Gas lift plunger acceleration arrangement
US8607880B2 · kind B2 · utility
2Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2010 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Aug 20, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/121
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An elongated plunger arrangement for moving up and down in a tubing string and a plunger lift system for an oil well and a gas well, the plunger having an upper portion, an intermediate portion and a lower portion, all of the portions having an elongated longitudinally directed bore or cavity therewithin, the plunger also having a direction accelerating arrangement therewithin, the direction accelerating arrangement comprising an elongated acceleration inducing valve containing shift rod extending through the elongated bore, wherein the shift rod is longer than the elongated plunger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.