Rock drill bits, methods, and systems with transition-optimized torque distribution
US6695073B2 · kind B2 · utility
20Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | May 10, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A fixed-cutter drill bit is optimized so that cutter torques are evenly distributed not only during drilling of homogeneous rock, but also in transitional formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.