本文针对目前常规的井温测量方法中存在的不足,提出了利用光纤测温技术进行油田测井,论述了光纤测温的基本原理和系统组成,通过该技术在油田的应用,证明了该技术使用方便,可以在恶劣的环境下对复杂的温度场进行实时快速的检测和定位,具有传统井温测量方法无可比拟的优势,决定了其在油田测试领域具有广阔的应用前景。 In this paper, in view of the shortcomings of the conventional well temperature measurement methods, the paper put forward the method of optical fiber temperature measurement for well logging, discussed the basic principle and system composition of optical fiber temperature measurement. Through the application of this technology in oilfields, The utility model has the advantages of convenient operation, real-time and rapid detection and location of complicated temperature field in harsh environment, has the incomparable advantage of the traditional well temperature measurement method, and has determined the broad application prospect in the oil field test field.