Pumping system for oil wells
US7258164B2 · kind B2 · utility
17Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2003 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Nov 8, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/58
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pumping system (13) for oil wells (1) comprises a pump (20) immersed at the bottom of the well (4) and a flow-meter (32) associated with the pump (20), the immersed pump (20) being supplied by an electric supply source (26). The flow-meter (32) is an electromagnetic flow-meter, also electrically supplied by the supply source (26) of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.