E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01) E21B 23/06 (2006.01) E21B 33/129 (2006.01)
Patent
CA 2059161
ABSTRACT OF THE DISCLOSURE 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 applica- tions 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. 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.
Arizmendi Napoleon
Jordan Henry J. Jr.
Rubbo Richard P.
Baker Hughes Incorporated
Borden Ladner Gervais Llp
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