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Study on Ultimate Strength and Dip Effect of Coal Pillar in Steeply Dip** Coal Seam
The stability of the coal pillar is the basis of safe and efficient mining in the longwall working face of steeply dip** coal seams. Based on a...
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Application of MGI Inversion Technology in Coal Seam Thickness Prediction
The overlying strata of the No. 8 coal seam in Block XX of the Ordos Basin are Taiyuan Formation limestone, and the underlying strata are Benxi...
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Numerical modelling of rockburst mechanism in a steeply dip** coal seam
Rockbursts that occurred in steeply dip** coal seams (SDCSs) are frequent and hazardous, and the resultant damage characteristics are different...
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Refinement Study on the Water-Inrush Risk of Close-Distance Thin Coal Seam Mining with Pressure in the Lower Coal Seam
This study focused on the water-inrush risks associated with close-distance mining of thin coal seams under with pressure, using a single working...
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Permeability Evolution of Coal Seam Roof Sandstone Under Thermal Treatment
The permeability evolution for coal seam roof overburden subjected to high temperature plays a significant role in efficient, clean, and safe...
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Microseismic Monitoring of Failure Mechanisms in Extra Thick Coal Seam Surrounding Rock
Fully-mechanized caving mining with a substantial mining height is inevitably accompanied by alterations in the surrounding rock, coal seam...
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Assessment of Coal Seam Strength Weakening During Carbon Sequestration: An Integrated Learning Approach
Carbon sequestration in deep, unmineable coal seams is a viable strategy for carbon reduction. However, the impact of CO 2 on coal mechanical...
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Ground fissure development regularity and formation mechanism of shallow buried coal seam mining with Karst landform in Jiaozi coal mine: a case study
A comprehensive study was undertaken at Jiaozi coal mine to investigate the development regularity of ground fissures in shallow buried coal seam...
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Gas Migration Law and Precision Extraction in Close Distance Coal Seam Goaf: A Case Study
Gas disasters are more prominent in complex coal conditions, especially for the close distance coal seam mining that the gas control in the upper...
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Large-Scale Network Fracturing Practice in Deep Coal Seam in Eastern Ordos Basin
No.8 coal seam of Benxi Formation in Shenmu-Jiaxian Block in eastern Ordos Basin are characterized by tight, low permeability and developed beddings...
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Effect of damage zone around borehole on carbon dioxide injection promoted gas extraction in soft and low-permeability coal seam
Injecting external CO 2 into soft and low-permeability coal seams can improve CH 4 extacctinn efficiency, and also benefit in CO 2 sequestration....
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Geological modeling of coalbed methane reservoirs in the tectonically deformed coal seam group in the Dahebian block, western Guizhou, China
The widely spread Carboniferous-Permian coal seam group in southern China has great potential for coalbed methane resources, but the extensively...
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Study on the technology of permeability enhancement of deep hole pre-splitting blasting in a low-permeability coal seam
In order to increase the permeability of low permeability and high gas coal seam and improve the efficiency and utilization of gas extraction, the...
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Mining-induced stress evolution mechanism and control technology of working face in deep coal seam bifurcation and merging area: a case study
The strong mine pressure disaster easily induced by the high stress concentration area of deep coal seam bifurcation and merging area (CSBMA)....
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Quantification of Gas Transport Behavior During Coalbed Methane Extraction in A Coal Seam Considering a Dual-Porosity/Single-Permeability Model
Due to the inherent deposition environment and extraction challenges in a coal seam, quantification of its gas transport behavior serves as the...
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Characteristics of Mining-Induced Fractures Under Inclined Coal Seam Group Multiple Mining and Implications for Gas Migration
The accurate identification of gas migration channels and enrichment regions is essential for the utilization of gas resources and safe coal mine...
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Amplitude variation with offset and azimuth inversion to predict and evaluate coal seam fracture parameters
Amplitude variation with offset and azimuth (AVOA) inversion is a mainstream method for predicting and evaluating fracture parameters of conventional...
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Influencing Factors and Adaptability of Working Face Length in Deep Thick Coal Seam
In order to study the influencing factors of the working face length in deep buried thick coal seam, the 1,106,110 working face of Meihua**g Coal...
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Study on surface subsidence prediction method of shallow coal seam backfill-strip mining under the hard roof
Because of the easily caused damage to ground buildings by shallow coal seam mining under the hard roof, backfill-strip mining has been gradually...
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Formation Mechanism of Thick Coal Seam in the Lower Indus Basin, SE Pakistan
The energy sector and coal scientists have been enthusiastic about characterizing and understanding the vertical and lateral depositional systems of...
