Results 11 to 20 of about 24,090 (252)

Excess pore pressure behavior and evolution in deep coalbed methane reservoirs

International Journal of Mining Science and Technology
Deep coalbed methane (DCBM), an unconventional gas reservoir, has undergone significant advancements in recent years, sparking a growing interest in assessing pore pressure dynamics within these reservoirs. While some production data analysis techniques have been adapted from conventional oil and gas wells, there remains a gap in the understanding of ...
Changqing Liu, Zhaobiao Yang, Yong Qin, Xia Yan, Yunhai Wang, Zhe Wang   +5 more
semanticscholar   +5 more sources

Study on the Physical Properties of Deep Coalbed Methane Reservoirs

International Journal of Natural Resources and Environmental Studies
China has abundant deep coalbed methane (CBM) resources. Exploration and development efforts this year have revealed that deep CBM reservoirs are characterized by large resource volumes, intact coal structures, high gas content, high gas saturation, and significant development potential.
Pengxiang Wang, Wanying Yu, Juan Huang, Qiang Zou, Zhengtao Yang   +4 more
openaire   +2 more sources

Equivalent Modeling and Simulation of Fracture Propagation in Deep Coalbed Methane

Energies
Deep coalbed methane (CBM) is challenging to develop due to considerable burial depth, high ground stress, and complex geological structures. However, modeling deep CBM in complex formations and setting reasonable simulation parameters to obtain reasonable results still needs exploration.
Cong Xiao, Jiayuan He, Lin Meng, Rusheng Zhang, Dong Xiong   +4 more
openaire   +2 more sources

Reservoir reconstruction technologies for coalbed methane recovery in deep and multiple seams

International Journal of Mining Science and Technology, 2017
Multiple coal seams widely develop in the deep Chinese coal-bearing strata. Ground in situ stress and coal seam gas pressure increase continuously with the increase of the mining depth, and coal and gas outburst disasters become increasingly severe.
Liang Wang, Shimin Liu, Yuanping Cheng, Guangzhi Yin, Dongming Zhang, Pinkun Guo   +5 more
openaire   +4 more sources

Coal-forming sedimentary model and its control on vertical reservoir heterogeneity of the upper carboniferous Benxi formation in Ordos basin, China [PDF]

Scientific Reports
The Upper Carboniferous Benxi Formation in the Ordos Basin contains thick coal layers, showing good potential for deep coalbed methane exploration.
Yaxuan Zhang, Chenjun Wu, Yu Li, Jiabei Li, Chenjun Feng, Bo Li, Zhigang Wen, Xiaona Liu   +7 more
doaj   +2 more sources

Analysis of production characteristics and engineering measures for deep coalbed methane wells in the Ordos Basin

Iraqi Journal of Chemical and Petroleum Engineering
   Given the significant differences in gas accumulation modes, coal reservoir characteristics, and gas preservation conditions for ultra-deep coalbed methane (vertical depth > 3000 m, measured depth > 5000 m), their production characteristics, flowback
Zhao Zhengyan, Tan Xiaohua, Wang Xianwen, Tian Wei, Jia Youliang   +4 more
doaj   +2 more sources

Carbon isotopic signature of coal-derived methane emissions to the atmosphere: from coalification to alteration [PDF]

, 2016
Currently, the atmospheric methane burden is rising rapidly, but the extent to which shifts in coal production contribute to this rise is not known.
A. Jasek, B. F. J. Kelly, C. P. Iverach, D. Lowry, E. G. Nisbet, E. Ginty, G. Zazzeri, J. L. France, J. L. France, J. M. Necki, M. Lanoisellé, M. Zimnoch, R. E. Fisher   +12 more
core   +2 more sources

Comparison of seam network morphology in coal reservoirs under different fracturing scales: A case of Yanchuannan CBM Gas Field [PDF]

Youqicang pingjia yu kaifa
Significant advancements in deep Coal Bed Methane（CBM）development have been achieved through the adoption of reservoir reforming technology, characterized by the utilization of large sand volumes and large fracturing fluid volumes in Yanchuannan CBM Gas ...
LIU Xiao
doaj   +1 more source

Accumulation characteristics and exploration potential of deep coalbed methane in Changning area of Sichuan Basin [PDF]

Youqicang pingjia yu kaifa
The Sichuan Basin is rich in coalbed methane resources, and shallow coalbed methane in the Junlian area has been commercially developed. In the adjacent Changning area, multiple drilling wells have tested and obtained gas in the Permian coal seam ...
YANG Xue, TIAN Chong, YANG Yuran, ZHANG Jingyuan, WANG Qing, WU Wei, LUO Chao
doaj   +3 more sources

Thingking and utilization technology of coalbed methane in soft and low permeability coal seams in Huainan Mining Area

Meitan kexue jishu, 2022
In order to solve the problems that restrict the efficient development of coalbed methane resources under the conditions of soft and low permeability outburst coal seams in Huainan Mining Area, such as complex coal seam structure, multi-source gas ...
Xiangxi KONG, Yongzhi TANG, Ping LI, Chuanbing WANG, Jian CHEN, Yanqing LI, Benqing YUAN, Benliang CHEN, Min YE   +8 more
doaj   +1 more source