Method and apparatus for wellbore fluid treatment
US8167047B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2010 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Jul 5, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for fluid treatment of a borehole includes: a tubing string having a long axis and an upper end, a first, second and third ports opened through the wall of the tubing string; packers operable to seal about the tubing string and mounted on the tubing string; a closure on each port and each being actuable between a closed port position and a position permitting fluid flow through the ports from the tubing string inner bore; and a closure actuating mechanism for actuating the first closure and the second closure together from their closed port positions to their positions permitting fluid flow, while the third closure remains in the closed port position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.