Detecting broadside acoustic signals with a fiber optical distrubuted acoustic sensing (DAS) assembly
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United States of America Patent
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Nov 15, 2016
Grant Date -
Nov 27, 2014
app pub date -
Dec 13, 2012
filing date -
Dec 15, 2011
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Abstract
A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SHELL OIL COMPANY
International Classification(s)
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Birch, William | Aberdeen, GB | 13 | 240 |
Den, Boer Johannis Josephus | Rijswijk, NL | 25 | 745 |
Hornman, Kees | Rijswijk, NL | 2 | 18 |
Kuvshinov, Boris Nikolaevich | Rijswijk, NL | 6 | 17 |
Lopez, Jorge Louis | Bellaire, US | 8 | 107 |
Mateeva, Albena Alexandrova | Houston, US | 12 | 88 |
Mestayer, Jeffery Joseph | Kingwood, US | 6 | 107 |
Pearce, Jeremiah Glen | Houston, US | 17 | 321 |
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