Results 21 to 30 of about 3,983 (210)

Calculation of Coalbed Methane Resources in Mining Stability Zone Based on Gas Emission

Meikuang Anquan, 2020
To calculate the coalbed methane resources in the stable area affected by coal mining, firstly, based on the height of roof caving zone and the water conducting fracture zone, the depth of floor failure zone, and the limit gas emission width of coal ...
LI Dan
doaj   +1 more source

Seasonal variation of microbial community and methane metabolism in coalbed water in the Erlian Basin, China

Frontiers in Microbiology, 2023
Coalbed water is a semi-open system connecting underground coalbeds with the external environment. Microorganisms in coalbed water play an important role in coal biogasification and the carbon cycle.
Li Fu, Shouchao Lai, Zhuo Zhou, Zhenhong Chen, Lei Cheng   +4 more
doaj   +1 more source

Coalbed methane producibility from the Mannville coals in Alberta, Canada: A comparison of two areas [PDF]

, 2008
International audienceThe Mannville coals in the Fenn area, Alberta Plains, have desorbed gas content averaging 8.57 cm3/g (275 scf/t), which is similar to the same coals in the Corbett Creek area, almost 400 km away.
Cheung, F.K., Gentzis, T., Goodarzi, F., Laggoun-Défarge, Fatima   +3 more
core   +2 more sources

Influence of depressurization rate on gas production capacity of high-rank coal in the south of Qinshui Basin, China

Petroleum Exploration and Development, 2019
A desorption simulation experiment with the condition of simulated strata was designed. The experiment, under different depressurizing rates and the same fluid saturation, was conducted on the sample from 3# coal of Daning coal mine in Jincheng, Shanxi ...
Xuefeng SU, Yan LIU, Zhouqi CUI, Jianguo ZHANG, Li YU, Kai WANG   +5 more
doaj   +1 more source

Characteristics of low-rank coal reservoir and exploration potential in Junggar Basin: new frontier of low-rank CBM exploration in China

Journal of Petroleum Exploration and Production Technology, 2020
Low-rank coal reservoirs of Badaowan Formation and Xishanyao Formation are mainly developed in Junggar Basin. This paper discussed their features and coalbed methane (CBM) exploration potential based on geological survey, coal samples testing and ...
Yuanjiang Yu, Yonghua Wang
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Hydrogeological condition patterns of Kuznetsk Basin coalbed methane fields for estimating hydrodynamic calculations [PDF]

, 2016
The paper describes the natural regional conditions and key formation factors of groundwater dynamics. Characteristic hydrogeological structure elements for Kuznetsk Basin coal were identified providing parameter-oriented hydrodynamic calculations and ...
Bogdanova, Anna Gennadievna, Gridasov, Alexander, Kuzevanov, Konstantin Ivanovich   +2 more
core   +1 more source

Geological characteristics and development effect evaluation of coalbed methane reservoirs in Panguan syncline, Guizhou Province

Shiyou shiyan dizhi
The Upper Permian Longtan Formation in Guizhou Province contains multiple coal seams with abundant coalbed methane (CBM) resources, providing a solid base for CBM development.
Haiyang HU, Fuqin YANG, Jie CHEN, Yi LOU, Yuting WAN   +4 more
doaj   +1 more source

Key technology of 3D animation simulation of coalbed methane exploitation

Meikuang Anquan, 2021
Aiming at the problems of how to improve the accuracy of simulation animation and rendering time efficiency in the production of video animation of coalbed methane mining mode, this paper analyzes and summarizes the production process of 3D animation ...
ZHANG Wei, XU Hualong
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Economic tools for realization of methane production project on Kuzbass coal deposits [PDF]

, 2016
Environmental issues and, above all, issues related to the release of greenhouse gases into the atmosphere, such as coal bed methane, actualize the challenge of searching a variety of options for its disposal.
Dmitrieva, N., Kochetkova, Olga Petrovna, Sharf, Irina Valerievna, Sokolova, М.   +3 more
core   +2 more sources

Construction and application of workover priority evaluation model for surface coalbed methane low production wells based on Entropy-TOPSIS

Frontiers in Energy Research
Affected by geology and mining, a certain number of low-yield wells will appear after a period of production in coalbed methane wells, and technical repairs are urgently needed to restore their production capacity to the maximum.
Yanhe Li, Lin Zhu, Runsheng Lv, Runsheng Lv, Xiaoming Ni   +4 more
doaj   +1 more source