Gas dissipation chamber for through tubing conveyed ESP pumping systems
US6702027B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Dec 18, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/38
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A gas dissipation chamber, installed between the tubing crossover and the production tubing string, for a through tubing conveyed ESP pumping system prevents gas discharged from the gas separator from entering the pump intake and subsequently gas locking the pumping system. The gas dissipation chamber secures to a lower end of production tubing. An electrical motor assembly is suspended on the lower end of the chamber. The gas separator and the pump are lowered through the tubing and land in the chamber in operative engagement with the motor assembly. Well fluid flows into the chamber to the separator, and gas separated by the separator vents out of the chamber into the casing. Liquid separated from the well fluid by the separator is pumped by the pump into the production tubing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.