Expansion device
US8066065B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2009 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Dec 19, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/134
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expansion device for a wellbore servicing tool, comprising a wedge comprising a frusto-conical wall having a tip end, the wedge being configured coaxially along a central axis, a plurality of slip segments, each slip segment comprising an inner surface having an incline surface, and at least one bridge joining each of the incline surfaces to the frusto conical wall. A method of operating a wellbore servicing tool, comprising longitudinally compressing an expansion device along a central axis, upon sufficient compression, separating plural slip segments from a wedge, moving the wedge relative to the slip segments, upon sufficient movement of the wedge relative to the slip segments, separating at least two slip segments from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.