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

山东科学 ›› 2017, Vol. 30 ›› Issue (5): 55-61.doi: 10.3976/j.issn.1002-4026.2017.05.010

光纤分布式地震波探测系统及其布设优化研究

杜青臣，王晨*，尚盈，刘小会，赵庆超，曹冰，赵文安，倪家升，王昌

山东省光纤传感技术重点实验室，山东省科学院激光研究所，山东济南 250014

收稿日期:2017-05-31 出版日期:2017-10-20 发布日期:2017-10-20
作者简介:杜青臣（1960—），男，实验师，研究方向为光纤地震检波传感。
基金资助:
山东省科技发展计划（2014GGX103019，2014GGX103005）

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

DU Qing-chen, WANG Chen*, SHANG Ying, LIU Xiao-hui,ZHAO Qing-chao, CAO Bing,ZHAO Wen-an, NI Jia-sheng, WANG Chang

Shandong Provincial Key Laboratory of Optical Fiber Sensing Technologies, Laser Institute ， Shandong Academy of Sciences, Jinan 250014, China

Received:2017-05-31 Online:2017-10-20 Published:2017-10-20

摘要/Abstract

摘要：

应用光纤分布式声波检测与干涉探测技术，设计了一种用于油气勘探开发的光纤分布式地震波探测系统，并在埋地布设的基础上提出光缆附加尾椎的布设优化方案。野外现场测试结果表明，系统能够完整探测到地震波沿光缆的分布情况，波形特性与传统电子动圈传感器相似，埋地式布设最远探测距离20 m，尾椎式布设最远探测距离10 m，该研究为系统的实际应用提供了必要的理论和实验依据。

关键词: 分布式光纤传感, 相位敏感光时域反射技术, 地震波探测, 干涉技术

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

中图分类号:

TP212.9

杜青臣，王晨，尚盈，刘小会，赵庆超，曹冰，赵文安，倪家升，王昌. 光纤分布式地震波探测系统及其布设优化研究[J]. 山东科学, 2017, 30(5): 55-61.

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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光纤分布式地震波探测系统及其布设优化研究

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

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