Well pump assembly and packer
Patent
·
OSTI ID:5251398
This patent describes a packer. It comprises release mandrel means, expansible packer seal element means carried by the release mandrel means for sealing with a well pipe, cooperable slips and slipcone means carried by the release mandrel means for releasably anchoring the packer in a well pipe, means including a first hydraulic fluid conduit and a first piston receiving fluid from the conduit and releasable latch means carried by the release mandrel means for moving the slips and slip cone relative to each other to set position and locking them in the position, the latch means when released permitting relative movement of the slips and slip cone to release them from set position, and hydraulic means including a second hydraulic fluid conduit and a second piston receiving fluid from the second conduit for releasing the latch means by shifting the release mandrel in response to pressure in the second conduit.
- Assignee:
- Otis Engineering Corp., Dallas, TX (United States)
- Patent Number(s):
- A; US 5094294
- Application Number:
- PPN: US 7-32470
- OSTI ID:
- 5251398
- Country of Publication:
- United States
- Language:
- English
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