Resettable antiextrusion backup system and method
US7891433B2 · kind B2 · utility
4Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2010 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Jan 4, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A resettable antiextrusion system including a backup ring, a ramp in operable communication with the backup ring, and a gauge ring attached to the ramp. A method for sealing a tubular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.