Results 61 to 70 of about 246,283 (173)

In situ loading of a pore network model for quantitative characterization and visualization of gas seepage in coal rocks

Deep Underground Science and Engineering, Volume 4, Issue 3, Page 437-451, September 2025.
Fine modeling of a three‐dimensional fracture structure under dynamic loading of coal is carried out. The streamline distribution law of pressure and velocity field in the loading process of the coal specimen is analyzed, the absolute permeability of the coal specimen is calculated, and the feasibility of the pore network model algorithm and finite ...
Huazhe Jiao, Xi Chen, Tiegang Zhang, Quilligan Michael, Yixuan Yang, Xiaolin Yang, Tongyi Yang   +6 more
wiley   +1 more source

Coalbed Methane Enrichment Regularity and Model in the Xishanyao Formation in the Santanghu Basin, NW China

, 2023
The Santanghu Basin is a typical low-rank coal-bearing basin in northwest China, with abundant coalbed methane (CBM) resources. However, the understanding of the main controlling factors and reservoir formation models of CBM in low-rank coal is still ...
Diefang Huang, Longyi Shao, Xinning Li, Bin Sun, Yangyang Huang, Lixin Jiao, Jiamin Zhou, Junlang Zhang   +7 more
core   +1 more source

The Prediction of Coalbed Methane Layer in Multiple Coal Seam Groups Based on an Optimized XGBoost Model

Energies
The prediction of the optimal coalbed methane (CBM) layer plays a significant role in the efficient development of CBM in multiple coal seam groups. In this article, the XGBoost model optimized by the tree-structured Parzen estimator (TPE) algorithm was ...
Weiguang Zhao, Shuxun Sang, Sijie Han, Deqiang Cheng, Xiaozhi Zhou, Zhijun Guo, Fuping Zhao, Jinchao Zhang, Wei Gao   +8 more
doaj   +1 more source

Experimental Study on Prevention of Coal and Gas Outburst by Hydraulic Fracturing in High Gas Coal Mine in Yangquan Mining Area

Energy Science &Engineering, Volume 13, Issue 7, Page 3631-3643, July 2025.
ABSTRACT To investigate the hydraulic fracturing mechanism of high‐fluid wells in the Yangquan mining area, coal seams from the Xinyuan and Xinjing mines were selected as research subjects. Experiments were conducted using the TCQT‐III low‐permeability coalbed gas‐phase displacement and production enhancement apparatus, along with the FINESORB‐3120 ...
Zhou Zhang, Pengxiang Wang, Wanying Yu, Lifang Zhao, Yunxing Cao, Baoan Xian, Yibing Wang, Fei Zhang   +7 more
wiley   +1 more source

A new fracture permeability model of CBM reservoir with high-dip angle in the southern Junggar Basin, NW China

Energy Exploration & Exploitation, 2019
Predicting the permeability of coalbed methane (CBM) reservoirs is significant for coalbed methane exploration and coalbed methane development. In this work, a new fracture permeability model of coalbed methane reservoir with high-dip angle in the ...
Shiyu Yang, Yidong Cai, Ren Wei, Yingfang Zhou   +3 more
doaj   +1 more source

Experimental and Numerical Simulation Study of Hydraulic Fracture Propagation during Coalbed Methane Development

Geofluids, 2021
The extraction of low-permeability coalbed methane (CBM) has the dual significance of energy utilization and safe mining. Understanding hydraulic fracturing mechanism is vital to successful development of CBM.
Qingshan Ren, Yaodong Jiang, Pengpeng Wang, Guangjie Wu, Nima Noraei Danesh   +4 more
doaj   +1 more source

Spatial Reconstruction of Pore‐Crack Microstructure and Its Topological Configuration Relationship With Connectivity and Pore‐Scale Flow in Coal by 3D‐XRM

Energy Science &Engineering, Volume 13, Issue 6, Page 3031-3044, June 2025.
ABSTRACT In consideration of the significance of connectivity features and topological relationships within the pore‐crack network, the micro‐scale pore‐crack microstructure of intact and tectonic coals from Qinan was investigated in 3D spatial visualization using digital core technology.
Congmeng Hao, Haoyu Zhang, Xuepeng Zhang, Ruxiang Ma, Kaizhong Zhang, Xiangqian Xing   +5 more
wiley   +1 more source

Coalbed methane in the Upper Silesian Coal Basin [PDF]

, 2008
Coalbed methane (CBM) should be considered complementary to conventional gas. CBM resource is estimated at 28.5 billion m3 for active coal mines in the Upper Silesian Coal Basin (USCB) and 124.5 billion m3 for the prospective areas outside of coal mines.
Kwarciński, J., Hadro, J.
core  

Numerical Simulation of Deep Coalbed Methane Development Based on Embedded Discrete Fracture Model: A Triple Medium Flow Approach

Energy Science &Engineering, Volume 13, Issue 6, Page 3045-3062, June 2025.
ABSTRACT China is rich in coalbed methane resources, especially with significant potential for deep coalbed methane development. As shallow coalbed methane resources gradually deplete, the development of deep coalbed methane has become a research focus.
Yongsheng An, Zhongwen Sun, Jin Wang, Xiaoyu Zhang, Yangfeng Sun   +4 more
wiley   +1 more source

Division of coalbed methane desorption stages and its significance

Petroleum Exploration and Development, 2014
To quantitatively analyze the effect of desorption characteristics on productivity, a division method of coalbed methane (CBM) desorption stages was established based on the Langmuir adsorption isothermal theory, and the indicating significance of the ...
Yanjun MENG, Dazhen TANG, Hao XU, Yingjie QU, Yong LI, Wenzhong ZHANG   +5 more
doaj   +1 more source