Wellbore zonal isolation system and method
US7631695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Oct 22, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1208
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of completing a wellbore includes the steps of connecting an isolation tool to a conveyance, the isolation tool including a tubular base member having an internal bore and an outer housing forming a first chamber and a second chamber separated by a wall; the first chamber having a first inlet port in communication with the internal bore and a first outlet port formed through the housing; the second chamber having first inlet port in communication with the internal bore and a second outlet port formed through the housing; a first material disposed in the first chamber; and a second material disposed in the second chamber; running the conveyance into the wellbore, an annulus formed between the isolation tool and sidewall of the wellbore; and activating the isolation tool to form a barrier to fluid flow in the annulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.