Annular barrier tool
US7347274B2 · kind B2 · utility
24Cited by
27References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2005 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Nov 17, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1285
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides for an annular barrier tool to block or restrict the flow of well fluids in the annular region of a well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.