Seal receptacle using expandable liner hanger
US7290605B2 · kind B2 · utility
14Cited by
579References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2002 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Jul 19, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The end of an expandable liner hanger (120) provides a receptacle for another tubular liner (135).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.