分布式光纤声学传感系统在地球物理勘探领域内的研究进展

doi:10.11720/wtyht.2024.1304

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Abstract

Distributed acoustic sensing (DAS) technology, one of the most advanced sound field detection technologies, can achieve distributed, long-distance, and high-precision real-time detection of the ambient vibration and sound field information interacting with optical fiber. The optical fiber exploration system of the DAS technology solves the problems of high cost and deployment difficulty of conventional geophones in complex geological environments. In recent years, the DAS technology has experienced rapid development, especially in monitoring application scenarios that require long-term and large-scale deployment. However, its systematic understanding is insufficient due to divergent research results. To further understand the research advances of the DAS technology in geophysical exploration for more effective subsequent research, this study systematically classified and summarized the development history of the DAS technology and its recent research results in geophysical exploration based on the oil and gas, marine, and environmental engineering application scenarios through literature research. This study focused on the development process of the DAS technology in different directions, the research advances in data processing, and relevant literature with specific results. Finally, this study generalized the development trend and urgent problems of the DAS acquisition system, analyzing the DAS development prospect.

Key words： distributed acoustic sensing technology geophysical exploration literature research result summary

Received: 11 July 2023 Published: 16 April 2024

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P631

Corresponding Authors: BAO Qian-Zong E-mail: 429563289@qq.com;qzbao@chd.edu.cn

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	Shao-Yu ZHOU
	Qian-Zong BAO
	Wei SHI

Cite this article:

Shao-Yu ZHOU,Qian-Zong BAO,Wei SHI. Advances in research on the distributed optical fiber acoustic sensing system in the field of geophysical exploration[J]. Geophysical and Geochemical Exploration, 2024, 48(2): 411-427.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2024.1304 OR https://www.wutanyuhuatan.com/EN/Y2024/V48/I2/411

Trend of publication year

Number of publications by country or region (data from: Web of Science)

Comparison of the main literature types and the number of the same types

Comparison of research direction and literature quantity

Database literature clustering map (data from: Web of Science)

Database document time map (data from: Web of Science)

Database document time map (data from: CNKI)

Database Literature Clustering Map (data from: CNKI)

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Schematic diagram of three sensors^[9]

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Surface seismic profile (left) and DAS Walkaway VSP image inserted along Walkaway VSP survey line (right)^[33]

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Comparison of sand addition and gas production in each section^[42]

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Velocity model of FORGE estimated by the neural network^[60]

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Power spectral densities (PSD) of the same signals of the DAS measurement and the hydrophone comparing with the ambient noise between the air-gun shots^[65]

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An example of DAS massive data event detection based on small sample set^[75]

DAS technology will provide new geophysical methods

Changes to DAS technology brought about by artificial intelligence

Application of DAS technology in CCUS

Application of DAS technology in the field of environmental safety monitoring

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