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Meikuang Anquan, 2021 China has a large number of abandoned coal mines, many of which are highly gassy mines. Considering the pros and cons of gas occurrence in abandoned coal mine and its timeliness characteristics, it is considered that there is an urgent need to develop ...
WU Jingang, MAO Junrui
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Evaluation method for abandoned coal mine gas storage reservoir sites [PDF]
You-qi chuyun, 2023 Underground gas storage plays an important role in the strategic reserve, peak shaving and stable supply of natural gas. Due to the complex geological conditions in China, very limited sites are available for the construction of gas storage.
Xiaoming SHI +4 more
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Frontiers in Earth Science, 2022 Many coal mines are being abandoned for economic and environmental reasons in China. The repurposing of abandoned open-pit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and ...
Liu Qinjie, Tianhong Yang, Feiyue Liu
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Gas Storage Model of Residual Coal Adsorption in Abandoned Mine
Adsorption Science & Technology, 2023 Due to the insufficient accurate evaluation model of gas resources in abandoned mines, the development and utilization of abandoned mine gas resources in China are still in the preliminary exploration stage.
San Zhao +3 more
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Research status and development trend of compressed air energy storage in abandoned coal mines [PDF]
Meitan kexue jishu, 2023 Compressed air energy storage (CAES) has the advantages of low construction cost, small equipment footprint, long storage cycle and environmental protection.
Tongbin ZHAO +5 more
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Study on the multi-source response characteristics and damage evolution mechanisms of graphene-modified concrete [PDF]
Scientific ReportsIn deep underground engineering, lining concrete structures in underground gas storage facilities are exposed to prolonged high in-situ stress and intense disturbances, which increase their susceptibility to progressive damage and sudden instability ...
Qiang Fu +8 more
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Gas drainage and optimal arrangement of boreholes based on permeability anisotropy
Geomatics, Natural Hazards & Risk, 2023 Based on the true triaxial dynamic anisotropic permeability model of coal and rock, a multi field coupling mathematical model of structurally anisotropic coal seams under true triaxial stress was established, and a numerical simulation experiment of ...
Minke Duan +6 more
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Study on Damage Law of Raw Coal Based on Different Characterization Methods
Advances in Civil Engineering, 2022 The different damage variables equation based on strain, energy dissipation, acoustic emission (AE), and permeability characteristics under tiered cyclic loading were defined.
Minke Duan +5 more
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Impact of water accumulation in abandoned mines on adjacent production mines
Gong-kuang zidonghua, 2022 The goaf water accumulation of abandoned mine will damage the strength of boundary coal pillar, cause coal pillar failure, and pose a threat to the safety of adjacent production mine.
HAO Hongjun +5 more
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Research status and reduction strategies of methane emissions from closed/abandoned coal mines
Meitan xuebao, 2023 With the global transition to a low-carbon energy structure, coupled with the depletion of coal mine resources, gas disasters, and other problems, the number of closed/abandoned coal mines is increasing rapidly.
Yunpei LIANG +5 more
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