Milling tool for establishing openings in wellbore obstructions
US8499834B2 · kind B2 · utility
7Cited by
18References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2010 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Sep 10, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B29/002
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A milling tool which includes a nose cutting portion, a cutting section having a plurality of hardened cutters and a shaft portion. A wear pad is disposed on the cutting section and shaft portion. Upon the shaft portion, the wear pad extends radially outwardly to an engagement diameter that exceeds the maximum cutting diameter of the cutters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.