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A review on different pipeline fault detection methods
Institution:1. College of Electronic Information and Automation, Tianjin University of Science & Technology, No. 1038 Dagu Nanlu, Hexi District, Tianjin 300222, PR China;2. State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, PR China;3. Beijing Electric Power Economic Research Institute, No. 15, Guanganmen Station West Street, Xicheng District, Beijing 100055, PR China;1. Brunel Innovation Centre, Brunel University, Uxbridge, Middlesex UB8 3PH, UK;2. School of Engineering and Design, Brunel University, Uxbridge, Middlesex UB8 3PH, UK;3. Department of Mechanical Engineering, University of Sheffield, Sheffield S1 3JD, UK;1. School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, PR China;2. School of Science, Southwest Petroleum University, Chengdu 610500, PR China;1. College of Pipeline and Civil Engineering in China University of Petroleum (East China), Qingdao 266580, China;2. Sinopec Qingdao LNG Co.,Ltd, Qingdao 266400, China;3. Key Laboratory of Qingdao Oil and Gas Storage and Transportation Technologies, China;4. Key Laboratory of CNPC Heavy Gas Transportation and LNG Technologies, China;1. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China;2. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, China;1. College of Information and Control Engineering, China University of Petroleum, Qingdao 266580, China;2. Colorstone Leakage Supervisory Technology Company, Dongying 257000, China
Abstract:Pipeline faults like leakage and blockage always create problem for engineers. Detection of exact fault quantity and its location is necessary for smooth functioning of a plant or industry and safety of the environment. In this paper brief discussion is made on various pipeline fault detection methods viz. Vibration analysis, Pulse echo methodology, Acoustic techniques, Negative pressure wave based leak detection system, Support Vector Machine (SVM) based pipeline leakage detection, Interferometric fibre sensor based leak detection, Filter Diagonalization Method (FDM), etc. In this paper merit and demerits of all methods are discussed. It is found that these methods have been applied for specific fluids like oil, gas and water, for different layout patterns like straight and zigzag, for various lengths of pipeline like short and long and also depending on various operating conditions. Therefore, a comparison among all methods has been done based on their applicability. Among all fault detection methods, Acoustic reflectometry is found most suitable because of its proficiency to identify blockages and leakage in pipe as small as 1% of its diameter. Moreover this method is economical and applicable for straight, zigzag and long, short length pipes for low, medium and high density fluid.
Keywords:Pipeline  Fault detection methods  Overview  Leakage and blockage  Safety
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