Results 41 to 50 of about 181,923 (295)

Preliminary selection of target intervals for coal measure gas development in Linhua multi-coal seam field of northern Guizhou

Meikuang Anquan, 2021
The primary method for the target strata of coal-measure gas development in Linhua coalfield is proposed. The primary procedure of Linhua coal measure gas target strata is divided into two parts: geology and engineering.
FANG Zezhong, XU Hongjie, SANG Shuxun, JIN Jun, LIU Huihu, GAO Wei
doaj   +1 more source

Natural gas types and coal-rock gas classification in the whole petroleum system of coal measures

Petroleum Exploration and Development
Junfeng ZHANG, Guoxin LI, Chengzao JIA, Qun ZHAO   +3 more
openaire   +3 more sources

Damage Characteristics Caused by Deep-Hole Blasting near Normal Fault and Its Effects on Coal and Gas Outbursts

Geofluids, 2022
To understand the stability of coal and rock in areas of normal faults disturbed by the dynamic loads of blasting, the damage characteristics of coal and rock within a normal fault are investigated using similarity simulation tests.
Kui Gao, Guodong Qiao, Zegong Liu, Wei Xia   +3 more
doaj   +1 more source

Geological characteristics and exploration breakthroughs of coal rock gas in Carboniferous Benxi Formation, Ordos Basin, NW China

Petroleum Exploration and Development
Zhe Zhao, Wanglin Xu, Zhenyu Zhao, Shiwei Yi, Wei Yang, Yueqiao ZHANG, Yuanshi SUN, Weibo ZHAO, Yunhe SHI, Chunlin ZHANG, Jianrong Gao   +10 more
openalex   +3 more sources

Influencing factors analysis of deformation and failure of coal seam roadway based on plastic zone expansion

Meikuang Anquan, 2023
In order to analyze the influence of coal seam roadway occurrence conditions on the deformation and destruction of roadway surrounding rock, the coal seam thickness, roof and floor thickness, roof and floor lithology, and coal seam gas pressure are ...
HAN Sen
doaj   +1 more source

Research on full-life cycle gas treatment technology based on floor rock roadway

Gong-kuang zidonghua, 2023
For mines lacking conditions for mining protective layers, pre extraction of coal seam gas from floor rock roadway strips is the mainstream gas control method.
ZHAI Cheng, TANG Wei
doaj   +1 more source

Survey of the world practice of implementing energy-efficient technologies in terms of mining enterprises [PDF]

, 2019
Purpose is the analysis of world practice of applying the best available techniques to increase energy saving and energy efficiency of mining enterprises being the important factor of the economic development. Methods.
Akulinin, F, Efimov, I, Goncharenko, L, Ryzhakova, A, Sedova, N   +4 more
core   +1 more source

Evaluation methodology of coal-rock gas resources and exploration potential of favorable areas in onshore China

Petroleum Exploration and Development
Based on new understandings of the whole petroleum system theory for coal measures, and utilizing data from coal-rock gas wells and other oil and gas wells in numerous pilot test areas for key parameter validation, this study conducted a national ...
Guoxin LI, Junfeng ZHANG, Qun ZHAO, Hao CHEN, Yanpeng CHEN, Guosheng ZHANG, Wenguang TIAN, Meizhu WANG, Ze DENG, Wanglin XU   +9 more
doaj   +1 more source

Partitioning characteristics of gas channel of coal-rock mass in mining space and gas orientation method

International Journal of Mining Science and Technology, 2013
Abstract In order to research the influence of coal-rock mass morphology of mining space on the flow law of gas, the laboratory physical model and numerical computation methods were adopted to simulate coal mining activities. The simulation results indicate that, after coal seam mining, the loose rock accumulation body of free caving, ordered rock ...
Zhiqiang Zhao, Nianjie Ma, Housheng Jia, Yuanping Cheng   +3 more
openaire   +1 more source

Influence of chemical structure of coal measure rock on gas adsorption performance

Meikuang Anquan, 2023
In order to study the influence of the chemical structure of coal measure rock on the gas adsorption performance, taking the coal and rock samples of Shaqu No.1 Mine as the research object, the structure of coal and rock was analyzed from the microscopic
ZHANG Junhu, LIANG Chunhao, DENG Cunbao, GUO Hui, GUO Xiaoyang, WANG Xun, YANG Bo, ZHANG Mingqi   +7 more
doaj   +1 more source