光纤分布式地震波探测系统及其布设优化研究

doi:10.3976/j.issn.1002-4026.2017.05.010

Abstract

Abstract:

In this paper, a new type of distributed fiber seismic wave detection system for oil and gas exploration was designed. And based on buried layout mode, the advanced practical layout optimization scheme of adding caudal vertebrae to optical cable was put forward. Field test results showed that the system could completely detect the distribution of seismic waves along the cable and the waveform characteristics were similar to those of traditional electronic dynamic sensors. The buried layout mode has the maximum detection distance of up to 20 m and the maximum distance of the caudal vertebral layout mode can reach 10 m. The research provides necessary theoretical and technical support for the extensive application and transformation of the new system.

Key words: distributed fiber sensing, interferometry, seismic wave detection, phase sensitive optical time domain reflectometry

CLC Number:

TP212.9

DU Qing-chen, WANG Chen, SHANG Ying, LIU Xiao-hui,ZHAO Qing-chao, CAO Bing,ZHAO Wen-an, NI Jia-sheng, WANG Chang. Study on distributed fiber seismic wave detection system and its layout optimization[J].SHANDONG SCIENCE, 2017, 30(5): 55-61.

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Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), which permits third parties to freely share (i.e., copy and redistribute the material in any medium or format) and adapt (i.e., remix, transform, or build upon the material) the articles published in this journal, provided that appropriate credit is given, a link to the license is provided, and any changes made are indicated. The material may not be used for commercial purposes. For details of the CC BY-NC 4.0 license, please visit: https://creativecommons.org/licenses/by-nc/4.0

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Study on distributed fiber seismic wave detection system and its layout optimization

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