Browse Items (1115 total)

  • Tags: pipeline

Based on the big data theory and data mining of gas pipeline failure history, the key factors determining the safety of pipeline system are found out, such as probability, function, time and prescribed conditions. Based on the reliability principle,…

Pipelines are a nonlinear and complex component to transfer fluid or gas from one place to another. From economic and environmental points of view, the safety of transmission lines is incredibly important. Furthermore, condition monitoring and…

This paper presents a critical review of the main sensing techniques considered for online monitoring of the integrity of alloys steel-made equipment used in process industry. This includes pipelines, tanks, electrical transformers and other metallic…

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…

Many non-standard situations like subsoil slipping, vibrations, ... as well as degradation mechanisms of pipeline materials can occur in the operation of pressured pipelines. The article deals with the mechanisms of the degradation processes and…

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…

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…

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…

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…

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.…

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…

Inner spherical detectors (SDs) can approach the leak point of a liquid-filled pipeline from the inside, and therefore potentially have very high leak detection sensitivity. This paper demonstrates the SD’s high sensitivity of detecting tiny,…

This work presents a time series strategy for detection, location and quantification of leaks in large pipeline systems. The technology has two active components, which operate sequentially: the Detector and the Localizer. The Detector continuously…

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…

The transportation of huge quantities of Hydrogen to the consumption points is a herculean task and can only be economically viable through the pipeline route. The creation of a dedicated pipeline infrastructure for Hydrogen comes with huge…

A flow model is presented in this short communication to design a horizontal sampling method of soil-gas for pipeline leak detection. The soil-gas flow model is verified by air-extraction tests. A laboratory method is also designed in this short…

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…

Gas leaks can cause major incidents resulting in both human injuries and financial losses. To avoid such situations, a considerable amount of effort has been devoted to the development of reliable techniques for detecting gas leakage. As knowing…

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…

A spherical detector (SD) is capable of closely approaching a leak point and collecting leak sounds from the inside of a long pipeline, thereby enabling an extremely high leak detection sensitivity. However, acoustic noises arise from collision and…

While most of the available Leak Detection Systems (LDS) can detect pipeline leaks, leak localization is still an unresolved problem. The main reason for this problem is the limited number of sensors installed in long pipelines. Because of lack of…

A flow model is presented in this short communication to design a horizontal sampling method of soil-gas for pipeline leak detection. The soil-gas flow model is verified by air-extraction tests. A laboratory method is also designed in this short…

This work assesses the applicability of reflectance spectroscopy to monitor petroleum hydrocarbon (PHC) leaks in petroleum facilities using the direct detection of the pollutant in bare soils. A controlled, lab-scale experiment is conducted, where…

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…

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…

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…

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…

Jurisdictions are looking into mixing hydrogen into the natural gas (NG) system to reduce greenhouse gas (GHG) emissions. Earlier studies have focused on well-to-wheel analysis of H2 fuel cell vehicles, using high-level estimates for…

This work introduces a mixed-integer nonlinear programming (MINLP) formulation for the efficient planning of crude oil supplies to a major refinery, through a long-distance pipeline. The proposed approach combines the potentials of slot-based and…

In the development of programs for delivering crude oil to Southern Europe, it is necessary to determine the trends in crude oil delivery and production and to analyze the capabilities of the crude oil transportation system. The global trend towards…

When designing high-pressure gas pipelines, it must be ensured that a running fracture is arrested within the shortest possible length. The semi-empirical Battelle Two-Curve Model (BTCM) proposed in the early 1970s is still widely used in the…

Black Powder (BP) poses a serious threat to the integrity and operation of natural gas transmission networks worldwide. While BP corrective and preventive remedies have been proposed in the past, real-time detection and quantification of BP in…

This work introduces a clamp-on narrow-band passive ultrasonic isolator that extends the gas density / pressure Pareto frontier for non-invasively polling the interior of gas-pressurized steel pipeline. The isolators enable an ultrasound-based…

A new way of statistical pulsation measurements by radioisotope technique is described. It is an alternative to the existing stream control methods and allows to improve accuracy of measurements. The effect of harmful substances transported in crude…

This paper deals with the design and simulation of a Split Ring Resonator (SRR) for the detection of leaks, corrosion and cracks in pipeline networks intended for transporting crude oil, natural gas, petroleum products and other fluid products. The…

Crude oil remains the major source of revenue in Nigeria. However, Petroleum pipeline vandalism is becoming an issue concern to the government with thousands of liters lost to embezzlement. This work proposed a Multi-Agent based Security System that…

Hazardous materials transportation is risky and an accident at any point of route can lead to severe consequences including fatalities, injuries, and environmental degradation. Routing hazardous materials is one of the main strategies to reduce the…

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…

Unlike ordinary refined products, high waxy crude oil has a potential serious safety problem during transportation because of its non-Newtonian characteristic. Further, the operating parameters of the pipeline and physical properties of the crudes…

The aim of this paper is to develop a method of intellectualizing information and measuring systems, designed to control the complex of parameters of sophisticated multiphase flows under uncertainty and its implementation by the example of creating…

The large-scale pipeline transportation is main crude oil transport mode in China. Increases along with the active time, the steeliness pipeline surface has the corrosion phenomenon frequently, the petrochemical enterprise uses generally welds the…

Jurisdictions are looking into mixing hydrogen into the natural gas (NG) system to reduce greenhouse gas (GHG) emissions. Earlier studies have focused on well-to-wheel analysis of H2 fuel cell vehicles, using high-level estimates for…

This paper presents a critical review of the main sensing techniques considered for online monitoring of the integrity of alloys steel-made equipment used in process industry. This includes pipelines, tanks, electrical transformers and other metallic…

Integrity management of in-service corroded pipelines depends on the applied stochastic corrosion growth model. 3D corrosion growth in axial, circumferential, and radial directions of the pipeline is modeled using dependent stochastic gamma…

This article presents the lightning phenomena analysis for underground petroleum pipeline system and protection guideline by considering an electrical continuity after a lightning strike to the earth. The result of transient state occur on the…

The aim of this study is to simulate the flow of emulsion (immiscible liquids) which is a complex phenomenon in the petroleum industry. In this study, three types of emulsions (O/W) were simulated using by CFD which has been applied to predict the…

The experiments described here are composed of two parts: the 2D scour below a fixed pipeline on a silty seabed under steady currents and the vortex-induced vibration (VIV) of an elastic-mounted pipeline over the scour trench. In the former, the…

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Natural gas pipeline leaks may cause considerable damage to people, properties, and the surrounding environment. This study investigates a dent leak in a gas pipeline in China that has operated for six years. The failure pipe section meets American…

The stability and viscosity of W/O emulsions and their application for heavy oil pipeline transportation were investigated using two Iranian crude oil samples. An Iranian heavy crude oil sample named West Paydar and a blend of diesel and bitumen were…
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