Well packing tool
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United States of America Patent
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Sep 10, 1991
Grant Date -
N/A
app pub date -
Apr 30, 1990
filing date -
Apr 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retrievable well packing tool suitable for high pressure environments which is hydraulically set within a well bore and thereafter mechanically released. The packer includes a pressure compensator which enhances the setting force, maintains a continual setting force during well operations, and equalizes differential pressures during release. Dual slips are provided to ensure rigid anchoring of the packer to the casing wall. The short, compact design of the packing tool facilitates running through the casing while reducing manufacturing costs. Inadvertent presetting of the packer is presented by positively locking all components.
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