Drill bit having shear cutters and gouging cutters
US10107041B2 · kind B2 · utility
3Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2016 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Oct 21, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/633
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit includes a bit body defining a plurality of blades extending from a selected distance from an axis of rotation of the bit body to a gage face. A plurality of only gouging cutters is mounted on the bit body. At least one of the plurality of blades has a blade top surface longitudinally behind the tips of the gouging cutters at a selected distance from the tips of the gouging cutters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.