The Sichuan Basin is the earliest natural gas discovery and utilization area in the world, where the modern natural gas industry of New China started. Through nearly 7 decades of development, a natural gas industrial system with complete upstream,…
In recent decades, the development of natural gas hydrates has become a research hotspot of scholars all over the world. However, the decomposed gas and water in marine gas hydrate production system may regenerate gas hydrates due to the…
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…
Natural gas has been attracting increasing attentions all around the world as a relatively cleaner energy resource compared with coal and crude oil. Except for the direct consumption as fuel, electricity generation is now another…
Natural gas (NG) is an alternative combustible fuel for the transportation sectors due to its clean combustion, small carbon footprint, and, with recent breakthroughs in drilling technologies, increased availability and low cost. Currently, NG is…
With environmental concerns and limited natural resources, there is a need for cleaner sources of energy in the transportation sector. Renewable natural gas (RNG) is being considered as a potential fuel for heavy-duty applications due to its…
The conversion of existing diesel engines to spark ignition (SI) operation by adding a low-pressure injector in the intake manifold for fuel delivery and replacing the original high-pressure fuel injector with a spark plug to initiate and control the…
We assessed freshwater consumption, greenhouse gas (GHG) emissions, and air emissions of using compressed and liquefied natural gas (NG) as transportation fuels by three heavy-duty NG vehicles (NGV) types from a wells-to-wheels (WTW) perspective. We…
Global interest in LNG products and supply chains is growing, and demand continues to rise. As a clean energy source, LNG can nevertheless emit air pollutants, albeit at a lower level than transitional energy sources. An LNG plant capable of…
Increasing the natural gas (NG) use in heavy-duty engines is beneficial for reducing greenhouse-gas emissions from power generation and transportation. However, converting compression ignition (CI) engines to NG spark ignition operation can increase…
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 development of the natural gas exploitation and transport industry involves both research in the field of compressor mechanics and their automatic control. The paper contains four parts and presents the state of research regarding the automation…
Safety of any energy storage technology is a key attribute for all existing power plants and energy storage utilities. Another no less important area is the storage of energy in biogas plants where gas formation is time-dependent. Accumulation of…
To quantitatively analyze the effects of coupling port water injection (PWI) and exhaust gas recirculation (EGR) on the spray water evolution, combustion and emissions for the stoichiometric natural gas engines, five cases were tested on the…
Natural gas hydrate (NGH) is a potentially green energy resource for the future. Five trial production experiments of marine NGH have been carried out worldwide. However, the currently widely used drilling method has poor economic applicability, and…
This paper presents a model-based analysis of a process coupling trirefos rming and Fischer-Tropsch technologies for the production of liquid fuels from CO2-rich natural gas. The process also includes an upgrading section based on hydrocracking, a…
Abstract Increasing urbanization and industrialization have led to a phenomenal growth in transportation demand worldwide, coupled with a concentration of vehicles in metropolitan cities. With regard to increasingly stringent emission legislation…
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…
Marine transport of liquefied natural gas (LNG) is well established and extensive precedents for the design of the ships and tanks exist. Fewer precedents exist for the transport of compressed natural gas (CNG). This paper describes the application…
In recent years, the global demand for liquefied natural gas (LNG) as an energy source is increasing at a very fast rate. In order to meet this demand, a large number of facilities such as platforms, FPSO (floating production, storage and…
Concerns about environmental degradation and finite natural resources necessitate cleaner sources of energy for use in the transportation sector. In Canada, natural gas (NG) is currently being appraised as a potential alternative fuel for use in…
There are currently several studies about the necessity of increasing access to sustainable electricity for isolated communities or in remote areas using alternative energy sources. There are about 212 energy grid isolated systems in Brazil, mainly…
The U.S. has high renewable methane potential. Biogas can be obtained from many organic sources like landfills, wastewater, animal manure, industrial, institutional, and commercial organic waste. Biogas can also be produced from lignocellulosic…
Natural gas purification, especially with high sulfur content, is an energy-intensive chemical production process, for which there are considerable differences in the energy consumption patterns of different purification plants. Therefore, these…
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…
This paper focuses on strategic storage as a solidarity measure in response to short-term "high-impact, low-probability" (HILP) disruptions in the European Union (EU) gas supply from major suppliers (i.e., Ukraine, Russia, Norway, and North Africa),…
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…
As a kind of important clean and renewable energy, hydrogen energy has received increasing attention. In the past, the majority of researchers from colleges and universities, Chinese Academy of Sciences and other institutions carrying out hydrogen…
Air pollution, which causes over seven million deaths per year, is the most significant and specifically related to health impacts. Nearly 90% of the urban population worldwide is exposed to pollution not meeting the World Health Organization…
With the increased availability of low-cost natural gas, the co-conversion of natural gas and biomass-to-liquid fuels has attracted attention from industry due to its potential for improving liquid fuel yields while lowering greenhouse gas emissions.…
In recent years, the global demand for liquefied natural gas (LNG) as an energy source is increasing at a very fast rate. In order to meet this demand, a large number of facilities such as platforms, LNG-FPSO's, floating storage and regasification…
Pipelines as natural gas transmission system is capable to transport a huge volume of gas. Trunkline or mainline is an important part of the system which carries high-pressure natural gas through large-diameter pipes from processing plant to…
1 Scope This document specifies minimum requirements for materials exposed to sour environments as defined in ISO 15156 (all parts). It does not provide guidelines for material selection. The selection of suitable materials for a specific service…
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…
Natural gas hydrate emerges as a sustainable and alternative clean energy source. Japan (2013) and China (2017) have performed production trials on marine natural gas hydrate successfully. Sand production with associated risk is one of the main…
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…
The injection of green hydrogen into the natural gas grid is a way to decarbonize the gas sector and build an economic transport route for the large-scale delivery of hydrogen. The suitability of the natural gas infrastructure for this purpose…
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…
The new scenario involving the rapid energy supply transition from oil-based to natural gas-based undoubtedly affects the future carbon capture and storage (CCS) and offers an opportunity for the use of natural gas hydrates (NGHs). NGHs account for…
The introduction of hydrogen or synthetic natural gas produced from renewable electricity into gas pipelines is being considered to enable decarbonization and energy storage. Prior published studies show that hydrogen concentrations over 20-30% are…
Hydrocarbon (HC) based Compressed Natural Gas (CNG) gas is highly flammable and can be threatening if not maintained and monitored correctly. Failure to detect gas leakage leads to property damage and poses a severe threat to human life. In this…
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…
The paper presents the results of the analysis of compressed natural gas marine transportation based on ecological and economic criteria, the most economical and ecologically friendly ways of natural gas transportation that are needed to take…
Hydrate-based technology could be a potential option for efficient storage and transportation of lean natural gas or biogas, which contains a significant portion of carbon dioxide. In this work, hydrate formation of a ternary methane-carbon…
Offloading hoses/flexible pipes are used to transfer compressed natural gas (CNG) from an intermediate floating storage and offloading unit (FSO) to CNG vessel (GASVESSEL). The floating hoses are subjected to environmental loads that are mainly…
The projected increase in the availability of gaseous fuels by growing popularity of household natural gas (NG) filling stations and the increase in the production of gaseous biogas-derived fuels is conducive to an increase in the use of NG fuel.…
Although natural gas is often viewed as a commodity fuel with limited variability due to standardization for pipeline transportation, life cycle impacts of natural gas vary substantially. Greenhouse gas (GHG) intensity is one of the most…