Method of expanding a tubular element in a wellbore
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United States of America Patent
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Apr 30, 2013
Grant Date -
Nov 25, 2010
app pub date -
Dec 24, 2008
filing date -
Jan 4, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A method of radially expanding a tubular element in a wellbore formed in an earth formation comprises arranging the tubular element in the wellbore such that a lower end portion of the wall of the tubular element extends radially outward and in an axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, whereby an annulus is defined between the expanded and remaining tubular sections. The expanded tubular section is axially extended by moving the remaining tubular section downward relative to the expanded tubular section so that the lower end portion of the wall bends radially outward and in an axially reverse direction, and load transfer means is positioned in the annulus, the load transfer means being arranged to transfer a load between the remaining tubular section and the expanded tubular section.
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