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ISSN: 2666-5190

Status and perspectives on CCUS clusters and hubs

Carbon Capture, Utilization, and Storage (CCUS) refers to the process of capturing and separating CO2 from emission sources such as energy utilization and industrial processes, or directly from the...

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Overview of hydrogen storage and transportation technology in China

In response to the global climate change and the need for green and low-carbon development, hydrogen energy has been recognized as a clean energy source that can achieve carbon neutrality unlike fossil...

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Pore structure characterization and its significance for gas adsorption in coals: A comprehensive review

The coal reservoir has multifaceted and hierarchical characteristics influenced by heterogeneity of the pore and fracture networks. The coal pore including micropore, mesopores and macropores determines...

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Genesis and energy significance of natural hydrogen

H2 is clean energy and an important component of natural gas. Moreover, it plays an irreplaceable role in improving the hydrocarbon generation rate of organic matter and activating ancient source rocks...

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Drilling fluids for shale fields: Case studies and lessons learnt

In recent years, Shale gas has been the fastest-growing energy source in the world. In USA, shale gas now contributes to more than 60 % of natural gas supply. In China, annual shale gas production climbed...

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Photovoltaic mini-grid incorporation: The panacea for electricity crisis in sub-Saharan Africa

The electrification rate in sub-Saharan Africa, standing at 45% in 2018, is significantly lower when compared with global benchmarks. The 600 million individuals lacking access to electricity constitute...

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Integrated workflow for prediction of organic pore volume in unconventional plays, an example from the Duvernay formation, Canada

Organic pores provide the primary storage space for hydrocarbons in some unconventional plays. However, organic pore volume and pore size distribution data are not routinely collected due to time, labor,...

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Suppressing solar PV output fluctuations by designing an efficient hybrid energy storage system controller

The stochastic nature of solar photovoltaics (PV), marked by high-frequency voltage fluctuations due to dynamic climatic conditions such as cloud cover and temperature variations, presents a significant...

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Hydrogen's organic genesis

Natural hydrogen exploration has been restricted in scope due to the predominance in thinking that various rock interactions with water in cratonic settings offer the best natural hydrogen sources....

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Recycled waste groundnut oil: A potential feedstock for green energy/biodiesel synthesis

This work focuses on the recycling of waste groundnut oil as a potential feedstock for biodiesel production using activated coconut husk as a regenerating agent. The coconut husk was functionalized...

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Geology still matters – Unconventional petroleum system disappointments and failures

Machine learning and factory drilling approaches have increased efficiency and improved the commerciality in many tight plays. However, not all the original resource estimates and potential opportunities...

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Identification of natural fractures in shale gas reservoirs using fracture signature function and machine learning models

Identifying fractures is important for optimizing recovery and enhancing oil recovery techniques. Identifying natural fractures using FMI and cores is expensive and unavailable for all wells. Therefore,...

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Methods for identifying complex lithologies from log data based on machine learning

The sedimentary environment of the marine-continental transitional facies leads to complex reservoir lithologies characterized by rapid changes in lithology, the presence of thin interbeds, and strong...

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Microscopic pore-throat classification and reservoir grading evaluation of the Fengcheng formation in shale oil reservoir

Different basins in China have proposed various reservoir grading standards for shale oil. Based on a comprehensive understanding of the basic characteristics of the shale oil reservoir in the Mahu...

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Process modelling of waste tyre pyrolysis for gas production using response surface methodology

The search for cleaner and renewable energy sources coupled with the need for environmental protection has necessitated the conversion of municipal solid wastes to energy sources. In this study, the...

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A novel method for quantitative evaluation of oil content and mobility in shale oil reservoirs by NMR logging: a case study of the inter-salt shale oil in the Jianghan Basin

The evaluation of oil content and mobility in shale oil reservoirs is the key to the optimization of the "sweet spot" of shale reservoirs and the evaluation of available resources. In order to address...

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Relationship between box-counting fractal dimension and properties of fracture networks

Due to the capacity to quantify the complexity of a fracture network, fractal dimension (D) is widely applied in analyzing fracture network-related issues, such as connectivity and permeability. While...

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A numerical investigation into the propagation of acid-etched wormholes in geothermal wells

Carbonate geothermal reservoirs are widespread in the Beijing-Tianjin-Hebei region, and acidification stands out as the most effective method to enhance the heat recovery potential of these reservoirs....

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Molecular simulation of the impact of surface roughness on carbon dioxide adsorption in organic-rich shales

This study investigates the adsorption behavior of carbon dioxide in organic nanopores with different surface roughness. The nanopores are constructed by sinusoidally corrugating the graphite slit pore...

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Sedimentary: Carbonate microfacies and mineralogy of the southern Benue Trough and eastern Dahomey basin, Nigeria

This study presents a detailed investigation into the microfacies, geochemistry, and depositional environments of carbonate rocks from the southern Benue Trough and eastern Dahomey Basin. This analysis...

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The present-day in-situ stress field and its effect on shale gas development in Zigong area of southern Sichuan Basin

The Zigong area in southern Sichuan Basin is one of the key shale gas production areas in China, and the Longmaxi and Wufeng Formations within it are currently the key exploration and development layers....

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Modelling the solubility of gases in aqueous solutions with a focus on geothermal applications– assessment and benchmarking of two free software packages

The interactions between aqueous solutions, gases, and minerals dictate the extent of issues such as scaling, degassing, and corrosion, which have a major impact on the performance of a vast number...

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Productivity drivers in North American tight and shale plays: A comprehensive analysis of completion trends, stimulation parameters, and geological characteristics

This study evaluates the productivity of ten major unconventional oil and gas plays in North America, emphasizing the role of completion, stimulation, and geological factors. The primary objective is...

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CO2-enhanced oil recovery with CO2 utilization and storage: Progress and practical applications in China

CO2 capture, utilization, and storage (CCUS) is a strategic emerging technology that has undergone rapid development in recent years. CO2-Enhanced oil recovery with CO2 utilization and storage (CCUS-EOR)...

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An investigation of data analysis method for hydraulic fracturing based on the water hammer effect

Hydraulic fracturing plays a crucial role in the development of unconventional resources, and assessing fracture geometry is a fundamental aspect of hydraulic fracturing analysis. Among the various...

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