In-situ stress analysis in the Chang 7 reservoir of northern Shannxi region
2024
The Shaanbei Chang 7 shale oil reservoir in the Ordos Basin develops vertically with multiple lithologic superimpositions. The interlayer stress of sand-mud-shale thin interbeds is different, and the...
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Study on microscopic failure mechanism and numerical simulation of sandstone under different saturated pressure
2024
X-ray diffraction and SEM scanning are conducted to examine the alterations in sandstone under different saturation conditions to reveal the water-rock softening effect on sandstone from the Qilicun...
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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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The Early Cretaceous structural features and its influence on hydrocarbon accumulation in the southern Hurenbuqi depression, Erlian Basin
2024
The Hurenbuqi Sag, located on the Bayinbaolige uplift in the northern Erlian Basin, is a secondary depression rich in oil. In order to study the influence on hydrocarbon accumulation of the Early Cretaceous...
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Comparative experimental investigation on permeability and pressure bearing capacity of different types of temporary plugging bodies
2024
Temporary plugging and diversion fracturing technology play a vital role in boosting the production of tight reservoirs. The increase of net pressure in fractures is the core of temporary plugging diversion...
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The optimization of the well pattern thinning at high water cut stages in CD Heterogeneity oilfield
2024
Water-flooding reservoirs often face challenges such as low remaining geological reserves and high production costs during the high water cut stage. Well pattern thinning presents a promising solution...
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Impact of fracturing fluid retention and flowback on development effect after large scale fracturing in shale oil wells: A case study from the shale oil of Chang 7 Member, Yanchang Formation, Ordos Basin
2024
In order to reveal the impact of fracturing fluid retention and flowback on the development effect after large-scale fracturing in shale oil wells, and to formulate a reasonable flowback policy, this...
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Organic petrography and geochemistry of the Fu 2 member of the Paleocene Funing formation, Gaoyou Depression, Subei Basin, Eastern China: Implications for shale oil potential
2024
The Fu 2 Member of the Paleocene Funing Formation in the Gaoyou Depression, Subei Basin is an organic matter-rich formation, and has a high potential for shale oil exploration and exploitation. Total...
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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
2024
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
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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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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Lithological and diagenetic variation of mixed depositional units in the middle permian saline lacustrine deposition, Junggar Basin, NW China
2024
Mixed depositional reservoirs are widely distributed in Junggar Basin, NW China. These reservoirs are featured by complex lithology, ultra-low permeability and extremely heterogeneous pore structures...
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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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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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Molecular simulation of the impact of surface roughness on carbon dioxide adsorption in organic-rich shales
2024
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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Heat production rate of deep rocks in Bohai Bay Basin and its relationship with terrestrial heat flow
2024
The vertical distribution of rocks’ radioactive heat production rate in the continental crust is the basis for exploring the deep thermal structure and explaining terrestrial heat flow distribution...
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Developmental characteristics of fractures in deep tight sandstone reservoirs in the second Member of the Xujiahe Formation of Zhongjiang Gas Field
2024
The development characteristics, scale and control factors of fractures are the core subjects of reservoir sweet spot prediction. The sandstone reservoir of the TX2 gas reservoir in the Zhongjiang Gas...
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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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Development characteristic and main controlling factors of the Ordovician karst caves in the Keping area, Tarim Basin
2024
This research endeavors to characterize the primary factors that influence the formation of Ordovician karst caves in the Keping area of China. A 3D digital model of the cave structure and fracture...
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Thank you reviewers!
2024
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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
2024
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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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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Process modelling of waste tyre pyrolysis for gas production using response surface methodology
2024
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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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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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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