Cutting element for a drill bit used in drilling subterranean formations
US8978788B2 · kind B2 · utility
6Cited by
150References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2010 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Jul 10, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5676
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting element for use in a drill bit for drilling subterranean formations includes a cutting body having a substrate including a rear surface, an upper surface, and a peripheral side surface extending between the rear surface and the upper surface, and a superabrasive layer overlying the upper surface of the substrate. The cutting element further includes a sleeve surrounding the peripheral side surface of the cutting body and comprising a superabrasive layer bonded to an external surface of the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.