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The current study predicts West Texas Intermediate (WTI) petroleum prices using an artificial neural network (ANN) with a whale optimization algorithm (WOA). In implementing the model, five parameters, including gold price, coal price, natural gas price, Dollar-Euro exchange rate, and Dollar-Yuan exchange rate, have been used as input to the combin...
Article
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Bolstered by strong hydrocarbon export revenues, the Government of Azerbaijan has been able to substantially increase budget expenditure in recent years. This has boosted growth in economic sectors outside oil and natural gas, and expanded opportunities for the country's financial institutions, which cater mainly to nonhydrocarbon sectors. Even so,...
Article
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The use of Pipelines for long-distance transportation of crude oil, natural gas and similar applications is increasing and has pivotal importance in recent times. High specific strength plays a crucial role in improving transport efficiency through increased pressure and improved laying efficiency through reduced diameter and weight of line pipes....
Article
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Production of synthetic methane as a substitute for natural gas has been widely discussed as a means of long-term energy storage with the potential of CO2 neutrality. While the maximum conversion of catalytic CO2 methanation is limited by the highly exothermic and pressure-dependent nature of the Sabatier reaction, high conversion at low pressure c...
Article
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A great attention is subjected to the environmentally friendly natural gas. Compared to other fossil fuels, natural gas is a cleaner burning due to the lower emission of carbon dioxides into the air. Removal of associated hydrocarbons from natural gas streams plays an important role to sell and to achieve the pipeline specification of natural gas....
Article
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Gas injection has emerged over the recent decades as a promising technology to enhance oil recovery in various fields worldwide. The efficiency and success of a gas injection operation can be assessed through a number of vital experimental studies. Interfacial Tension (IFT) between the injected gas and the displacing fluid is a key parameter playin...
Article
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Catalyst degradation due to soot formation is one of the main issues in the autothermal reforming (ATR) process, which is widely regarded as the future technology for hydrogen production from natural gas. In this work, soot formation under conditions similar to ATR was systematically investigated, focusing specifically on the effects of pressure on...
Article
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As a new alternative fuel vehicle for energy reserve strategy, the development of methanol vehicles in China has been at the forefront. Completed pilot projects have demonstrated that methanol vehicles can effectively reduce fuel costs and pollutant emissions during driving. In addition to methanol vehicles, alternative fuel vehicles such as electr...
Article
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Ghana's prevailing power issues have incited the government's interest in integrating renewable energy sources into the country's present energy mix for sustainable energy supply and to minimise carbon emissions. Hybridising renewable energy resources has recently gained attention due to the intermittent nature of some resources. The objective of t...
Article
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This study assesses climate-related financial risks on energy infrastructure investments. We conduct an asset-level and forward-looking risk assessment on three downstream energy assets: natural gas, coal, and solar photovoltaic power plants. We first identify climate risk factors (physical and transition) that an asset is highly exposed to with it...
Article
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Shale gas production relies on the movement of methane through nanopores which are characterized by extra-low permeability in shale formations. However, there is a lack of understanding on methane transport in realistic organic nanopores, especially in relation to sorption-induced swelling. Here, using Monte Carlo and molecular dynamics simulations...
Article
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Understanding the hydraulic fracture propagation behavior of numerous clusters and its effects on final gas production is crucial for the successful development of shale gas reservoirs. This study introduces a methodology that combines hydraulic fracturing with the modeling of the production of a shale gas reservoir. A loose coupling approach is us...
Article
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Permeability governs the fluid flow of hydrate-bearing sediment and affects the efficiency of natural gas production from hydrate reservoirs. The permeability in hydrate-bearings sediments is estimated empirically and appears to vary widely for sediments. This study focused on the sandy hydrate-bearing sediments and intended to elucidate the evolut...
Article
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The unique properties of natural gas (NG), including high availability and lower cost compared with other fossil fuels, make it attractive in internal combustion engine (ICE) application. NG is composed mainly of methane and has greater knock resistance than gasoline, enabling higher compression ratios (CR). In contrast with the distinctive advanta...
Article
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The ‘deep’ decarbonization of the residential sector is a priority for meeting national climate change targets, especially in countries such as the UK where natural gas has been the dominant fuel source for over half a century. Hydrogen blending and repurposing the national grid to supply low-carbon hydrogen gas may offer respective short- and long...
Article
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California is seeking to mandate Zero Net Energy (ZNE) buildings by 2030 as part of its efforts to combat climate change. A ZNE building is required to compensate its annual energy consumption from the grid (electricity or gas) by injecting clean electricity back to the grid. So far, the most common approach for a ZNE building is utilizing solar ph...
Article
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In industries such as coal mining, natural gas transportation and waste-to-energy, methane detection is an essential step. In order to reduce the risk and improve accuracy, laser sensors are used to detect methane. Aiming at the characteristics of the absorption peak of methane gas at 1653.7nm, the 1653.7 nm distributed feedback laser was obtained...
Article
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This paper addresses the problem of coordinating the operation of electricity and natural gas (NG) transmission systems with green hydrogen (H2) production and injection into existing NG networks. In particular, the operation of the two systems consists of a two-stage optimization framework that solves a network-constrained unit commitment (UC) pro...
Article
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In this study, the effects of different engine speed values on performance and combustion characteristics were investigated by converting a diesel engine to a spark-ignition engine using natural gas. In numerical analysis, G-equation combustion model, reduced methane chemical kinetic mechanism that represent natural gas consisting of 29 species and...
Article
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Fossil fuels (crude oil, natural gas, coal, and lignite) have historically been Nigeria's main energy source. Unfortunately, all of these factors combined with additional factors-including an increase in industrial activity, an increase in national population, and worldwide climate changes-could no longer support us. As a result, our houses and bus...
Article
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Canister core desorption has been successfully applied to coal-bed methane evaluation and exploitation as the technique eliminates the need for time-consuming down-hole fluid retrieval through flow testing. The technique has also been used for the evaluation and exploration of early-stage tight and shale gas reservoirs in recent years, although its...
Conference Paper
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Future and further development of energy and mining sector in Bosnia and Herzegovina is fully dependant on EU energy and climate goals adopted by Bosnia and Herzegovina through Agreement on Establishment of Energy Community. It concerns a series of concrete actions including carbon tax, market model incentives for renewable energy and gradual suspe...
Article
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RESUMO A energia elétrica pode ser produzida por diversas formas, tais como, usinas hidrelétricas, usinas termoelétricas a gás natural ou carvão mineral, usinas de cogeração com bagaço de cana, usinas nucleares, usinas eólicas entre outras. Grande parte da demanda global de energia usada atualmente são geradas a partir de combustíveis fósseis. No e...
Article
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The evolution mechanism of hydrocarbons in ultra-deeply-buried and ultra-old strata is the core issue of petroleum geology moving towards Deep Earth. Reconstructing the evolutionary history of ultra-deeply-buried hydrocarbons is the key to shedding light on deep hydrocarbon accumulation and evolution mechanisms. Furthermore, it can help point out d...
Article
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This work investigates the energy efficiency and carbon reduction potential of self-powered residential building heating equipment using a thermodynamic modeling approach. An integrated thermophotovoltaic power module and residential scale furnace system (40,000 Btu/h) were modeled and studied in detail to assess the influence of different design c...
Article
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Digital twin (DT) is a research topic that gained momentum in the Industry 4.0 era. The goal of DT is to create a virtual real-time intelligent system that is a typical twin of the physical system. DT provides analysis, prognosis, planning, and rapid response when needed. Digital shadow (DS) is an artifact concept of DT that provides a real-time re...
Article
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The European Union is facing the highest natural gas prices in 15 years, owing largely to an upward trend in electricity prices, which is also on an uphill curve. However, the rise in electricity and natural gas prices is a widespread phenomenon that is being felt not only in Europe but also globally, as economic activity resumes and energy consump...
Chapter
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For studying the role of energy structure change in carbon intensity in Liaoning Province, this paper uses the modified model of Kaya identity and the carbon intensity factor decomposition model of industrial and energy construction to calculate the contribution of energy structure to carbon intensity change elements and reveal the causes of carbon...
Article
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The safety of risky roadside zones such as kids’ playgrounds, schools, bus stops, petrol stations, critical roadside facilities, and pavements are becoming a significant worldwide problem. This study focused on the roadside safety of critical above-ground assets of natural gas grids due to its consequences such as fire, blast, traffic interruptions...
Chapter
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With the global economy and industry development, environment-friendly and sustainable development have become the mainstream of energy exploration and utilization. However, due to the complex downhole environment, the rate of penetration increment is becoming an urgent need for the new clean geo-energy exploitation. As the direct actuator of rock...
Chapter
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In China’s unconventional oil drilling, horizontal wells are one of the main forms of drilling, water-in-oil drilling fluid have been widely used due to their stable performance and excellent lubricating properties. To reduce the high cost of water-in-oil drilling fluids at the drilling site, further reduce the pressure of cuttings processing, and...
Article
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The main source of production in the middle and late stages of shale gas extraction is the adsorbed gas in shale, and the adsorbed gas in shale mainly comes from organic matter casein and clay minerals in shale; therefore, this paper uses sodium-based montmorillonite to characterize the clay minerals in shale and study the CH4 adsorption law in cla...
Article
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Methane pyrolysis is a promising bridging technology to mitigate the effects of climate change. By decarbonizing natural gas, hydrogen can be produced from fossil fuels without creating CO2 emissions. The focus of future process optimization should not only be on the hydrogen yield and the energy efficiency but also on the carbon products and possi...
Conference Paper
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This system seeks to demonstrate a design that can automatically detect, alert, and regulate gas leakage by employing an exhaust fan to suck the gas away from the premises when there is a leakage and a sprinkler to put out the fire if there is a fire breakage. When a gas leak is discovered, the alarm sounds, the exhaust fan pulls the gas outside, a...
Article
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In order to find out the enrichment mechanism and forming type of deep shale gas, taking the Longmaxi Formation shale in the Desheng–Yunjin Syncline area of Sichuan Basin as an example, we determined the mineralogy, organic geochemistry, physical property analysis, gas and water content, and the influence of three factors, namely sedimentation, str...
Preprint
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A rapid transformation of current electric power and natural gas (NG) infrastructure is imperative to meet the mid-century goal of CO2 emissions reduction requires. This necessitates a long-term planning of the joint power-NG system under representative demand and supply patterns, operational constraints, and policy considerations. Our work is moti...
Conference Paper
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By using an exhaust fan to remove gas from the area when there is a leak and a sprinkler to douse a fire in the event of a fire break-out, this system aims to demonstrate a design that can automatically detect, alert, and control gas leakage. In the event of a gas leak, an alarm is activated, an exhaust fan draws the gas outside, and a liquid cryst...
Chapter
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Hydrogen gas is considered as a key fuel of the cleanest energy for the future. It is projected to resolve the local problems related to the air quality that was created by the automobile industries. The combustion of hydrogen gas is without emission of any carbon oxides but it only produces water. It is of considerable importance from environmenta...
Article
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In the process of shale gas drilling, geo-steering plays an important role in shale gas drilling. This paper analyzes the constituent elements of shale formation, and selects the most suitable constituent elements of shale formation. A particle swarm optimization algorithm based on improved inertia weight and acceleration factor is proposed to opti...
Article
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With the advancement of technology, gas shales have become one of the most prominent energy sources all over the world. Therefore, estimating the amount of adsorbed gas in shale resources is necessary for the technical and economic foresight of the production operations. This paper presents a novel machine learning method called grey wolf optimizer...
Article
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To characterize the coal measure shale pore structure of the Xiashihezi Formation in the Sunan Syncline block, a series of experiments were conducted. Results show that the main components of the shales are clay minerals and quartz, and organic matter, fluid escaping, interlayer, intercrystalline and interparticle pores are well-developed. The shal...
Chapter
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Hydrogen gas is considered as a key fuel of the cleanest energy for the future. It is projected to resolve the local problems related to the air quality that was created by the automobile industries. The combustion of hydrogen gas is without emission of any carbon oxides but it only produces water. It is of considerable importance from environmenta...
Article
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Keywords: Hydrate formation temperature HFT Wide range of natural gas mixtures Unified correlation Group method of data handling GMDH Outlier detection a b s t r a c t There are numerous correlations and thermodynamic models for predicting the natural gas hydrate formation condition but still the lack of a simple and unifying general model that add...
Article
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The amount of natural gas contained in the world’s gas hydrate accumulations is enormous, but these estimates remain highly speculative. So far, it is still challenging to locate spatial distribution of marine gas hydrate and quantitatively characterize the evaluation parameters and systematic improvement of evaluation systems. Considering the syst...
Chapter
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The natural gas common rail Fuel pipe which is an important component of marine high pressure direct injection natural gas engine is need to optimize. A 1-D dimensional working process model including natural gas common rail pipe and high-pressure natural gas pipe was established in this paper and different common rail pipe schemes was compared and...
Article
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The clock synchronization of mine distributed acquisition system is the key to its normal operation, and the realization of a unified time benchmark is the premise of subsequent data processing. To capture a more accurate gas migration process, in the physical similarity simulation experiment of coal and natural gas, a synchronous data acquisition...
Presentation
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Romanian International Gas Conference - Bridge To The Future. From Versailles to Bucharest - Natural gas, the bridge between climate action and energy security
Article
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Mixed-matrix membranes (MMMs) possess the unique properties and inherent characteristics of their component polymer and inorganic fillers, or other possible types of additives. However, the successful fabrication of compact and defect-free MMMs with a homogeneous filler distribution poses a major challenge, due to poor filler/polymer compatibility....
Article
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With the advancement of science and technology and the development of industry, the demand for oil is increasing, and the measurement of oil is becoming more and more reliable and accurate. The communication network refers to the physical connection of various isolated devices to realize the link of information exchange between people, people and c...
Preprint
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Leak detection in gas pipelines is an important and persistent problem in the Oil and Gas industry. This is particularly important as pipelines are the most common way of transporting natural gas. This research aims to study the ability of data-driven intelligent models to detect small leaks for a natural gas pipeline using basic operational parame...
Article
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There are a large number of natural gas shows in the Upper Paleozoic of the central Hunan Basin. However, the hydrocarbon accumulation process was complicated due to the strong tectonic reformation in this area. A study of the natural gas accumulation period is of significance for determining gas accumulation models. In this research, the fluid inc...
Article
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The uncertainty of LNG import risks will have a significant impact on China's energy security. This paper establishes a multi-agent game model based on the current LNG transportation network and global LNG supply and demand pattern, evaluates the LNG import risks faced by China under the global governance model, and simulates and predicts the optim...
Article
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The operation strategies of a distributed energy system (DES) are usually proposed according to the electrical load (FEL) and the thermal load (FTL), which take the cooling/heating load or electric load as unique constraint conditions that result in a too high or too low equipment load rate. This paper proposes a new hybrid operation strategy (HOS)...
Article
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In this study, the characteristics of shale gas reservoirs of the lower part of the Keluke Formation in the Shihuigou area were investigated by using thin sections, scanning electron microscopy (SEM), and isothermal adsorption, combined with geochemical experimental analysis. Consequently, the controlling factors of the adsorption capability and ga...
Article
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Shale gas is primarily concentrated in nanopores extensively distributed in shale. The elastic properties of nanopores are significantly different from those of pores of larger sizes due to surface effects. How nanopores and adsorbed fluids affect the overall elastic properties of rock is rarely studied. Based on a recently developed nano-elasticit...
Article
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In the development of natural gas reservoirs, the water produced in wells will cause a decline in gas well productivity. In this study, a selective frozen gel plugging agent system suitable for water plugging in gas reservoirs under conditions of high temperature and high salinity. The plugging capacity of the gel system was evaluated. The experime...
Article
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Shale is a low-porosity and low-permeability reservoir, and structural fractures are the main controlling factor for the migration and accumulation of shale gas. Moreover, tectonic fractures are controlled by the paleo-tectonic stress field. In this paper, taking the Longmaxi Formation of the Lintanchang area as an example, the finite element numer...