Status and perspectives on CCUS clusters and hubs
2024
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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Pore structure characterization and its significance for gas adsorption in coals: A comprehensive review
2022
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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Overview of hydrogen storage and transportation technology in China
2023
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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Integrated workflow for prediction of organic pore volume in unconventional plays, an example from the Duvernay formation, Canada
2024
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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Drilling fluids for shale fields: Case studies and lessons learnt
2024
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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Genesis and energy significance of natural hydrogen
2023
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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Hydrogen's organic genesis
2024
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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Photovoltaic mini-grid incorporation: The panacea for electricity crisis in sub-Saharan Africa
2024
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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Suppressing solar PV output fluctuations by designing an efficient hybrid energy storage system controller
2024
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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Geology still matters – Unconventional petroleum system disappointments and failures
2021
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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Productivity drivers in North American tight and shale plays: A comprehensive analysis of completion trends, stimulation parameters, and geological characteristics
2024
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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Modelling the solubility of gases in aqueous solutions with a focus on geothermal applications– assessment and benchmarking of two free software packages
2024
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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Shallow and deep geothermal water sources identification in Unai geothermal field, Gujarat, India with applications of Magnetotelluric (MT)
2024
The aim of this study is to conduct and examine the results of a Magnetotelluric (MT) survey in Unai, Gujarat, India for geothermal prospect identification. At Unai, the data was acquired, processed,...
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Recycled waste groundnut oil: A potential feedstock for green energy/biodiesel synthesis
2024
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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Geothermal resource estimation of Uttarakhand region, India
2024
With many countries dependent on imported fuels, governments and industries are diversifying energy sources, including geothermal energy. Geothermal energy, derived from the Earth's internal heat, holds...
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CO2-enhanced oil recovery with CO2 utilization and storage: Progress and practical applications in China
2024
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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Methods for identifying complex lithologies from log data based on machine learning
2023
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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Identification of natural fractures in shale gas reservoirs using fracture signature function and machine learning models
2024
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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A numerical investigation into the propagation of acid-etched wormholes in geothermal wells
2024
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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Diagenetic characteristics and microscopic pore evolution of deep shale gas reservoirs in Longmaxi Formation, Southeastern Sichuan basin, China
2024
The Lower Silurian Longmaxi Formation is the favorable target area for deep shale gas exploration and development in southeastern Sichuan Basin. Based on whole-rock X-ray diffraction analysis, scanning...
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Characteristics and model of meandering-river-delta reservoir architecture of member Chang-6 in Fuxian area, Triassic Ordos Basin
2024
To elucidate the spatial architecture of sand bodies within the Member Chang 6 in the Fuxian area of the Ordos Basin, a comprehensive analysis was conducted leveraging core samples, logging data, mud...
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Relationship between box-counting fractal dimension and properties of fracture networks
2024
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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Prospects of geothermal field development in Gandhar, Gujarat, India
2024
Field development is an important part of natural resource utilization and exploration because it involves a systematic evaluation and optimization of a specific area. This study examines the geothermal...
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Microscopic pore-throat classification and reservoir grading evaluation of the Fengcheng formation in shale oil reservoir
2024
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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Sedimentary: Carbonate microfacies and mineralogy of the southern Benue Trough and eastern Dahomey basin, Nigeria
2024
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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