Universal plunger for oil well pumps
Patent
·
OSTI ID:7112882
This patent describes a universal plunger disposed for sealing reciprocation in the barrel of an oil well pump. It comprises an elongated plunger body having a longitudinal bore; a first bevel provided on one end of the plunger body; at least one first seal set provided on the one end of the plunger body and terminating the first level and a first polyurethane combination high pressure and wiper seal provided in the first seal seat for sealing the one end of the plunger body in the barrel; a second bevel provided on the opposite end of the plunger body.
- Assignee:
- NOV; NOV-92-037028; EDB-92-139294
- Patent Number(s):
- US 5120203; A
- Application Number:
- PPN: US 7-604195
- OSTI ID:
- 7112882
- Resource Relation:
- Patent File Date: 29 Oct 1990
- Country of Publication:
- United States
- Language:
- English
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