Communications system having redundant channels
US6816082B1 · kind B1 · utility
72Cited by
19References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1998 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Mar 11, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/437
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for use in a well having completion zones includes a surface node and a plurality of downhole nodes positioned in the completion zones. A communications link extends into the well and is coupled to the surface node and downhole nodes. The communications link includes channels coupling successive nodes, and the surface node and downhole nodes are coupled in a loop by the channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.