Retrievable packer
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United States of America Patent
Stats
-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Jan 11, 1991
filing date -
Jan 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus of the present invention is a retrievable packer which provides for release between a mandrel and a packing element support structure by virtue of a rotational movement The apparatus is configured so that the packer can be set by letting up on a tubing string or, in some applications where sufficient weight is unavailable, by pulling up on the tubing string. The slips feature a locking mechanism to secure the packing element against the wellbore W. A release mechanism is provided to defeat the lock mechanism and to act upon the slips to draw them inwardly so the apparatus can be removed from the wellbore W.
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