Tubing anchor
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United States of America Patent
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-
Dec 20, 2005
Grant Date -
Apr 29, 2004
app pub date -
Sep 11, 2003
filing date -
Dec 22, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of installing a liner in a drilled bore below a section of bore previously lined with casing comprises the steps of: running a length of liner into the bore such that at least an upper end of the liner is positioned in overlapping relation with at least a lower end of the casing; and plastically deforming a portion of the liner such that an external face of the portion forms an interference fit with an internal face of a portion of the casing. The interference fit preferably provides both hanging support for the liner and a fluid-tight seal between the liner and casing.
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