Results 21 to 30 of about 588,838 (198)

Analysis of low production coalbed methane wells and application of secondary reconstruction technologies

矿业科学学报, 2022
Most coalbed methane reservoirs in China are of low porosity, low permeability and with extensive structural coals, which is difficult to be reformed, resulting in low single well gas production and recovery rates.It is the the key target for the ...
Li Yong, Hu Haitao, Wang Yanbin, Han Wenlong, Wu Xiang, Wu Peng, Liu Du   +6 more
doaj   +1 more source

Development technology of coalbed methane horizontal wells with staged fracturing in Zhengzhuang Field of Qinshui Basin

Meikuang Anquan, 2023
Based on the characteristics of the No.3 coal seam and No.15 coal seam in Zhengzhuang Field and the need for low-cost and high-efficiency development of coalbed methane, a technical method for enhancing coalbed methane mining in non-cemented L-type ...
LI Junfeng
doaj   +1 more source

Research on dynamic simulation of coordinated development of coalbed methane and coal in typical mining areas

Gong-kuang zidonghua, 2020
In view of problem that traditional methods is difficult to show coordinated development process of coalbed methane and coal, a new 3D dynamic simulation idea was proposed.
XU Hualong
doaj   +1 more source

Influence of Capillary Pressure on CBM Reservoir Development Effect

Meikuang Anquan, 2020
To research the effects of capillary pressure of coalbed methane reservoir on the development of coalbed methane, this paper, based on wettability experiments and field production data, proposes the seal mechanism and types by capillary pressure of ...
JIA Huimin, YAN Ling, MAO Chonghao, ZHANG Qing, ZHANG Guangbo, FAN Bin
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

Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an example

, 2021
Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an ...
Haijin, HAO, Junjun, LI, Zheng, WANG, Guofu, LI, Chunsheng, HAO   +4 more
core   +1 more source

Prediction of coalbed methane well productivity based on attention mechanism of CNN-GRU

Meikuang Anquan, 2023
In order to optimize the current prediction method of coalbed methane production and solve the problem of losing key information due to the influence of historical state of coalbed methane production data and too long sequence, a coalbed methane ...
Haifeng ZHAO, Likai ZHU, Changsong LIU, Xianfan ZHANG   +3 more
doaj   +1 more source

Microbial diversity and biogenic methane potential of a thermogenic-gas coal mine [PDF]

, 2014
The microbial communities and biogenic methane potential of a gas coal mine were investigated by cultivation-independent and cultivation-dependent approaches.
Wei, Min, Yu, Zhisheng, Zhang, Hongxun, Jiang, Zheng   +3 more
core   +1 more source

Analysis of factors affecting the productivity of coalbed methane wells in Houxia Basin, Xinjiang

Meikuang Anquan
The coalbed methane production of single-well varies widely and low in Houxia Basin, Xinjiang, indicating complexity control factors on the coalbed methane productivity. The statistical analysis, linear regression method and grey correlation mathematical
Peng LI, Xiaojun LI, Zhimin TU, Yanqian CHE, Xinlong CHANG, Teng LI   +5 more
doaj   +1 more source

Characteristics and drainage modes of coalbed methane resources in closed coal mines in Yangquan and Jincheng Mining Areas

Meitan kexue jishu
Affected by factors such as coal resources exhaustion, elimination of outdated and excess capacity, the number of closed coal mines in Shanxi Province has increased year by year, and the evaluation and exploration of closed or abandoned coal mine coalbed
Yang WANG, Jie XIANG, Yong QIN, Shangbin CHEN, Yanming ZHU, Manli HUANG, Ying SHI   +6 more
doaj   +1 more source