The leakage of natural gas pipelines may cause significant safety accidents and cause severe economic losses to society. Therefore, timely detection and location of pipeline leak is an effective measure to reduce losses. Traditional methods need to…
In the study of pipeline leak detection, it is arduous to identify the expected target accurately because of the influence of various noises in practicable application. In order to realize the effective identification of pipeline signals under…
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.…
The leakage of natural gas pipelines may cause significant safety accidents and cause severe economic losses to society. Therefore, timely detection and location of pipeline leak is an effective measure to reduce losses. Traditional methods need to…
In the study of pipeline leak detection, it is arduous to identify the expected target accurately because of the influence of various noises in practicable application. In order to realize the effective identification of pipeline signals under…
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.…
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…
Detection of small leaks in gas pipelines is an important and persistent problem in the oil and gas industry. However, the industry is beginning to investigate how tools of Machine Learning, Artificial Intelligence, Big Data, etc. can be used to…
The leakage of natural gas pipelines may cause significant safety accidents and cause severe economic losses to society. Therefore, timely detection and location of pipeline leak is an effective measure to reduce losses. Traditional methods need to…
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…
In the study of pipeline leak detection, it is arduous to identify the expected target accurately because of the influence of various noises in practicable application. In order to realize the effective identification of pipeline signals under…
Detection of small leaks in gas pipelines is an important and persistent problem in the oil and gas industry. However, the industry is beginning to investigate how tools of Machine Learning, Artificial Intelligence, Big Data, etc. can be used to…
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.…
Natural gas pipeline leaks can cause serious hazards to natural gas transportation and pose considerable risks to the environment and the safety of residents. Therefore, feature extraction of pipeline signals is crucial in natural gas pipeline leak…
Pipeline systems are a safe method of transporting oil and gas from one place to another, although they suffer from leaks due to external and internal factors and fail to deliver the required products to customers. Many methods have been researched…
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…
Detection of small leaks in gas pipelines is an important and persistent problem in the oil and gas industry. However, the industry is beginning to investigate how tools of Machine Learning, Artificial Intelligence, Big Data, etc. can be used to…
Natural gas pipeline leaks can cause serious hazards to natural gas transportation and pose considerable risks to the environment and the safety of residents. Therefore, feature extraction of pipeline signals is crucial in natural gas pipeline leak…
Pipeline systems are a safe method of transporting oil and gas from one place to another, although they suffer from leaks due to external and internal factors and fail to deliver the required products to customers. Many methods have been researched…
Long distance transportation of various fluid commodities like water, oil, natural gas liquids is achieved through a distribution network of pipelines. Many of these pipelines operates unattended in harsh environments. Therefore, pipes are often…
A study analyzing a method to detect the leak quantity and its location through computational modeling is presented. Specifically, there is a focus on the transportation of wet natural gas, or methane with a mixture of condensates. Pipeline…
The leakage of natural gas pipelines may cause significant safety accidents and cause severe economic losses to society. Therefore, timely detection and location of pipeline leak is an effective measure to reduce losses. Traditional methods need to…
In the study of pipeline leak detection, it is arduous to identify the expected target accurately because of the influence of various noises in practicable application. In order to realize the effective identification of pipeline signals under…
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.…
In the study of pipeline leak detection, it is arduous to identify the expected target accurately because of the influence of various noises in practicable application. In order to realize the effective identification of pipeline signals under…
When leakage dynamic pressure waves (DPWs) propagate in low Mach number flows, the viscothermal effects are considered the main reason for sound attenuation. However, an experimental analysis conducted in this study shows that the non-equilibrium…
Automatic line-break control valves are widely used to prevent the release of gas in the event of a rupture in natural gas pipelines. The rate of pressure drop (ROD) set point at each valve location is a critical parameter that determines whether or…
A computational fluid dynamic (CFD) simulation research on the pressure perturbations generation is accomplished and verified by experiments to study the fundamental of acoustic leak detection and location method for natural gas pipelines. When…
In order to figure out the principles of acoustic leak detection for natural gas pipelines, a study on the leak-acoustics generation mechanism is carried out. The aero-acoustics generation mechanism is analyzed and when leakage occurs the wave…
There is rising interest globally in the use of hydrogen for the provision of electricity or heat to industry, transport, and other applications in low-carbon energy systems. While there is attention to build out dedicated hydrogen infrastructure in…
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 emergence of natural gas as an abundant, inexpensive fuel in the U.S. raises the possibility that expanding natural gas infrastructure could enable a transition to other low carbon fuels. We assess how California's existing fuels policies…
The lack of hydrogen (H2) transportation infrastructure restricts the development of the H2 industry. Owing to the high investment of building specific facilities, using existing natural gas (NG) pipelines to transport a blend of H2 and NG (H2NG) is…
National Balancing Point (NBP) of UK created the market operation and pricing mechanism based on a virtual trading point, and provided a regional market model for creating a single liberalized EU gas market. Therefore, studying on the operation…
Pipeline transportation is the main method of natural gas transportation. The intrinsic safety of natural gas pipelines has always been the focus of attention. During the transportation process, pipelines are affected by many factors. Existing…
For the transportation pipeline with the diameter 1.219 m and the internal pressure 3-12 MPa, the leakage and diffusion of the natural gas of the pipeline in the soil was studied by numerical simulation. First, the finite model containing both…
This paper proposes a systemic framework for dynamic safety risk analysis for natural gas pipeline leakage in a utility tunnel, which merges the bow-Tie model (BT), Bayesian network (BN), and fuzzy set theory (FST) combined with monitoring data.…
Carbon capture, utilization and storage technology (CCUS) is considered to be one of the most important technical pathways for greenhouse gas emission reduction. CO2 pipeline transportation technology in China started late, with more CO2 pipeline…
CO2 corrosion is one of the most common corrosion forms in the process of oil and gas field development and oil and gas gathering and transportation. In the process of natural gas gathering and transportation, the problem of pipeline corrosion caused…
The scope of this article is to provide environmentally friendly, sustainable and safe infrastructure services for end-users with utility tunnels, including continuous flow systems, one of the transportation modes. Sustainable infrastructure systems…
The enormous cost of transporting oil and gas through pipelines and the operational benefits that the industry receives through optimization has incited analysts for decades to find optimization strategies that help pipeline managers operate pipeline…
In this research, we utilize Southern California (SoCal) natural gas transmission pipelines and underground storage resources for transporting and storing hydrogen gas for a 100% renewable energy penetration. The goal is to determine to what extent…
We formulate an economic optimal control problem for transport of natural gas over a large-scale transmission pipeline network under transient flow conditions. The objective is to maximize economic welfare for users of the pipeline system, who…
The gas transmission capability (GTC) is a key index for the natural gas pipeline system, which is used to describe the transmission capability limit of the system. There exists the GTC curve in the natural gas pipeline system, which can describe the…
The rapid growth of liquefied natural gas consumption makes the issues of its transportation more urgent. At present, liquefied natural gas pipeline transportation is carried out only by means of short length process lines. This paper discusses the…
Using blended hydrogen natural gas to transport hydrogen is a novel technology proposed by developed countries in recent years. This technology utilizes existing natural gas pipeline facilities to avoid the large capital investment for the…
Blending hydrogen in the natural gas transmission and distribution systems is an option for hydrogen transportation. Integrity management of the existing infrastructure requires a risk evaluation for the planned hydrogen introduction and the…
We present a method for joint state and parameter estimation for natural gas networks where gas pressures and flows through a network of pipes depend on time-varying injections, withdrawals, and compression controls. The estimation is posed as an…
In the natural gas pipelines, the so-called black powder is formed. It can take many forms, including wet tarred substance or fine dry powder. Black powder occurs in both newer and older natural gas pipelines. This can disrupt the distribution of…