Apparatus and method for expanding a tubular
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United States of America Patent
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-
Aug 2, 2005
Grant Date -
Jul 24, 2003
app pub date -
Dec 16, 2002
filing date -
Dec 22, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of isolating a section of downhole tubing comprises: running a length of expandable tubing (20) into a tubing-lined borehole (12, 14) and positioning the expandable tubing (20) across a section of tubing to be isolated; deforming at least portions of the expandable tubing (36, 40) to increase the diameter of the portions to sealingly engage the tubing (14) and to isolate the tubing section.
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