Magnetic tool and method
US9422781B1 · kind B1 · utility
2Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 2015 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Oct 23, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B31/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A magnetic tool for use in removing metal debris from a well is disclosed, the tool having inserts that may be safely installed and removed by a method using a placement screw to prevent pinching. The inserts comprised of a sleeve with a lead end and a follow end. The inserts also containing a plurality of magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.