Method and apparatus for anchoring downhole tools in a wellbore
US6920927B2 · kind B2 · utility
9Cited by
10References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Jul 19, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1291
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore anchoring device for anchoring a down-hole tool within a string of casing is provided, comprising an expandable cone having at least one annular integral shoulder, defining the large end of at least one conical annular recess on an outer surface of the cone, and at least one resilient slip positioned within the at least one annular recess, wherein axial travel of the at least one slip relative to the cone is actively limited by engagement with at least one integral shoulder on the cone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.