Methods and apparatuses for releasing a chemical into a well bore upon command
US8136594B2 · kind B2 · utility
17Cited by
21References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2009 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Oct 25, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B27/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods and apparatuses for releasing a chemical in a well bore are disclosed. One apparatus includes a curved member configured for coupling to a casing, and a hollow member is connected to the curved member. A chemical container is disposed, at least in part, within the hollow space, and the hollow member extends at least partially around a hollow space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.