SEALING MATERIAL FOR ANNULAR BARRIERS
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Oct 26, 2012
filing date -
Oct 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an annular barrier for providing zone isolation between a first zone and a second zone in a borehole or a casing downhole, the annular barrier comprising a tubular part and an expandable element made of metal surrounding the tubular part, and the annular barrier having a circumference, a longitudinal extension and an outer face and further comprising an annular seal comprising a sealing material, the sealing material extending around the outer face of the annular barrier and having a bundle of strands wherein at least one strand comprises graphite and/or carbon.
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