Search Results - "Deng, Bozhi"

True Triaxial Experimental Study of Disturbed Compound Dynamic Disaster in Deep Underground Coal Mine by Lu, Jun, Yin, Guangzhi, Gao, Heng, Li, Xing, Zhang, Dongming, Deng, Bozhi, Wu, Mingyang, Li, Minghui

“…With the increase of coal extracting depth, a considerable number of dynamic disasters display the co-occurrence and coupling effect of rockburst and coal–gas…”
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Deformation and permeability evolution of coals considering the effect of beddings by Liu, Chao, Yin, Guangzhi, Li, Minghui, Shang, Delei, Deng, Bozhi, Song, Zhenlong

“…Coal belongs to sedimentary rock with obvious bedding planes. The existence of bedding weakens the continuity and integrity of coal. Deformation and…”
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Anisotropic Mechanical Properties and the Permeability Evolution of Cubic Coal Under True Triaxial Stress Paths by Liu, Yubing, Yin, Guangzhi, Li, Minghui, Zhang, Dongming, Deng, Bozhi, Liu, Chao, Lu, Jun

“…The geological sequestration of CO 2 , underground coal mining, and coalbed methane production in deep coal reservoirs is executed under high levels of 3-D…”
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Directional permeability evolution in intact and fractured coal subjected to true-triaxial stresses under dry and water-saturated conditions by Liu, Yubing, Yin, Guangzhi, Zhang, Dongming, Li, Minghui, Deng, Bozhi, Liu, Chao, Zhao, Honggang, Yin, Siyu

“…Investigations of the directional permeability evolution of intact and fractured coal are conducted under different simulated geological conditions. The…”
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Kinetic behavior of heterogeneous sorption deformation on coal: Effect of maceral/micro-lithotype distribution by Shi, Farui, Deng, Bozhi, Yin, Guangzhi, Zhang, Dongming, Li, Minghui, Liu, Peng, Liu, Chao

“…The greenhouse effect has attracted increasing attention globally. The geologic sequestration of CO2 is considered as an effective method for reducing the…”
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Pore structure response at different scales in coal to cyclical liquid nitrogen treatment and its impact on permeability and micromechanical properties by Jiang, Changbao, Sun, Qi, Deng, Bozhi, Yang, Bowen, Guo, Jianquan

“…The methane in the coal seams of abandoned mines is a valuable natural gas resource. However, the ultra-low permeability of coal seams restricts the extraction…”
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Study on Gas Migration Law of Mining Coal Seam under the Influence of Normal Fault by Kang, Xiangtao, Tang, Meng, Jiang, Mingquan, Zhou, Cunliu, Hu, Jinguo, Ren, Jiachi, Deng, Bozhi

“…In order to study the coupling law of mining and gas migration in close coal seams in fault structure area, taking the coal mining face in Guizhou as the…”
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Field Investigation of Hydraulic Fracturing in Coal Seams and Its Enhancement for Methane Extraction in the Southeast Sichuan Basin, China by Zhang, Zuxun, Wang, Hongtu, Deng, Bozhi, Li, Minghui, Zhang, Dongming

“…Hydraulic fracturing is an effective technology for enhancing the extraction of reservoir methane, as proved by field experience and laboratory experiments…”
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Permeability evolution of anthracite coal considering true triaxial stress conditions and structural anisotropy by Liu, Yubing, Li, Minghui, Yin, Guangzhi, Zhang, Dongming, Deng, Bozhi

“…It is critical to understand the gas flow behavior in coal under a reservoir stress condition for coal bed methane production, underground coal mining, and…”
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Feature of fractures induced by hydrofracturing treatment using water and L-CO2 as fracturing fluids in laboratory experiments by Deng, Bozhi, Yin, Guangzhi, Li, Minghui, Zhang, Dongming, Lu, Jun, Liu, Yubing, Chen, Jiaqi

“…•Different stimulation mechanism was found in hydrofracturing treatment under different conditions.•Preexisting flaws had a significant effect on breakdown…”
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Comparative study on hydraulic fracturing using different discrete fracture network modeling: Insight from homogeneous to heterogeneity reservoirs by Wu, Mingyang, Jiang, Changbao, Song, Rui, Liu, Jianjun, Li, Minghui, Liu, Bo, Shi, Di, Zhu, Zhengwen, Deng, Bozhi

“…•Hydraulic fracture propagation is affected by different DFNs and their grids.•Initial in-situ stress field is affected by rock elastic modulus…”
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Evaluation of structural damage and gas transportability change in coal subjected to ultrasound stimulation using image-based modeling and permeability tests by Li, Quangui, Zhao, Zhengduo, Liu, Peng, Nie, Baisheng, Zhao, Yulong, Liu, Xianfeng, Deng, Bozhi, Wang, Mingjie

“…•Characterization of structural changes in coal fractures by CT image-based modeling.•Ultrasound treatment improves the fracture aperture and interconnectivity…”
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Influence of weak interlayer thickness on mechanical response and failure behavior of rock under true triaxial stress condition by Zhao, Honggang, Deng, Bozhi, Zhang, Dongming, Li, Minghui, Song, Zhenlong

“…•True triaxial stress state of rock mass containing weak interlayers near the free surface of tunnels is simulated.•Slip deformation above the weak interlayer…”
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Impact of injection pressure on CO2–enhanced coalbed methane recovery considering mass transfer between coal fracture and matrix by Yin, Guangzhi, Deng, Bozhi, Li, Minghui, Zhang, Dongming, Wang, Weizhong, Li, Wenpu, Shang, Delei

“…•Results of coal core flooding tests under different injection pressure are presented.•The influence of the mass transfer rate on the production efficiency is…”
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Insights into the Nanoscale Microstructure Diversity of Different Rank Coals by Nie, Baisheng, Zhao, Dan, He, Xueqiu, Kong, Fanbei, Zhang, Hao, Liu, Xianfeng, Deng, Bozhi, Lun, Jiayun

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Mechanisms underlying variations in pore structures and permeability in response to thermal treatment and their implications for underground coal utilization by Jiang, Changbao, Zeng, Yue, Deng, Bozhi, Wang, Chaoqun, Sun, Qi, Liu, Ping, Li, Lin

“…Coal remains a predominant energy source in today's society. However, the coal mining process is associated with severe environmental hazards, and combustion…”
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Experimental Study on the Mechanical Stability and Mesoscopic Damage Characteristics of Coal Under Different Mining Disturbance Rates by Nie, Baisheng, Zhang, Hao, Liu, Xianfeng, Li, Yue, Deng, Bozhi, He, Hengyi, Liu, Peng

“…The mechanical behavior of the coal body acted upon by varying pressure is very important for the stability analysis of the actual mining face. Based on the…”
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The pixel crack reconstruction method: From fracture image to crack geological model for fracture evolution simulation by Wu, Mingyang, Wang, Wensong, Zhang, Dongming, Deng, Bozhi, Liu, Shumin, Lu, Jun, Luo, Yafei, Zhao, Wanchun

“…To study the crack propagation mechanism in heterogeneous materials, a newly crack modeling method is proposed. [Display omitted] •A new method for the…”
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Experimental investigation of fracture propagation induced by carbon dioxide and water in coal seam reservoirs by Deng, Bozhi, Yin, Guangzhi, Zhang, Dongming, Li, Minghui, Liu, Yubing, Lu, Jun

“…Because of the low or ultra-low permeability of coal seams, hydraulic fracturing technology has been widely used to improve the permeability of coal seams in…”
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Permeability evolution and mesoscopic cracking behaviors of liquid nitrogen cryogenic freeze fracturing in low permeable and heterogeneous coal by Yin, Guangzhi, Shang, Delei, Li, Minghui, Huang, Jie, Gong, Tiancheng, Song, Zhenlong, Deng, Bozhi, Liu, Chao, Xie, Zhicheng

“…Fracking to approach permeability enhancement is indispensable to enhance coalbed methane recovery, which can significantly reduce greenhouse gas emissions and…”
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