Browse Items (400 total)

  • Collection: Leak Detection and Monitoring

The oil and gas industry owns expensive and widely-spread assets. Any fault in this complex transportation network may result in accidents and/or huge losses thereby triggering various environmental and economic issues. Thus, real-time monitoring and…

Within any country, the safety of the citizens is a major concern. Since LPG is highly flammable and can create dangerous situations in life. To avoid such situations, this system modifies the existing safety system of LPG leakage detection. The…

In recent years, gas leaks have become a major problem in households that use household gas, so we have developed the proposed gas leak detection and monitoring system. An LPG leak-detecting system prevents risks like gas cylinder explosions. Given…

Field-pipelines leakage detection based on the negative pressure wave theory is mainly aiming to effectively process pressure sample signal in time domain. Previous methods often perform well for detecting large leakage but poorly for small leakage.…

Leakage accidents in oil transmission pipelines not only cause loss of material, but also bring about hidden troubles for people's property and the environment. Pipeline leakage accidents occur frequently in recent years, particularly in those…

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…

Pipelines are one of the most common systems for storing and transporting petroleum products, both liquid and gaseous. Despite their durable structures, leakages can occur for many reasons, causing environmental disasters, energy waste, and, in some…

It was important to detect the leaking of natural gas pipeline whether leakage happened, the comprehensive and comparative analysis of various methods of leak detection indicated that most common detection method which was difficult to identify and…

With the increase of the age of the transport oil pipeline, leakages caused by corruption are often found. The public is paying more and more attention to the problems of environmental pollution and economic loss brought by leakage, so a detection…

In order to put an end to rampancy rob oil, reduce losses and protect normal work of oil management department, it is necessary to detect the occurrence of leak immediately and locate the exact leak position. For negative pressure cause by leak will…

Well casing integrity is vital for the safe operations of oil wells, and also significant to detect well casing defects. Magnetic Flux Leakage (MFL) Detection Technology is widely-used in detecting the defects of various pipelines. Owing to the very…

A novel photoacoustic spectrometer (PA) has been developed for in-situ detection of SF/sub 6/ leaks in low concentrations. The developed system is equipped with a sound alarm system and has been tested in the laboratory for very minute SF/sub 6/…

Pipeline systems are widely applied in the areas of power, chemistry and petroleum. Model-based leak detection methods for the pipeline systems get more and more attentions. Among these model-based methods, the state observer and state feedback based…

In connection with extensive world-wide development of transporting gas networks the problem of the gas leakage detection on the underwater gas pipes becomes rather actual. The present paper is devoted to the solution of the problem of underwater gas…

Modern SCADA systems have many sophisticated features, such as distributed architecture, distributed database, GUI interfaces, intelligent RTUs, etc. that are the results of advances in many technologies. Oil pipeline SCADA systems provide operators…

Because of kinds of regulating commands, Oil and gas pipelines in operation can occasionally generate a series of conditions consisting of stopping transportation, starting transportation, distribution, increment, internal pump regulation of single…

For the method of magnetic flux leakage testing, the evaluation of test results is based on the detected signals. The quality of evaluation is affected by the quality of the signals. The signals of magnetic flux leakage are often influenced by…

Hydrogen sulfide (h2s) leakage and dispersion from a sulfide recycle installation in different wind speeds are simulated by implementing a 3D Computational Fluid Dynamics (CFD) model. h2s concentrations of monitor points which represent dispersion…

The control and managing of pipelines have been assuming a major importance for all kinds of fluids to be conveyed through. When the fluid is like oil, harmful liquid and/or water for human beings necessity, the monitoring of pipelines becomes…

The paper deals with the comparison of different mathematical models with regard to their usage in the model-based leak-monitoring scheme. The pipeline is represented as a two-port system. Three models are compared: a nonlinear distributed parameters…

Using data mining's decision tree classification, DBSCN cluster analysis, and K-nearest neighbor algorithm realizes the information mining of natural gas pipeline leak, and alse uncovers the objective laws behind the natural gas pipeline…

The presented initiative aims at the development of a low cost and low energy wireless sensor system for the immediate detection of leaks in metallic piping systems for the transport of liquid and gaseous petroleum products in a noisy industrial…

The use of minicomputers as part of a product metering system is new and relatively expensive. The use of minicomputers is discussed from the following: 1) its advantage, practical limitations and disadvantages

Leakage is the most important factor for unaccounted losses in any pipe network around the world. However, most state of the art leak detection systems have limited applicability, lack in reliability and/or depend on user experience for data…

One of the crucial and challenging issue with the use of Wireless Sensor Network (WSN) for monitoring pipelines, detecting and locating leaks is that of energy saving. With the use of real-time acquisition using heterogeneous sensors, communication…

In this paper, we introduce an oil leak detection system based on video surveillance built on a petroleum platform or an island in the sea. Video surveillance can offer real-time monitoring by means of data acquisition, storage, transmission and…

The risk for accidental leaks of hydrocarbons from pipelines on the seabed is expected to increase due to mainly corrosion effects. To assure uninterrupted hydrocarbon production, and to avoid conflicts with expected more strict environmental…

Liquefied petroleum gas (LPG) is commonly used for heating, cooking, automotive power, and various other uses worldwide. LPG is a particularly flammable gas, and LPG leaks cause significant incidents. The cause may arise from improper installation to…

Liquefied Petroleum Gas is commonly called LPG. LPG became an unavoidable one in day-to-day life. The enormous applications include domestic applications like heating and cooking purposes and industrial applications like vehicle propellant and…

Liquefied Petroleum Gas (LPG) is highly inflammable and can burn even at some distance from the source of leakage. One of the preventive actions to avoid the danger associated with gas leakage is to install a gas leakage detector at suitable…

Air pollution is one of the environmental challenges that have received a lot of discussion. The creation of a method to lessen air pollution. The suggested system includes a carbon monoxide (CO) sensor, a sensor for liquid petroleum gas (LPG), a GPS…

LPG (Liquefied Petroleum Gas) gas is the primary source of energy in most households. Recently LPG gas leak has cause significant fire hazard accident and losses. This present work investigates the sensitivity of gas sensor MQ2 and MQ6 hence…

The problem of gas leakage and fire is often encountered in our day-to-day life. LPG, Liquified Petroleum Gas, is highly flammable gas used as fuel in heating appliances. Leakage of this gas raises the risk of building fire, suffocation or an…

In this paper, we have proposed a Liquefied Petroleum Gas (LPG) monitoring and leakage detection system. With the large demand and use of LPG, this system would be helpful to monitor the usage of LPG on a regular basis and to alert about any hazards…

Through a comprehensive and aggressive research program, the Consolidated Edison Company of New York, Inc. (Con Edison) has designed, developed and installed several new products to address the environmental impact of leaked dielectric fluid from…

Since the pressure fluctuation signals are masked by noise and can not be detected, the oil pipeline leakage detection method is not satisfactory on small leakage problem, without more accurate warning and location. This paper uses discrete wavelet…

Field-pipeline operations are more easily affected by complex environment in comparison of common long-distance pipeline. Its failures such as leakage demand to be dealt with more urgently and efficiently. This paper proposes a leakage detection…

This paper presents a custom designed in-pipe inspection robot that is developed for a pipe of diameter 0.203 m, commonly found in the oil and gas industry. Several pressure sensors are incorporated on board the robot that are used for detecting…

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

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…

With the rapid growth of the Internet-of-Things (IoT), security issues for the IoT are becoming increasingly serious. Memory leaks are a common and harmful software defect for IoT programs running on resource-limited devices. Static analysis is an…

Temperature and pressure variations have important significance in environmental protection and safety operation of oil reservoir in salt caverns. Shrinkage of salt caverns, effect of permeability and fluid thermal pressurization rate were discussed…

Leakage is the most important factor for unaccounted losses in any pipe network around the world. However, most state-of-the-art leak detection systems have limited applicability, lack in reliability and depend on user experience for data…

In this paper, an algorithm for gas pipeline leak detection based on Hilbert-Huang transform(HHT) studied. And both Fourier transform and HHT transform can be used to decompose pipeline leakage signals. The results that Fast Fourier Transform(FFT)…

As the size of motors being manufactured increases, the issue of motor cooling becomes more and more critical. The high ambient temperature and the severe corrosive environment of many locations in the Chemical, Oil & Gas (COG) industry, in addition…

A pipeline detection & location system with 2% resolution of the total flow was designed and widely applied in long range crude and product oil transmission pipeline in China. It responses to a leak in 3 minutes and its location precision is lower…

This paper presents an approach for detecting, locating and estimating the size of leak in a pipeline using pressure sensors, differential pressure sensors and flow-rate sensors. To overcome the problem with existing approaches we use differential…

Because of the problems that low location positioning accuracy and more number of iterations of traditional artificial intelligence algorithms that applied to detect the gas leakage. This paper proposes a distribution estimation algorithm based on…

Many methods have been proposed for leak detection in pipelines. The method based on the acoustic signals created by the leakage is a non-destructive method and has presented reliable results. However, applying such a method in noisy environments is…
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