Retaining and isolating mechanisms for magnets in a magnetic cleaning tool
US8353349B2 · kind B2 · utility
6Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2010 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Mar 10, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A magnetic retrieval tool used for collecting metallic debris and material from within a wellbore or other surrounding downhole tubular. The tool includes a tool mandrel. A removable insert resides upon the tool mandrel. The insert retains a plurality of individual magnets in a fixed array or matrix surrounding the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.