Cutter geometry for high ROP applications
US8783387B2 · kind B2 · utility
23Cited by
35References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2008 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Dec 6, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5673
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A polycrystalline diamond compact (“PDC”)cutter includes a cylindrical body formed from a substrate material, an ultrahard layer disposed on the cylindrical body, and a cutting face perpendicular to an axis of the cylindrical body, wherein the cutting face includes two or more lobes and wherein the radius of at least one lobe is between 50 and 90 percent of the radius of the cylindrical body. A PDC cutter includes a substrate, and a cutting face perpendicular to an axis of the substrate, wherein the cross-section of the cutting face comprises multiple lobes, and the cross-section of the substrate is substantially circular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.