Hanging apparatus and method
US7686089B2 · kind B2 · utility
2Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2005 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Oct 10, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus, such as a liner, adapted to be hung in a downhole tubular such as casing is described. The apparatus includes one or more circumferentially distributed abrasive portions, arranged to be movable radially outwards by a dimple former or an expander. In an embodiment, the abrasive portions are provided on disks moveable in recesses in the outer diameter of the apparatus being hung. In an embodiment, the apparatus is hung by operating a dimple former provided on the running tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.