Results 81 to 90 of about 1,653 (179)

A novel surrogate model with deep learning for predicting spacial-temporal pressure in coalbed methane reservoirs

Natural Gas Industry B
Coalbed methane (CBM) is a vital unconventional energy resource, and predicting its spatiotemporal pressure dynamics is crucial for efficient development strategies.
Yukun Dong, Xiaodong Zhang, Jiyuan Zhang, Kuankuan Wu, Shuaiwei Liu   +4 more
doaj   +1 more source

Selection of coals of different maturities for CO2 Storage by modelling of CH4 and CO2 adsorption isotherms [PDF]

, 2011
International audienceCO2 injection in unmineable coal seams could be one interesting option for both storage and methane recovery processes. The objective of this study is to compare and model pure gas sorption isotherms (CO2 and CH4) for well ...
Défossez, Pierrick, Finqueneisel, G., Garnier, C., Gaucher, Eric C., Lafortune, S., Pokryszka, Z., Zimny, Thierry   +6 more
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Progress and insights from worldwide deep coalbed methane exploration and development

Shiyou shiyan dizhi
Since 2021, China has achieved significant breakthroughs in deep coalbed methane (CBM) exploration and development, making it a strategic resource for increasing natural gas reserves and production. To further support the high-quality development of deep
Jiaqi ZHANG, Zengqin LIU, Baojian SHEN, Shihu ZHAO, Xinjun CHEN, Jincheng YE   +5 more
doaj   +1 more source

A High Efficiency Low Damage Fracturing Fluid for Deep Coalbed Methane Development

Zuanjingye yu wanjingye
In developing deep coalbed methane (CBM), existing fracturing fluids have deficiencies such as poor sand carrying capacity and high core damage. To overcome these deficiencies, a fracturing fluid system (HMP/OP) was developed with a main fracturing fluid
Huaibin ZHEN, Shuguang LI, Feng WANG, Tengze GE, Ersi GAO, Kun FENG   +5 more
doaj   +1 more source

Characteristics of occurrence and distribution rule of deep coalbed methane in supercritical state

Meitan kexue jishu
Deep Coalbed methane(CBM) has become an important direction for gas storage and production, but its original occurrence state of adsorbed gas and free gas and distribution law under different geological conditions are unclear, which restricts the ...
Lihong ZHOU, Xia YAN, Xianyue XIONG, Feng WANG, Wenchao LIU, Yuejie YANG, Zhaobiao YANG, Yanqing FENG   +7 more
doaj   +1 more source

Strategic layout and optimization paths of the standard system for the exploration and exploitation of deep coalbed methane

Meitian dizhi yu kantan
ObjectiveIn China, the deep coalbed methane (CBM) industry has emerged as a key sector for the reserve growth and production addition of natural gas. However, the current CBM technical standard system, which was developed based on shallow CBM practices ...
Xinjun CHEN, Zengqin LIU, Baojian SHEN, Shihu ZHAO, Jincheng YE, Jiaqi ZHANG, Tianyun WANG   +6 more
doaj   +1 more source

Current status and development trends of deep coalbed methane research in China

Shiyou shiyan dizhi
Deep coalbed methane (CBM) possesses enormous resource potential and is essential for increasing unconventional natural gas reserves and production on a large scale in China.
Wei JU, Shu TAO, Zhaobiao YANG, Jiayao CHENG, Haiyan SHANG, Weike NING, Chunlong WU   +6 more
doaj   +1 more source

Study on Reservoir Properties and Critical Depth in Deep Coal Seams in Qinshui Basin, China

Advances in Civil Engineering, 2019
Coalbed methane (CBM) reservoir properties and relationship of properties with burial depth were studied based on the data derived from 204 deep CBM production wells in Qinshui Basin, China.
Guiqiang Zheng, Bin Sun, Dawei Lv, Zhejun Pan, Huiqing Lian   +4 more
doaj   +1 more source

Practice and understanding of deep coalbed methane massive hydraulic fracturing in Shenfu Block, Ordos Basin

Meitan xuebao
The proven geological reserves of the Shenfu deep coalbed methane (CBM) field on the eastern margin of the Ordos Basin exceed 100 billion cubic meters.
Qi AN, Fan YANG, Ruiyue YANG, Zhongwei HUANG, Gensheng LI, Yanjin GONG, Wei YU   +6 more
doaj   +1 more source

Int J Rock Mech Min Sci (1997) [PDF]

Longwall mining of coal seams affects a large area of overburden by deforming it and creating stress-relief fractures, as well as bedding plane separations, as the mining face progresses.

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