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Article

Development of a Highly Flexible and High-Resolution Deep-Towed Streamer

by
Toshio Yamazu
1,
Koshi Haraguchi
1,
Takahiko Inoue
2 and
Kohsaku Arai
2,*
1
Sonic Corporation, 1-18-2 Akebonocho, Tachikawa, Tokyo 190-0012, Japan
2
Geological Survey of Japan (GSJ), The National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8567, Japan
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2019, 7(8), 254; https://doi.org/10.3390/jmse7080254
Submission received: 22 June 2019 / Revised: 24 July 2019 / Accepted: 31 July 2019 / Published: 2 August 2019
(This article belongs to the Section Ocean Engineering)
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Abstract

We have developed new a deep-towed seismic streamer for sub-bottom profiling. To obtain a high-resolution seismic signal, this streamer can be operated at depths of up to 2000 m, and state-of-the-art technology is adopted with electronics circuits, that can withstand high pressures of up to 22 MPa. The streamer houses an ultra-low noise pre-amplifier, micro-processor, AD convertor, high precision clock, gain controller, and other circuitry in an oil-filled vessel. The high S/N ratio gives us high-resolution seismic images. The streamer comprises several catenated single modules and the recorded acoustic data are transmitted to the control computer with the Ethernet protocol. This makes the length of the streamer cable, and the number of hydrophones, flexible. For instance, we can use both single-channel and multi-channel streamers in the same system. Up to 24-channels can be catenated.
Keywords: deep-towed; seismic streamer; seismic profile; Multi-Channel Seismic (MCS); high-resolution; highly flexible deep-towed; seismic streamer; seismic profile; Multi-Channel Seismic (MCS); high-resolution; highly flexible

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MDPI and ACS Style

Yamazu, T.; Haraguchi, K.; Inoue, T.; Arai, K. Development of a Highly Flexible and High-Resolution Deep-Towed Streamer. J. Mar. Sci. Eng. 2019, 7, 254. https://doi.org/10.3390/jmse7080254

AMA Style

Yamazu T, Haraguchi K, Inoue T, Arai K. Development of a Highly Flexible and High-Resolution Deep-Towed Streamer. Journal of Marine Science and Engineering. 2019; 7(8):254. https://doi.org/10.3390/jmse7080254

Chicago/Turabian Style

Yamazu, Toshio, Koshi Haraguchi, Takahiko Inoue, and Kohsaku Arai. 2019. "Development of a Highly Flexible and High-Resolution Deep-Towed Streamer" Journal of Marine Science and Engineering 7, no. 8: 254. https://doi.org/10.3390/jmse7080254

APA Style

Yamazu, T., Haraguchi, K., Inoue, T., & Arai, K. (2019). Development of a Highly Flexible and High-Resolution Deep-Towed Streamer. Journal of Marine Science and Engineering, 7(8), 254. https://doi.org/10.3390/jmse7080254

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