DOWNWELL SYSTEM WITH SWELLABLE PACKER INCLUDING BLOWING AGENT
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Feb 6, 2009
filing date -
Feb 15, 2008
priority date (Note) -
Abandoned
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Abstract
A downwell packer assembly includes a tubular member and a packer element mounted on the tubular member. The packer element comprises a composition that includes a polymer. The packer element includes micropores (typically created via a blowing agent). When the packer element is exposed to a swelling fluid, such as water or hydrocarbon, the micropores can help to control and, in some instances, increase the rate of swelling. Such swelling enables the packer element to form a seal against the walls of the wellbore.
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