基于光纤Bragg光栅的油气工业实时监测技术研究进展

 光纤Bragg 光栅(FBG)是近年发展起来的一种实时高精度监测技术,具有耐高温高压、抗电磁干扰、易于复用与可组网等独特优点,成为油气领域最具前景的监测手段.介绍了FBG 传感技术的发展历程、工作原理,重点分析了全球油气工程中管道完整性监测、油气测井、地震勘探方面的最新应用现状;探讨了目前FBG 传感器在油气田复杂环境条件下实时监测存在的问题,并就未来发展趋势进行展望.

Progress on real-time monitoring technology in oil and gas industry based with fiber Bragg grating sensing

FBG (fiber Bragg grating) has been used to develop a kind of high precision and real-time monitoring technology, which possesses some unique advantages of high temperature and high pressure endurance, resistance to electromagnetic interference, ease of reuse and networking, etc. Obviously, it is bound to become the most promising monitoring method in oil and gas field, including carbon geological utilization and storage, acid gas injection, and earthquake net-working. In this paper, a development history and working principle of FBG are presented firstly, and the latest application status of FBG sensors in pipeline integrity monitoring, logging, seismic exploration is analyzed. Then, some key issues on real-time monitoring under complex environment conditions are discussed, and finally, development and application trends are put forward.