Tool with multi-size ball seat having segmented arcuate ball support member
US8356671B2 · kind B2 · utility
14Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2010 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Jul 14, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/142
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tool for use in a wellbore which includes a housing having an axial flow bore and a piston sleeve moveably disposed within the flow bore. The tool is moveable between first and second operating positions by an actuation mechanism having a piston with a ball seat having a partially annular shape with an outer base and a plurality of retaining segments projecting radially inwardly therefrom. The tool can be moved between first and second operating positions with the use of actuating balls of different sizes that can be landed upon the ball seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.