Apparatus and method
US7997334B2 · kind B2 · utility
3Cited by
11References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Oct 25, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/072
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for containing fluid in ah area of a wellbore annulus, in which fluid is energized to create a fluid flow which is at least partially obstructed and is directed to form in the annulus a localized area of high pressure to contain fluid in an area of the annulus of lower pressure. In an embodiment, the method creates a pressure plug in the annulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.