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Geophysical and Geochemical Exploration  2024, Vol. 48 Issue (2): 411-427    DOI: 10.11720/wtyht.2024.1304
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Advances in research on the distributed optical fiber acoustic sensing system in the field of geophysical exploration
ZHOU Shao-Yu1(), BAO Qian-Zong1,2,3(), SHI Wei4,5
1. School of Geological Engineering and Surveying, Chang’an University, Xi’an 710054,China
2.Key Laboratory of Mine Geological Disaster Mechanism and Prevention, Ministry of Natural Resources, Xi’an 710054,China
3. National Engineering Research Center for Offshore Oil and Gas Exploration, Xi’an 710054,China
4. Shaanxi Engineering Technology Research Center for Urban Geology and Underground Space, Xi’an 710068, China
5. Shaanxi Hydrogeolog Engineering Geology and Environment Geology Survey Center, Xi’an 710068, China
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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 wordsdistributed acoustic sensing technology      geophysical exploration      literature research      result summary     
Received: 11 July 2023      Published: 16 April 2024
ZTFLH:  P631  
Corresponding Authors: BAO Qian-Zong     E-mail: 429563289@qq.com;qzbao@chd.edu.cn
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Shao-Yu ZHOU
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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
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