Downhole roller
US10781647B2 · kind B2 · utility
1Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2015 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Sep 7, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/1057
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole roller having a body. The downhole roller also has a wheel connected with the body, and a bearing assembly disposed between the body and the wheel to allow the wheel to move relative to the body. The downhole roller can also have an internal shaft between the wheel and the bearing assembly, wherein the internal shaft holds the bearing assembly in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.