分布式光纤测井原理分析与研究

Analysis and Research on Distributed Fiber Optic Sensing Principle

分布式光纤测井技术在地下资源勘探中具有重要应用价值,因其高精度、快速测量和实时监测地下动态变化等优势。基于此,深入分析了分布式光纤测井技术,主要包括基于瑞利散射的DAS原理、基于OTDR技术的DTS测温原理。随着科技进步和应用需求增长,该技术将在能源开发中发挥更重要作用。

Distributed fiber optic sensing technology has significant application value in underground resource exploration due to its advantages of high precision,rapid measurement,and real-time monitoring of underground dynamic changes.This paper provides an in-depth analysis of distributed fiber optic sensing technology,focusing primarily on the principles of Distributed Acoustic Sensing(DAS)based on Rayleigh scattering and Distributed Temperature Sensing(DTS)based on Optical Time Domain Reflectometry(OTDR)technology.With the advancement of technology and the growing demand for applications,this technology will play a more important role in energy development.