Magnetic field measurement cable and distributed-type well inside magnetic field measurement system
US11835598B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Aug 21, 2020 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Aug 21, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A90/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magnetic field measurement cable (10) of the present disclosure includes an electric cable (1) provided at an axial part, and an outer circumferential cable (2) provided on the outer side of the electric cable (1) and helically formed by a plurality of steel wires helically wound and a magnetic field measurement optical cable (3) having an optical fiber cable (3a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.