Method for oil pipeline leak detection based on distributed fiber optic technology

Huabo Chen; Yaqing Tu; Ting Luo

doi:10.1117/12.318150

13 August 1998 Method for oil pipeline leak detection based on distributed fiber optic technology

Huabo Chen, Yaqing Tu, Ting Luo

Proceedings Volume 3555, Optical and Fiber Optic Sensor Systems; (1998) https://doi.org/10.1117/12.318150
Event: Photonics China '98, 1998, Beijing, China

Abstract

Pipeline leak detection is a difficult problem to solve up to now. Some traditional leak detection methods have such problems as high rate of false alarm or missing detection, low location estimate capability. For the problems given above, a method for oil pipeline leak detection based on distributed optical fiber sensor with special coating is presented. The fiber's coating interacts with hydrocarbon molecules in oil, which alters the refractive indexed of the coating. Therefore the light-guiding properties of the fiber are modified. Thus pipeline leak location can be determined by OTDR. Oil pipeline lead detection system is designed based on the principle. The system has some features like real time, multi-point detection at the same time and high location accuracy. In the end, some factors that probably influence detection are analyzed and primary improving actions are given.

Citation Download Citation

Huabo Chen, Yaqing Tu, and Ting Luo "Method for oil pipeline leak detection based on distributed fiber optic technology", Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); https://doi.org/10.1117/12.318150

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