Search
Search Results
-
Formation environment and hydrocarbon potential of the Paleogene En** Formation coal measures in the Zhu I Depression of northern South China Sea
The coal-measure source rock in the Chinese sea area plays a significant role as a hydrocarbon source rock, with its genetic environment, development...
-
Differentiation of Carbon Isotope Composition and Stratabound Mechanism of Gas Desorption in Shallow-Buried Low-Rank Multiple Coal Seams: Case Study of Well DE-A, Northeast Inner Mongolia
The desorbed gas composition and δ 13 C (CH4) and δ D (CH4) of five coal groups in Well DE-A of the Labudalin Basin in northeastern Inner Mongolia show...
-
Astronomical influence of the development of Paleogene thin coal seam groups in offshore Lacustrine basins: A case study of the Zhu I Depression’s En** Formation located in the northern South China Sea
The development of the Paleogene coal seams in China’s offshore basin areas generally had the characteristics of coal measures with large...
-
Karst hydrogeological characteristics of **dong large coal basin, northern China
**dong coal basin is one of the 14 large coal basins planned and constructed by the state, and groundwater resources play an important role in...
-
Main control factors of coalbed methane occurrence differences in adjacent coal seams - a case study of Luling coal mine, Huaibei Coalfield, China
Coalbed methane (CBM) is a natural gas resource related with coal deposits. In general, Gas status parameters gradually with the depth of the...
-
The evolution characteristics of fractures in overlying rock for underground coal fires
Fractures generated in the overlying rock of coalfield fire areas can develop into air leakage and oxygen supply channels, thus hel** sustain and...
-
Combined electrical resistivity tomography and high-resolution shallow seismic analysis for coal exploration in Talcher Coalfield, India
Talcher Coalfield is one of the most important coalfields considering thermal grade coal reserves in India; nevertheless, hardly any published...
-
Burnt coal field detection via magnetic exploration
The spontaneous combustion of coal seams is a common problem in coal-producing countries. Coal fires cause wastage of coal resources and land...
-
Hydrogeochemical Mechanisms and Hydraulic Connection of Groundwaters in the Dongming Opencast Coal Mine, Hailar, Inner Mongolia
The identification of water sources and hydraulic connectivity in different aquifers within coal mines is crucial for effective groundwater...
-
Application of Artificial Neural Network to Evaluate Coalbed Methane Exploration Potential: A Case Study from Permian Longtan Formation, Shuicheng, Guizhou
The Shuicheng area in Guizhou (China) contains extensive coalbed methane (CBM) resources in the Permian Longtan Formation and it has high potential...
-
Origin and geological control of desorbed gas in multi-thin coal seam in the Wujiu depression, Hailar Basin, China
To understand the natural gas characteristics of multi-thin coal seam, this study selected the desorbed gas of coal seams in different layers of Well...
-
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...
-
Analysis of Fracture Evolution Characteristics and Formation Mechanism of Inter-Layer Rock Under Different Mining Areas
As the shallow coal seams are gradually being exhausted, mining of the lower group of coal seams in the shallowly buried proximity coal seam group...
-
Predicting the Height of the Water-Conducting Fractured Zone in Fully Mechanized Top Coal Caving Longwall Mining of Very Thick Jurassic Coal Seams in Western China Based on the NNBR Model
The focus of China’s coal mining in recent years has shifted to western China, which has a fragile ecological environment. The Jurassic coal in this...
-
Accumulation and Enrichment Model of Coal Series Gas in the Z Block on the Eastern Margin of the Ordos Basin
The Z Block is located in the eastern part of the Yishan Slope in the Ordos Basin, adjacent to the western margin of the **xi flexual fold belt and...
-
A Comparative Study of Pre-Stack Fracture Prediction Methods for Coal Bed Methane
The No.8 coal seam in the Taiyuan Formation of the lower Permian with a burial depth greater than 2,000 m in the XX block of the eastern margin of...
-
Fractal characteristics of mining-induced overburden fracture development during fully mechanized coal mining
In the process of coal mining, the residual goaf will destroy the stress balance state of the overlying strata, which will result in a large number...
-
Experimental studies on the effects of thermal damage in coal-derived mudstones caused by high temperatures
The study of the thermophysical properties of coal bed mudstone at high temperatures is important for the development of compartmentalized in-situ...
-
Crack propagation at edges of coal pillars and the disaster zoning in surrounding rocks in lower coal seams during the mining of closely spaced coal seams
Influenced by the mining of upper coal seams, the surrounding rocks of mining roadways in the lower coal seams of closely spaced coal seams (CSCSs)...
-
Prediction method and research on characteristics of surface subsidence due to mining deeply buried Jurassic coal seams
Jurassic coal seams are a common geological feature in the mining areas of western China. Deeply buried Jurassic coal seams were mined in the...
