
Mechanisms of stress distribution influenced by numerical
Multi-seam coal mining often leads to complex stress redistribution due to strong interlayer interactions. This study employs FLAC3D to investigate the influence of numerical model
Multiscale characteristics of pore-fracture structures in coal
To characterize the complexity of the coal body with a parameter or indicator, this research effort needs to be further expanded and enhanced because coal is a natural sorbent with
Multi-Scale Characterization of Pores and Fractures in
As the tectonism process has different impacts on the characteristics of pore structure on different scales, a comprehensive analysis is required to
Prediction of Coal Body Structure of Deep Coal Reservoirs
A mathematical method to identify and forecast coal texture of multiple and thin coal seams by using logging data in the Panguan syncline, western Guizhou, China.
Evaluation of Coal Body Structures and Their Distributions by
The distributions of the coal body structures in the Laochang block were the result of the combined effects of the coal thickness, goaf, tectonic type and tectonic stress field. These results may provide
Multi-Field Coupling Models of Coal and Gas and Their
Constructing a systematic theoretical framework of multiphysics field coupling is crucial for improving the safety and efficiency of gas extraction. This
Investigation of fracture propagation mechanisms and inter-borehole
These forces collectively act upon the surrounding coal body, promoting the expansion and interconnection of existing microfractures while inducing the formation of new cracks. This
Study on fracture development and failure characteristics of repeated
Taking a mine in Guizhou Province as the research background, a combination of similar simulation experiments and numerical simulation was used to analyse the spatial distribution of
Frontiers | Numerical study on migration of overlying strata and
Compared with the single-coal seam mining, the mechanism of the overburden fracture and crack propagation caused by multi-coal seams mining is more complex, which has not been fully
Multiscale characteristics of pore-fracture structures in coal
Shortly, with the advantage of the current development of big data technology, the acquisition of reservoir pore parameter data sets and multi-scale reservoir fluid transport images will
Multi-scale quantitative characterization of three-dimensional pores
The developmental characteristics, distribution patterns, and morphological and structural differences of pores and fissures in these types of structural coal were examined using X-ray
Prediction of Coal Body Structure of Deep Coal Reservoirs
Deep coalbed methane (CBM) extraction shows that coal body structure (CBS) influences the original pore and permeability conditions of a coal reservoir and that it has a significant
Multi-physics simulation of air distribution and coal feeding
However, the combined effects of coal feeding and secondary/over-fire air distribution have not been systematically evaluated. This study investigated a 350 MW supercritical once-through
Multiscale Pore–Fracture Structure Characteristics of Deep Coal
The pore–fracture structure of deep coal deposits is highly important for the potential evaluation, investigation, and utilization of deep coalbed methane resources. This study used
Pore size distributions and pore multifractal characteristics
Based on the experimental data of mercury intrusion porosimetry (MIP) and nitrogen adsorption (NA), the pore size distributions (PSDs) of medium and low-rank coals were studied.
Analysis and Characterization of Micro–Nano Pores in Coal
Coalbed methane represents a promising source of clean and efficient unconventional energy. The intricate network of micro–nano pores within coal serves as the primary adsorption
Study on the Multi-Field Coupling Effect and Temperature Evolution
The multi-field coupling relationship and temperature evolution mechanism of gas-containing coal in areas affected by geological structures were investigated, focusing specifically on
Fabrication of multi-coal seam physical model and wavefield
The results show that the solid acquisition can obtain direct wave, surface wave, wave impedance interface reflection wave and interlayer multiple wave at the top and bottom interface of
This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.