Downhole drilling apparatus and method for using same
US6761230B2 · kind B2 · utility
49Cited by
23References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Oct 10, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/017
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus is provided to support a gyroscope within a downhole drilling tool. A packaging system is positioned within a drill collar of the drilling tool and includes a housing for the gyro and at least one centralizer supporting the housing within the drill collar. The system may also be provided with a down-hole end cap, an up-hole endcap and a loading device. A gyro compression mechanism that is capable of holding wires may also be included to provide power and communication while compressing the gyro to isolate it from shock or vibration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.