Stabilizing members for fixed cutter drill bit
US8783386B2 · kind B2 · utility
1Cited by
9References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2010 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Nov 25, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/55
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit for drilling a borehole in an earthen formation. In an embodiment, the bit comprises a first blade having a cutter-supporting surface. In addition, the bit comprises a plurality of primary cutter elements with cutting faces mounted to the cutter-supporting surface. The cutting profiles of the cutting faces define an outermost cutting profile Po in rotated profile view. Further, the bit comprises a stabilizing member having an end distal the cutter-supporting surface. The end includes a tip. The tip is offset from the outermost cutting profile Po in rotated profile view.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.