Downhole pump unseating apparatus and method
Patent
·
OSTI ID:5116612
This patent describes a fluid producing borehole having a downhole pump assembly located at a lower end of a tubing string for producing fluid from a pay zone, wherein some parts of the pump assembly are affixed to a hold-down and the hold-down is telescopingly received in sealed relationship within a seating nipple, the combination with the pump assembly of an apparatus for unsticking a downhole pump assembly by pushing the hold-down in an uphole direction and thereby forcing the hold-down to become unseated from the seating nipple.
- Assignee:
- NOV; EDB-91-158445; NOV-91-023060
- Patent Number(s):
- A; US 5005651
- Application Number:
- PPN: US 7-425251
- OSTI ID:
- 5116612
- Country of Publication:
- United States
- Language:
- English
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