Browse Items (400 total)

  • Collection: Leak Detection and Monitoring

The pipeline leakage problem is a very challenging and critical issue. Solving this problem will save the nation a lot of money, resources and more importantly, it will save the environment. This paper discusses the state of the art of leak detection…

An overview of classical leak detection systems is given and the engineering basis of a novel type of detector is examined. This system is a flexible hydrocarbon-sensing cable that can be installed along pipelines, in double-containment tanks and…

The performance monitoring of energy storage pipelines has been investigated using efficient optical strain sensors. Leakage and corrosion are major hazard that occur in underground energy storage pipelines due to cracks, drilling, geohazards and…

Factors causing pollution both water and air and fires can be caused by the pollution of liquefied petroleum gas (LPG) that comes from gas network leaks from National gas Company (PGN) to households. For National gas Company (PGN) due to LPG gas…

In the report the problem leakage detection of petroleum and gas from trunking pipelines is solved. The basic questions for the detection of the fact of occurrence of leakage and definition of a place of its occurrence are presented. Their…

Since the high accuracy of the leakage detection can not be achieved at present, singularity analysis based on wavelet transform is adopted to analyze the pressure signals of the oil pipeline and then get the singularity points. To locate the…

Pipeline leak detection has attracted great research interests for years in the energy industry. Continuous pressure monitoring is one of the most straightforward approaches in leak detection which utilizes pressure point analysis (PPA) algorithms to…

Frequently occurred oil leaking accidents can induce significant damage to the ocean ecosystem and environment. Integrated buoy sensing, which functions as a tool for periodically monitoring oil existence, plays an essential role in oil leakage…

Gas leakage is a major problem which causes vulnerable accidents in the domestic areas, residential premises, industrial sector, etc. Among many other applications, home Security is one of the major concerns due to the increase usage of LPG…

A VLSI implementation of a data acquisition system processor for failure detection and location inside oil pipelines is presented. The DAQP02 prototype is capable of reading and storing information inside pipelines. With support for two analog…

Wireless sensor networks (WSN) provide a powerful solution to the task of monitoring the operational conditions of buried and non-buried pipes of different lengths and materials. Due to the limited energy stored in the sensor nodes, the use of…

Based on inverse hydraulic-thermodynamic transient analyses and on an improved particle swarm optimization (PSO), a leak detection and localization method is proposed for liquid pipelines. The finite volume method is employed to numerically model the…

For solving the problem of discriminating leaks and valve adjusting operations in leak detection of oil pipeline based on Dynamic Pressure Transducer (DPT). In this paper, the Fuzzy Neural System (FNS) based chaos time series prediction method is…

Memory leak is a situation when the memory taken up by dynamically allocated objects is not deallocated after its use. Memory leak is a serious problem in embedded systems as they are memory constrained devices. This can also be a serious problem in…

The Gas Leak Detection and Location System is based on ZigBee Wireless Sensor Networks (WSN), it is used on production safety for the Petrochemical Industry. Gas-sensitive sensors and ZigBee WSN are used in this system. ZigBee is reliable, low-cost,…

According to the problems of pipeline leak detection existed in oil transport, a testing and positioning method based on wavelet packet and BP neural network is proposed. A Db4 wavelet packet is used to filter the noises of pressure signals, and…

As negative pressure wave is applied to leak detection and location of natural gas pipeline, the key is how to realize accurate measurement of propagation velocity of pressure wave and time difference. However, there exists problem of lower accuracy…

The integrity of oil pipeline is always a major concern to the operators and public, so the supervisory control and data acquisition system have become a essential part of modern long distance oil pipeline operations today. The general framework of…

Leak detection of oil pipelines is an important issue for safe operation of pipelines, reducing oil loss and environmental pollution. A new approach based on principal component analysis (PCA) method to detect leaks of oil pipelines is proposed in…

Leak detection in oil pipelines is important for safe operation of pipelines. Negative Pressure Wave (NPW) in pressure curve can be an indication of leakage of a pipeline. In this paper, we propose to use the support vector machine (SVM) learning to…

With the development of science and technology, the Internet of things technology has been gradually applied to various fields, it has become one of hot spot after the computer, the Internet and mobile communication technology. This paper focuses on…

In this paper, a method for leak detection in industrial pipelines during normal operation, is proposed. An accelerometer set on the surface of the pipe was used for the data acquisition. The system, via adapting filtering detects the frequency bands…

This work proposes a leak detection system using sonic technology, wavelet transform and neural networks to decompose and analyze pressure signals from oil pipelines in real time. The similarity between pressure and sound signals makes it possible to…

This paper introduces a practical teleoperated manipulator under nuclear radioactive environments. The system, called RoboSource herein, is designed to perform the leak detection of sealed gamma and neutron radioactive sources used for oil well…

Air pollution is a severe health issue in today's contemporary world. In India, at least 40 million people breathe unsafe air (i.e. 10 times or more over the WHO safe limits). The main sources of air pollution are well known - emissions are from cars…

This paper studies the design of leak detection design for oil pipeline based on image recognition technology. The basic steps of the process are as follows: Firstly, by using the image processing function of MATLAB software, the oil pipeline images…

Pipelines are one of great important components for gas and petrochemical industries. Normally, they are used to transport gas by hundreds or even thousands of miles. It is a momentous task to keep the gas pipeline under safety operation. Leak…

In the case of aerial accident spreading out dangerous gases into the atmosphere, an instrument called electronic nose can warn about the beginning of petroleum derived leaks. In this paper we present the architecture of the neural network for…

The monitoring of oil pipeline is an important task for economical and safe operation, loss prevention and environmental protection from crude oil emission. A leak detection of oil pipeline, therefore, plays a key role in the overall integrity…

This paper describes an automatic oil leak detection system which can detect accidental oil leaks at an early stage by continuously and remotely monitoring the underground tank that stores oil for standby engine generators. The engine generator is a…

Some examples of leaks occurring in pipelines are considered, and an overview of classical leak detection systems and the engineering basis of a novel type of detector system are given. The hydrocarbon sensor system consists of an alarm module and…

LPG gas is one of the household things in daily life. The decree of the Ministry of Energy and Mineral Resource number 1971/26/MEM/2007 dated May 22, 2007 contains the requirement of the conversion from the petroleum (kerosene) into LPG as an effort…

Developments of technology along with human work is growing, making the role of technology as an optimization effort in helping human work is needed. One of the technologies that is developing is Internet of Things or commonly abbreviated as IoT.…

The fluid behavior in a pipeline of Liquefied Petroleum Gas (LPG)-according to the principles of conservation of mass and momentum-is governed by a set of Partial Differential Equations (PDE). In this work, such equations are modified with the…

A novel sensor-based approach for leak detection of oil pipeline is proposed. The approach uses piezoelectric sensor in dynamic pressure transducer. The key to the detection algorithm is the use of the characteristic of piezoelectric sensor: when…

Leakage from oil tanks occurs unexpectedly, which may lead to serious environmental threats and economic loss. There is increasing demand to develop a method that can detect leakage accurately with a low probability of false alarm and a high…

Static pressure method and dynamic pressure method were commonly used in pipeline leak detection. Advantages and disadvantages of the two methods were analyzed and a dynamic pressure sensor was designed for long-range oil and gas transmission…

A practical automatic system called ALDS (automatic leak detection system) is presented in this paper, which is implemented for leak detection of sealed radioactive sources used for oil well logging in oilfields. This ALDS is able to accomplish the…

One of the safest ways for transporting fluid materials, such as natural gas, petroleum products, water etc., is the use of pipelines. However, a major problem in pipeline systems is the occurrence of leaks, which result in many environmental…

This paper expounds the potential safety hazard of natural gas pipeline leakage, and briefly summarizes the means and defects of pipeline leak detection recently. A acoustic detection method of natural gas pipeline leak based on adaptive filtering…

In a petroleum refining plant, the high-pressure gas leaks resulting from equipment failures may lead to disasters. To minimize these disasters, technology for the early detection of leak sound is indispensable. We have employed chaos theory to…

Transmission Pipelines (TP) are large pipelines covering long distances that carry refined petroleum products for production sites to different states, countries, and continents. TPs are high-pressure pipelines, as such, they are subject to failure.…

In recent times the oil and gas industry is following the trend of digital transformation. The digital transformation includes implementing innovative solutions to improve and control the assets of the Oil and Gas companies with more reliable and…

A new time-frequency analysis method of Hilbert-Huang transform applied in Pipeline leak detection is proposed. Choosing the negative pressure wave signal from dynamic pressure transmitter as research object, the dynamic pressure signal is decomposed…

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,…

This paper presents an automated monitoring solution for the process of transportation crude oil and petroleum products through pipelines. The proposed system has a hierarchical, partially distributed architecture, based on microcontrollers systems…

The aim of this paper is to present a secure wireless sensor network-based infrastructure for fast and accurate detection of eventual leaks that might occur in multiphase pipelines (i.e., pipelines which carry simultaneously more than one fluid). The…

Petroleum industry has started to embrace the advanced Petroleum Cyber-Physical System (CPS) technologies. Offshore petroleum CPS is particularly difficult to build, mainly due to the challenge in detecting and preventing offshore oil leaking. During…

The petroleum products leakage from the storage tank bottom could not be discovered in time without store contents emptied out because of the bottom not being accessed easily and the amount of leakage in the beginning being too small to be detected…

It is well known that the work condition of pipeline, the leak included, can be identified by a pressure signal analysis. Because of the high frequency data collection and always on-line pipeline leak detection, the pressure signal brings up massive…
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