Search Results - "Deng, Bozhi"
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1
True Triaxial Experimental Study of Disturbed Compound Dynamic Disaster in Deep Underground Coal Mine
Published in Rock mechanics and rock engineering (01-05-2020)“…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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2
Deformation and permeability evolution of coals considering the effect of beddings
Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01-05-2019)“…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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3
Anisotropic Mechanical Properties and the Permeability Evolution of Cubic Coal Under True Triaxial Stress Paths
Published in Rock mechanics and rock engineering (01-08-2019)“…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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4
Directional permeability evolution in intact and fractured coal subjected to true-triaxial stresses under dry and water-saturated conditions
Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01-07-2019)“…Investigations of the directional permeability evolution of intact and fractured coal are conducted under different simulated geological conditions. The…”
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5
Kinetic behavior of heterogeneous sorption deformation on coal: Effect of maceral/micro-lithotype distribution
Published in International journal of coal geology (01-12-2019)“…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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6
Pore structure response at different scales in coal to cyclical liquid nitrogen treatment and its impact on permeability and micromechanical properties
Published in Geomechanics and geophysics for geo-energy and geo-resources. (01-12-2024)“…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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7
Study on Gas Migration Law of Mining Coal Seam under the Influence of Normal Fault
Published in Geofluids (05-09-2022)“…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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8
Field Investigation of Hydraulic Fracturing in Coal Seams and Its Enhancement for Methane Extraction in the Southeast Sichuan Basin, China
Published in Energies (Basel) (01-12-2018)“…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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9
Permeability evolution of anthracite coal considering true triaxial stress conditions and structural anisotropy
Published in Journal of natural gas science and engineering (01-04-2018)“…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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10
Feature of fractures induced by hydrofracturing treatment using water and L-CO2 as fracturing fluids in laboratory experiments
Published in Fuel (Guildford) (15-08-2018)“…•Different stimulation mechanism was found in hydrofracturing treatment under different conditions.•Preexisting flaws had a significant effect on breakdown…”
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11
Comparative study on hydraulic fracturing using different discrete fracture network modeling: Insight from homogeneous to heterogeneity reservoirs
Published in Engineering fracture mechanics (19-05-2023)“…•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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12
Evaluation of structural damage and gas transportability change in coal subjected to ultrasound stimulation using image-based modeling and permeability tests
Published in Fuel (Guildford) (01-10-2023)“…•Characterization of structural changes in coal fractures by CT image-based modeling.•Ultrasound treatment improves the fracture aperture and interconnectivity…”
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13
Influence of weak interlayer thickness on mechanical response and failure behavior of rock under true triaxial stress condition
Published in Engineering failure analysis (01-08-2024)“…•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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14
Impact of injection pressure on CO2–enhanced coalbed methane recovery considering mass transfer between coal fracture and matrix
Published in Fuel (Guildford) (15-05-2017)“…•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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15
Insights into the Nanoscale Microstructure Diversity of Different Rank Coals
Published in Energy & fuels (15-09-2022)Get full text
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16
Mechanisms underlying variations in pore structures and permeability in response to thermal treatment and their implications for underground coal utilization
Published in Powder technology (01-08-2024)“…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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17
Experimental Study on the Mechanical Stability and Mesoscopic Damage Characteristics of Coal Under Different Mining Disturbance Rates
Published in Rock mechanics and rock engineering (01-05-2024)“…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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18
The pixel crack reconstruction method: From fracture image to crack geological model for fracture evolution simulation
Published in Construction & building materials (01-03-2021)“…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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19
Experimental investigation of fracture propagation induced by carbon dioxide and water in coal seam reservoirs
Published in Powder technology (01-10-2018)“…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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20
Permeability evolution and mesoscopic cracking behaviors of liquid nitrogen cryogenic freeze fracturing in low permeable and heterogeneous coal
Published in Powder technology (01-02-2018)“…Fracking to approach permeability enhancement is indispensable to enhance coalbed methane recovery, which can significantly reduce greenhouse gas emissions and…”
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