Method of expanding a tubular element in a wellbore
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United States of America Patent
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Mar 7, 2006
Issued Date -
N/A
app pub date -
Jul 10, 2002
filing date -
Jul 13, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a method of radially expanding a tubular element extending into a wellbore, the tubular element having a first section to be expanded to a first diameter and a second section to be expanded to a second diameter, the first diameter being larger than the second diameter. The method involves arranging an expander in the wellbore, the expander including a first expander member and a second expander member, wherein the first member has a larger outer diameter than the second member, said members being releasably interconnected. The expander is moved through the first tubular section thereby expanding the first tubular section to the first diameter, whereafter the second expander member is released from the first expander member. The second expander member is then moved through the second tubular section so as to expand the latter to the second diameter.
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