Artificial lift with additional gas assist
US7063161B2 · kind B2 · utility
11Cited by
16References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2003 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Nov 16, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04F5/464
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Well pumping of fluids having low hydrostatic pressure is provided through a combination of jet pumping and gas assisted lifting. A jet pump is located in a borehole in a producing zone of a well, and a source of gas is introduced into the fluid returning from the production location. The gas may be injected into the fluid used to operate the jet pump, such that the gas remains compressed until exiting the jet pump, and then provides assistance in lifting the returning fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.