Downhole jet pump
US7909089B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 21, 2007 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Feb 9, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/124
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
One embodiment of a downhole jet pump 10 includes an exterior pump housing 12, power fluid jet nozzle 30, mixing tube 32, and a carrier 40 including a plurality of venturi ports 38. A nose piece 48 is provided fluidly downstream from the mixing tube 32. A diffuser 46 is downstream from the nose piece, and preferably forms a unitary body from the lower end of the nose piece to the side port of the pump housing. An inlet valve 100 passes formation fluid into the pump housing and to the venturi ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.