Drill bit and cutter element having a fluted geometry
US8028773B2 · kind B2 · utility
3Cited by
14References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2008 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Sep 12, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/58
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit for cutting a borehole having a borehole sidewall, corner and bottom, includes a bit body having a bit axis and a rolling cone cutter mounted on the bit body and adapted for rotation about a cone axis. Further, the drill bit includes at least one insert having a base portion secured in the rolling cone cutter and having a cutting portion extending therefrom. The cutting portion of the at least one insert has a cutting surface including at least one flute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.