Methods and Apparatus for Expanding Tubular Members
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United States of America Patent
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N/A
Issued Date -
Apr 19, 2007
app pub date -
Apr 18, 2006
filing date -
Apr 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for sealing a hole in a tubular in a wellbore comprising: (A) locating the tubular patch adjacent the hole; (B) (i) plastically expanding a first portion of the tubular patch above the hole into annular sealing engagement with the tubular to form a first annular seal and (ii) plastically expanding a second portion of the tubular patch below the hole in the tubular into annular sealing engagement with the tubular or the open hole to form a second annular seal thereby sealing the hole in the tubular. The patch may be a corrugated tube prior to expansion in order to pass through restrictions and may have a section with an increased wall thickness including a resilient seal.
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