Results 21 to 30 of about 1,809 (225)

Analysis of the Coal and Gas Outburst Mechanism from the Perspective of Tectonic Movement

Geofluids, 2021
Coal and gas outburst is the extreme instability caused by stress, gas, and coal. In this review article, dominant factors and inducing factors of outburst were summarized; geologic features of typical outburst cases and the effects of tectonic movement ...
Qingyi Tu, Yuanping Cheng, Sheng Xue, Ting Ren, Xiang Cheng   +4 more
doaj   +1 more source

Experimental Study on Adsorption Pore Structure and Gas Migration of Coal Reservoir Using Low-Field Nuclear Magnetic Resonance

Advances in Civil Engineering, 2020
For the quantitative recognition and characterization of the flow characteristics of polymorphism coalbed gas in tectonic coal, experiments on pore morphology, pore diameter distribution, and methane adsorption law in outburst tectonic coal were carried ...
Jiazhuo Li, Penghui Guo, Wenhao Xie, Jiaqi Chu, Zhiqiang Yin, Anying Yuan, Ming Zhang, Zhenhua Jiao   +7 more
doaj   +1 more source

Characteristics of stratified coal reservoirs in Liupanshui coalfield of Guizhou Province and exploration and development direction of coalbed methane [PDF]

Youqicang pingjia yu kaifa
Guizhou Province is rich in coalbed methane（CBM） resources; however, the development of tectonic coal constrains the increase of reserves and production.
QIU Wenci, SANG Shuxun, GUO Zhijun, HAN Sijie, ZHOU Xiaozhi, ZHOU Peiming, WU Zhangli, SANG Guoyun, ZHANG Binbin, GAO Wei
doaj   +3 more sources

Coalfield structure and structural controls on coal in China

International Journal of Coal Science & Technology, 2020
The occurrence of coal-bearing strata in a variety of coal-bearing basins of China is characterized by late tectonic deformation and remarkable spatial and geochronologic differences.
Daiyong Cao, Anmin Wang, Shuzheng Ning, Huantong Li, Aijun Guo, Limin Chen, Kang Liu, Jieqing Tan, Zhihong Zheng   +8 more
doaj   +1 more source

Multiple-Level Tectonic Control of Coalbed Methane Occurrence in the Huaibei Coalfield of Anhui Province, China

Energies, 2022
The Huaibei coalfield is an important coal base and one of the hot spots of coalbed methane development in China. Therefore, a detailed understanding of gas occurrence in the Huaibei coalfield is of great significance.
Zhigen Zhao, Sheng Xue
doaj   +1 more source

Tectonic control law and zoning division of coal seam gas occurrence in Sichuan Province

Energy Exploration & Exploitation, 2023
Understanding the coal seam gas occurrence law is the premise and foundation of gas disaster prevention and production planning. The tectonic control law and zoning division of gas occurrence in Sichuan Province have been discussed, based on the gradual ...
Tianrang Jia, Jianlong Xiong, Jiangwei Yan   +2 more
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Laboratory Study on Changes in the Pore Structures and Gas Desorption Properties of Intact and Tectonic Coals after Supercritical CO₂ Treatment: Implications for Coalbed Methane Recovery

Energies, 2018
Tectonic coals in coal seams may affect the process of enhanced coalbed methane recovery with CO2 sequestration (CO2-ECBM). The main objective of this study was to investigate the differences between supercritical CO2 (ScCO2) and intact and tectonic ...
Erlei Su, Yunpei Liang, Lei Li, Quanle Zou, Fanfan Niu   +4 more
doaj   +1 more source

Effects of Borehole Arrangement on Methane Migration and Implications for High Efficiency Extraction in Intact and Tectonic Combined Coal Seams

Geofluids, 2022
Gas extraction by bedding boreholes is a key means to realize safe mining of coal mine and protect the environment. The traditional bedding boreholes are usually constructed in the center of the coal seam, which may not obtain a high methane extraction ...
Chenxu Chang, Jun Dong, Wenqiang Ju
doaj   +1 more source

Coalbed Methane Reservoir Parameter Prediction and Sweet-Spot Comprehensive Evaluation Based on 3D Seismic Exploration: A Case Study in Western Guizhou Province, China

Energies, 2022
As a kind of clean energy, the exploration and development of coalbed methane (CBM) are of great importance and significance. In this paper, the CBM reservoir parameters of a working area in Western Guizhou Province, China, were predicted by using 3D ...
Yuanlong Wei, Lingyun Zhao, Wei Liu, Xiong Zhang, Zhijun Guo, Zhangli Wu, Shenghui Yuan   +6 more
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An Experimental Study on Preparation of Reconstituted Tectonic Coal Samples: Optimization of Preparation Conditions

Energies, 2021
The uniquely soft and fragile nature of tectonic coal makes it difficult to obtain core samples suitable for laboratory experimentation. Preparation of reconstituted tectonic coal (RTC) samples generally adopts the secondary forming method. Reliable coal
Jishi Geng, Liwen Cao, Congyu Zhong, Shuai Zhang   +3 more
doaj   +1 more source