Downhole strain sensing cables
US11150425B2 · kind B2 · utility
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11References
20Claims
0Family size
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Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Apr 1, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/4488
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.