System for multidirectional information transmission between at least two units of a drilling assembly
US5493288A · kind A · utility
50Cited by
14References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 1994 |
| Grant date | Feb 20, 1996 |
| Priority date | — |
| Expiry date | Sep 12, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
System for transmitting information between at least two units of a drilling assembly by means of an electrical link along the drill string. The system of the invention provides for multidirectional transmission between the units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.