Optimizing electromagnetic telemetry transmissions
US9988897B2 · kind B2 · utility
1Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2017 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Aug 3, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An electromagnetic telemetry system adjusts telemetry parameters which may include carrier frequency, signal amplitude and/or data encoding protocol to achieve reliable data transmission and to conserve power. In some embodiments, sweep signals transmit a range of carrier frequencies and the parameters are determined in part by analyzing the received sweep signals. In some embodiments, different parameters are selected automatically based on a mode of drilling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.