Casing attachment method and apparatus
US6899183B2 · kind B2 · utility
7Cited by
9References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2002 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | May 10, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus to affix a tool downhole in a cased wellbore, one embodiment comprising a tubular body with a slot along its length. A portion of the slot is V-shaped to accommodate a wedge with a corresponding V-shape. The outside of the tubular body has integral teeth. To set the apparatus, the wedge is driven into the V-shaped slot. This movement widens the slot and expands the diameter of the tubular body until it intersects with the casing. The teeth on the outside of the body bite into the casing wall to affix the tool to the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.