Leak Detection and Monitoring

Title

Leak Detection and Monitoring

Collection Items

In Part-I of this two part paper, a method is proposed for on-line leak detection and identification in gas pipeline networks using flow and pressure measurements. Simulations on two illustrative networks were used to demonstrate the applicability of…

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Many contaminated subsurface sites cannot be economically decontaminated due to the limitations in the existing technology. The most viable approach in such cases is to prevent further spread of contamination. Therefore, in parallel to remediation…

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Quartz-enhanced photoacoustic spectroscopy represents a valuable candidate for natural gas analysis in the oil & gas field. The core element of this spectroscopy technique is a quartz tuning forks, employed as high quality-factor optoacoustic…

An unmanned aerial vehicle (UAV), popularly known as a drone, is an aircraft without a human pilot aboard. Recent developments in sensor technology and navigation systems have made drones a powerful and reliable basis for professional data…

This paper examines the use of inspections and warnings to enforce environmental regulations. An empirical model of petroleum storage inventory reconciliation regulations is developed based on a state-dependent penalty system. I estimate a two-stage…

As one of the major energy-intensive industries, petroleum pipelines are facing with huge pressure from carbon-neutral policies. Conforming to green development, the traditional pipeline industry should advance intelligent transition and take the…

Considerable effort and expense have been devoted to the estimation and acquisition of Toxics Release Inventory (TRI) data. To reduce the effort required and the number of reporting mistakes in the calculation of emissions, we developed an estimation…

Pipelines are vital method for long distance transportation and they need to satisfy levels of safety, unwavering quality and efficiency. Large amount of natural resources is wasted due to leakages in pipelines. In recent years, this issue has gained…

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A first-order differential leak detection model that accurately detects leaks in a crude oil pipeline is presented. This model incorporates a leak factor KL in the axial direction, which is simulated by applying the finite element method of numerical…

Long short-term memory (LSTM) has been widely applied to real-time automated natural gas leak detection and localization. However, LSTM approach could not provide the interpretation that this leak position is localized instead of other positions.…

Early leak detection of liquid and gas of both buried and unburied pipelines remain a critical task for economical and safety reasons. Several techniques were recently suggested and tested in real-life conditions and the corresponding results are…

Petroleum pipelines are virtually everywhere. They are buried, constructed above the ground, and under water, including in the oceans and seas. Historically, these pipelines have been shown to develop leaks. Leak detection systems, which are the…

A new model to detect leaks optimally in liquid pipelines is presented. The model uses the concept based on the Liapunov stability criteria to evolve a criterion for pipeline leak detection. A flow model was derived for a typical pipeline flow…

Since leaks in high-pressure pipelines transporting crude oil can cause severe economic losses, a reliable leak risk assessment can assist in developing an effective pipeline maintenance plan and avoiding unexpected incidents. The fast and accurate…

This paper presents a novel pipeline leak detection scheme based on gradient and slope turns rejection (GSTR). Instead of monitoring the pipeline under constant working pressure, GSTR introduces a new testing method which obtains data during the…

The present study investigated the ability of a system using a carbon infrared emitter (CIE) and an infrared (IR) camera to detect a combustible gas, propane. The CIE transmitted infrared at wavelengths ranging from 1 to 5μm, and the infrared…

Access to pipeline leak datasets is one of the most critical challenges limiting the development of robust pipeline leak detection algorithms using Machine learning. While machine learning presents an opportunity for the development of robust…

Leaked methane from natural gas distribution pipelines is a significant human and environmental health problem in urban areas. To assess this risk, urban mobile methane leak surveys were conducted, using innovative methodology, on the streets of…

During the last decades, leak detection for natural gas pipeline has become one of the paramount concerns of pipeline operators and researchers across the globe. However, acoustic wave method has been proved to be an effective way to identify and…

ABSTRACT To analyze an accident scenario involving the transport of hazardous material (HAZMAT), a complex accident process must be completely described

Publisher Summary Leaks in a pipeline can be caused by many causes including internal or external corrosion of the pipe, third party damage, equipment failure, operating the line above its rated operating pressure or temperature, and intentional…

Leakage from pressurized liquid ammonia pipeline has been a serious problem in large commercial cold storages because it might release large amount of liquid ammonia and without safety supervision in daily operations. The present paper shows a…

To solve the problem of nondestructive leak detection and location of pipelines, this study proposes a pipeline leak detection algorithm based on the characteristic of acoustic propagation in the form of transverse and longitudinal waves. A…

A methodology for pipeline leakage detection using a combination of clustering and classification tools for fault detection is presented here. A fuzzy system is used to classify the running mode and identify the operational and process transients.…

Leak detection, diagnostics, and prediction constitute a crucial phase of the flow assurance risk management process for onshore and offshore pipelines. There are a variety of techniques and algorithms that can be deployed to address each aspect. To…

Based on Inverse Transient Analysis (ITA) method, a real-time leak detection method is proposed to capture leak location and the associated leak rate in oil pipe conveyance systems. In the proposed approach, location and flow rate of leak (if any),…

Leak detection is critical for the safety management of pipelines since leakages may cause serious accidents. The present paper aims to develop an efficient method able to detect the presence and importance of leaks in pipelines. This method relies…

Transient pressure wave detection analysis to detect the location of leakage of non-isothermal flow in an inclined pipeline containing hydrogen-natural gas mixture is investigated. The governing equations are solved using the reduced order modelling…

The pipeline industry's existing and new safety challenges require flexible and powerful techniques for performing a risk-based analysis of cross-country petroleum product pipeline systems. One of the traditional tools for the prediction of pipeline…

A multichannel leak detection system has been developed to detect any chemical leak during electrochemical etching process. It gives an audible and a visible warnings when there is a leak at any part of the system. This greatly helps in quickly…

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 the spring and summer of 1987, the United States Environmental Protection Agency (EPA) evaluated the performance of 25 commercially available volumetric test methods for the detection of small leaks in underground storage tanks containing…

Locating underground pipeline leaks can be challenging due to their hidden nature and variable terrain conditions. To sample soil gas, solid-phase microextraction (SPME) was employed, and a portable gas chromatography/mass spectrometry (GC/MS) was…

Accidental releases of hazardous waste related to the extraction, refining, and transport of oil and gas are inevitable. Petroleum facilities and intrinsic pipelines present environmental pollution risks, threatening both human health and ecosystems.…

Multiphase flows are of paramount importance in the oil and gas industry, considering that most petroleum industries produce and transport oil and gas simultaneously. However, systematic research on pipeline leakage conveying more than one phase at a…

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The petroleum refining industry in China is a major contributor to the national economy and a significant source of ambient volatile organic compounds (VOCs). The development history of China’s refineries was investigated for the period 1949–2018,…

An in-depth study was conducted to quantify and characterize VOC emissions from a petroleum refinery located in Shandong, China. The VOC emission inventory established in this study showed that storage tanks were the largest emission source,…

We design a leak detection system consisting of an adaptive Luenberger-type observer based on a set of two coupled one dimensional first order nonlinear hyperbolic partial differential equations governing the flow dynamics. It is assumed that…

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…

Pipeline pressure monitoring has been the traditional and most popular leak detection approach, however, the delays with leak detection and localization coupled with the large number of false alarms led to the development of other sensor-based…

Oil and gas pipelines are very important for fuel transportation, however leakages in them may lead to life and property losses due to the release of the energy they contain. Reliable leak detection and localization techniques that effectively…

The paper describes two methods for detecting and locating leaks in long pipelines. The methods are based on an extended Kalman filter designed by lumping the non-linear Distributed Parameter (DP) system representing the pipeline system using the…

Leak detection in pipelines has been a prevalent issue for several decades. Pipeline leaks from sources such as small cracks and pinholes are termed chronic leaks, as they have the potential of going unnoticed for long time periods, causing both…

A leak from subsea pipelines has been a serious problem in deepwater operations because of its potential threat to surrounding marine environments, significant monetary loss from the delay of hydrocarbon production, and difficulty in detection and…

Gas pipe leakage is a common and significant problem around the word. To detect the leakages, an in-pipe detector mounted on an acoustic inspection module is a direct and reliable solution. In this study, an in-pipe detector is designed, and an…

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