Centralizer-based survey and navigation device and method
US7584808B2 · kind B2 · utility
75Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Dec 4, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/1057
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.