Recent technologies for leak Detection in Pipeline: A review

Pipeline systems are usually deployed for transporting liquid (e.g., oil, water) in the long run and for a long span. However, with time, they tend to degenerate. Numerous reasons lead to damage to these systems. It is essential to detect and identify the location of leakages timely as it can be dangerous. The new technologies (e.g., Internet of Things, machine learning) is now being employed to detect a leak in pipelines autonomously. In this paper, attempts have been made to study the pipelines' health monitoring systems to ensure their continuous functionality. For this purpose, several pipeline leakage detection methods have been reviewed here. Moreover, the challenges associated with various pipeline health monitoring methods have been identified. Additionally, some of the recent case studies employing Internet of Things technology, robot, and polyvinylidene-fluoride wire sensors have been discussed. It is expected that the outcome of this article will be quite useful for assessing the status of the working of the pipeline system, especially in terms of leakage for any project in the-future.