Article

Comparative Study of Online Detection Methods for Small Pipeline Leaks

Oil and Gas Storage and Transportation Engineering, School of Petroleum and Natural Gas Engineering, LiaoNing Petrochemical University, Fushun 113001, China

https://doi.org/10.58531/ijest/3/3/1

Received: 20 July 2025 / Accepted: 15 August 2025 / Published: 18 August 2025

Small leaks in pipeline systems, though less dramatic than major ruptures, pose significant long-term threats to safety, environmental health, and operational efficiency. Early detection is critical, and various online (real-time) detection techniques have been developed to address this challenge. This paper presents a comparative study of three major classes of online leak detection methods: model-based, signal processing-based, and hardware-based systems. Performance is evaluated based on sensitivity, cost, real-time capability, and maintenance requirements, with supporting data and a comparative bar chart for illustration.

Pipeline leak detection; Small leaks; Online monitoring; Comparative analysis

Zhao Y. Comparative Study of Online Detection Methods for Small Pipeline Leaks. Int. J. Eng. Sci. Technol., 2025, 3(3), doi: 10.58531/ijest/3/3/1

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