Accurate and fast leak detection and leak localization are critical functions for pipelines. In addition to the economic reasons for leak detection, there are also environmental constraints. Fast acting and reliable leak detection and leak location…
Gas pipeline leakage will lead to great economic losses. So, the study of leak detection on gas pipelines is very important. A leak detection method based on Hilbert-Huang transform (HHT) has been proposed. First, the signal is transformed via HHT,…
The leak of gas pipelines can be detected and located by the acoustic method. The technologies of recognizing and extracting wave characteristics are summarized in details in this paper, which is to distinguish leaking and disturbing signals from…
In order to study a new leak detection and location method for oil and natural gas pipelines based on acoustic waves, the propagation model is established and modified. Firstly, the propagation law in theory is obtained by analyzing the damping…
When a gas pipeline leaks, the leak aperture and its position cannot be easily identified. This paper proposed a leak aperture recognition and location method based on root mean square (RMS) entropy of local mean deposition (LMD) and Wigner–Ville…
Pipelines are mainly used to transport crude and refined petroleum, such as natural gas, worldwide. Monitoring pipeline health condition at offshore locations is challenging. Despite several attempts to develop leak detection systems, few can…
This chapter describes the use of a real-time transient model (RTTM) as a basis for leak detection. An RTTM is a general term with many possible implementations. Implementation details such as the selection of input data (boundary conditions),…
In order to study the fundamentals of leak detection and location for natural gas pipelines based on acoustic method, the propagation model of leakage acoustic waves is established and modified. First, the wave equations of leakage acoustic waves are…
The problems of measuring leak detection technology-based system performance and formally testing and tuning them are discussed here. We begin by specifying metrics used to quantify the system performance. These include measurements that define the…
Natural gas is a vital energy carrier that can serve as an energy source for domestic and commercial applications by supplying electricity and heating through pipeline systems. Natural gas pipelines are extremely vulnerable to leakages, and leaked…
The leak of gas pipelines can be detected and located by the acoustic method. The technologies of recognizing and extracting wave characteristics are summarized in details in this paper, which is to distinguish leaking and disturbing signals from…
The paper proposes a method of passive leak detection for underwater pipelines by means of phased antenna arrays. It implies element-wise multiplication and addition of the output signals of individual array transducers. The proposed method provides…
Pipelines are mainly used to transport crude and refined petroleum, such as natural gas, worldwide. Monitoring pipeline health condition at offshore locations is challenging. Despite several attempts to develop leak detection systems, few can…
This chapter describes the use of a real-time transient model (RTTM) as a basis for leak detection. An RTTM is a general term with many possible implementations. Implementation details such as the selection of input data (boundary conditions),…