Downhole pump
US8226383B2 · kind B2 · utility
2Cited by
6References
12Claims
0Family size
Inventors
Key dates
| Filing date | Sep 7, 2007 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | May 19, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B47/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus for pumping fluids from a geologic formation comprising a submersible motor having a motor shaft, wherein said submersible motor is reversible and has a plurality of speed settings; a pump housing connected to said submersible motor by a motor mount, wherein said pump housing has a lubricant contained therein; and a tube connected to said pump housing having a pump barrel disposed therein, wherein said pump barrel has an upper barrel connector that is connected to a standing valve; whereby a reciprocating motion by a ball nut applies said lubricant on a ball screw, and associated method of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.