Actively controlled buoy based marine seismic survey system and method
US-9513394-B2 · Dec 6, 2016 · US
Wide area seismic detection
US9435902B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9435902-B2 |
| Application number | US-88375510-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 16, 2010 |
| Priority date | Sep 18, 2009 |
| Publication date | Sep 6, 2016 |
| Grant date | Sep 6, 2016 |
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Abstract
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A method for monitoring for seismic events by interrogating an optic fiber which forms part of an existing communications infrastructure to provide distributed acoustic sensing (DAS). The signals provided by the distributed sensing provide measurements at each of a plurality of discrete portions along the fiber, which may be many tens of kilometers in length. Warning or measurement and consequently prediction of seismic activity can be provided by collecting data over a wide area, without the need to deploy a correspondingly large fiber network.
First claim
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The invention claimed is: 1. A method of monitoring an area of interest for an earthquake comprising: operating at least one distributed acoustic sensor interrogator unit connected to an optical fibre communications infrastructure to provide fibre optic distributed acoustic sensing on one or more optical fibres of said optical fibre communications infrastructure, wherein each distributed acoustic sensor interrogator unit is connected to a respective optical fibre within a respec…
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Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Physics · mapped topic
- G01V1/186Primary
Physics · mapped topic
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- What does patent US9435902B2 cover?
- A method for monitoring for seismic events by interrogating an optic fiber which forms part of an existing communications infrastructure to provide distributed acoustic sensing (DAS). The signals provided by the distributed sensing provide measurements at each of a plurality of discrete portions along the fiber, which may be many tens of kilometers in length. Warning or measurement and conseque…
- Who is the assignee on this patent?
- Hill David John, Mcewen-King Magnus, Optasense Holdings Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01V1/186. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Sep 06 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).