Two-cone drill bit
US7681670B2 · kind B2 · utility
3Cited by
32References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Mar 23, 2010 |
| Priority date | — |
| Expiry date | Dec 28, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A two-cone drill bit with a hydraulic arrangement that can be used for one or more of the following: cleaning roller cones, impinging on a hole bottom, or inducing a helical flow field. A two-cone drill bit having a bit body formed from two leg sections and two spacing members; methods of manufacturing a two-cone drill bit; and methods of improving hydraulics of a two-cone drill bit are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.