Results 11 to 20 of about 4,868 (217)

Experimental Study on the Oxidation Reaction of Coal-Pyrite and Mineral-Pyrite with the Participation of Fe(III) and Bacteria under Acidic Conditions

Energies, 2023
As one of the crucial factors contributing to coal spontaneous combustion, the oxidation of pyrite is a complex process involving multiple reactions, particularly in the presence of oxidants (Fe3+ and O2) and bacteria. However, experimental results based
Mengya Ma, Wenfeng Wang, Kun Zhang, Zhixiang Shi   +3 more
doaj   +1 more source

Evolution of pore structure, submaceral composition and produced gases of two Chinese coals during thermal treatment [PDF]

, 2017
This research was funded by the Research Program for Excellent Doctoral Dissertation Supervisor of Beijing (grant no. YB20101141501), the Fundamental Research Funds for Central Universities (grant no.
Cai, Yi-Dong, Che, Yao, Liu, Da-Meng, Liu, Zhi-Hua, Zhou, Ying-Fang   +4 more
core   +1 more source

Design and Application of Fluid Pump Drainage Gas Recovery Technology in Dongsheng Gas Field

Shiyou jixie
To effectively address the bottleneck problems of high injection pressure and high energy consumption of hydraulic jet pump technology， it is urgent to improve and optimize the drainage gas recovery technology of high water-production gas wells.
Zhou Ruili, Luo Yi, Qiao Qianyu, Wu Weiran, Yang Feishan, Zhao Rundong, Xue Zhaoyang   +6 more
doaj   +1 more source

Challenges and development direction of deep fragmented soft coalbed methane in China

Earth Energy Science
Yiyu Lu, Guilin Zhao, Zhaolong Ge
exaly   +2 more sources

Montana Bureau of Mines and Geology [PDF]

The Montana Bureau of Mines and Geology is the principal source of earth science information for the citizens of Montana. The bureau provides extensive advisory, technical, and informational services on geologic, mineral, energy, and water resources in ...

core   +2 more sources

Horizontal stress anisotropy and effective stress as regulator of coal seam gas zonation in the Sydney Basin, Australia [PDF]

, 2014
Coal seam gas zonation in the Sydney Basin, NSW, Australia is related to basin hydrodynamics and hydrochemical facies evolution along the flow path from the subcrop to the basin center.
Burra, Agi, Esterle, Joan S., Golding, Suzanne D.   +2 more
core   +1 more source

Influence of tight sandstone gas in roof on gas production in deep coalbed methane wells: A case study of Shenfu block in Ordos Basin [PDF]

Youqicang pingjia yu kaifa
In the Shenfu block located on the eastern margin of the Ordos Basin, the deep coal seam is intimately interlayered with the tight sandstone layer. During the development of deep coalbed methane, a notable phenomenon has been observed whereby tight ...
WANG XIAODONG, WANG YUCHUAN, LIANG XIAOLEI, KANG LIFANG, CHAO WEIWEI, LIU SHIQI, HUANG FANSHENG, WANG WENKAI, LIANG YU   +8 more
doaj   +2 more sources

Geological characteristics and key technologies for exploration and development of coalbed methane in Zhijin Block of Guizhou Province

Meitan kexue jishu
Zhijin Block has drilled over 50 wells, conducting research and tests on various well types, commingled horizons, and fracturing methods. The proven geological reserves of coalbed methane (CBM) in the Zhucang Sub-syncline are 113×108 m3, making it one of
Xipeng HE, Tao GUO, Yuqiao GAO, Yatong ZHOU, Kening HAN, Xiao CAI, Chao LI, Cui XIAO   +7 more
doaj   +1 more source

Hydrological characters of coal reservoir and their significances on coalbed methane development: A review

Meitan kexue jishu, 2023
The development of coalbed methane resources in China has broad prospects, and the evolution process of coalbed water and its transportation law has important impacts on coalbed methane production capacity.
Xinyue ZHAO, Bo WEI, Liang YUAN, Yanyan GE, Yong HU, Xin LI, Maomao WANG, Chao JIA, SHAN Mayila·AI, Jijun TIAN   +9 more
doaj   +1 more source

Solute Concentrations Influence Microbial Methanogenesis in Coal-bearing Strata of the Cherokee Basin, USA [PDF]

, 2015
Microorganisms have contributed significantly to subsurface energy resources by converting organic matter in hydrocarbon reservoirs into methane, the main component of natural gas.
Brien H Wilson, Brien H Wilson, David S Vinson, Kyle A Marquart, Lydia H Zeglin, Matthew F Kirk, Theodore M Flynn   +6 more
core   +3 more sources