Hybrid bit with mechanically attached roller cone elements
US10107039B2 · kind B2 · utility
3Cited by
294References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 2015 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Nov 27, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/62
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A modular hybrid drill bit is disclosed comprising a plurality of fixed blades and at least one rolling cutter assembly that is mechanically fastened to a bit body by a plurality of mechanical fasteners. The at least one rolling cutter assembly can be adjusted to change the axial and radial exposure of the rolling cutter elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.