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; NOV-91-023060; EDB-91-158445
- Patent Number(s):
- US 5005651; A
- Application Number:
- PPN: US 7-425251
- OSTI ID:
- 5116612
- Resource Relation:
- Patent File Date: 20 Oct 1989
- Country of Publication:
- United States
- Language:
- English
Similar Records
Downhole, hydraulically actuated pump assembly with pressure settable packer nose assembly
Downhole, hydraulically-actuated pump and cavity having closed power fluid flow
Well cleanup and completion method and apparatus
Patent
·
Tue Mar 23 00:00:00 EST 1982
·
OSTI ID:5116612
Downhole, hydraulically-actuated pump and cavity having closed power fluid flow
Patent
·
Tue May 19 00:00:00 EDT 1981
·
OSTI ID:5116612
Well cleanup and completion method and apparatus
Patent
·
Tue Apr 16 00:00:00 EST 1985
·
OSTI ID:5116612
Related Subjects
02 PETROLEUM
03 NATURAL GAS
NATURAL GAS WELLS
PUMPING
OIL WELLS
PUMPS
SUPPORTS
DRILL PIPES
WELL RECOVERY EQUIPMENT
DRILLING EQUIPMENT
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
MECHANICAL STRUCTURES
PIPES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing
03 NATURAL GAS
NATURAL GAS WELLS
PUMPING
OIL WELLS
PUMPS
SUPPORTS
DRILL PIPES
WELL RECOVERY EQUIPMENT
DRILLING EQUIPMENT
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
MECHANICAL STRUCTURES
PIPES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing