Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
US7066280B2 · kind B2 · utility
51Cited by
1References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2003 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Oct 13, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/017
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved drill bit for use in drilling operations in a wellbore comprising a bit body including a plurality of bit legs, each supporting a rolling cone cutter, a lubrication system for a rolling cone cutter, at least one lubrication sensor for monitoring at least one condition of said lubricant during drilling operations, and an electronics member in the bit body for recording data obtained form said lubrication sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.