -
Jun 17, 2004
app pub date -
Dec 12, 2002
filing date -
Dec 12, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method used for sealing a wellbore. The apparatus includes a swelling elastomer disposed around an outer surface of the tubular body. The swelling elastomer is isolated from wellbore fluid in an annulus. However, upon the application of an outwardly directed force to an inner surface of the tubular body, the tubular body expands radially outward causing the swelling elastomer to contact the wellbore while exposing the swelling elastomer to an activating agent via the one or more apertures, thereby causing the swelling elastomer to create a pressure energized seal with one or more adjacent surfaces in the wellbore.
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