Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Gaini Jia"'
Publikováno v:
Energy Exploration & Exploitation, Vol 40 (2022)
Borehole leakage is an important cause of gas extraction failure. In order to study the influence mechanism of borehole leakage on gas extraction, the borehole air leakage mode was studied, and a mathematical model was established to describe the bor
Externí odkaz:
https://doaj.org/article/c4f43cdd6b7e42e48d53210dcf32909c
Autor:
Ming Yang, Gaini Jia, Jianliang Gao, Jiajia Liu, Xuebo Zhang, Fangchao Lu, Lei Liu, Asmita Pathak
Publikováno v:
Energy Exploration & Exploitation, Vol 40 (2022)
To deeply study the variation characteristics of the gas content in the process of gas adsorption for coal samples under different gas pressures and confining pressures, low-field nuclear magnetic resonance technology was used to carry out experiment
Externí odkaz:
https://doaj.org/article/9b0dee52013f45d98b4e190cfdfacf70
Publikováno v:
Geofluids, Vol 2022 (2022)
The pore characteristics of coal have an important influence on the coal adsorption of methane. The liquid nitrogen adsorption method was used to study the pore structure of low- and middle-rank coal samples from two aspects: pore specific surface ar
Externí odkaz:
https://doaj.org/article/98b15e9c06424520b41b9cfd51e323b6
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
The microscopic pore development of most coal seams in China leads to different permeability of coal seams and different gas drainage efficiency. Representative three coal rank coal samples were selected for saturation-centrifugation observation. The
Externí odkaz:
https://doaj.org/article/12bdb32441904009bc64ada5aded244f
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
The microscopic pore structure of coal affects the content of adsorbed gas. The microstructure of coal sample before and after loading is different, which will affect the adsorption and permeability of coal seam gas. In order to study this difference
Externí odkaz:
https://doaj.org/article/847b9ddc64244dadb496b0fad05c3446
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
The microscopic pore structure of coal affects the content of adsorbed gas. The microstructure of coal sample before and after loading is different, which will affect the adsorption and permeability of coal seam gas. In order to study this difference
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. :1-11
The difference in the development of coal pore system in bedding direction is of great significance to the exploration and development of coalbed methane and the prevention and control of gas disas...
Autor:
Xuebo Zhang, Yang Ming, Liu Lei, Asmita Pathak, Jiajia Liu, Gao Jianliang, Gaini Jia, Fangchao Lu
Publikováno v:
Energy Exploration & Exploitation, Vol 40 (2022)
To deeply study the variation characteristics of the gas content in the process of gas adsorption for coal samples under different gas pressures and confining pressures, low-field nuclear magnetic resonance technology was used to carry out experiment
Publikováno v:
Rock Mechanics and Rock Engineering. 52:2815-2833
Gas-bearing, coal-bearing rocks are affected by geological structures and mechanical disturbances. A stress environment exists in an unequal three-way pressure state. To determine the mechanisms of stress change that influence the fissure evolution i
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
The microscopic pore development of most coal seams in China leads to different permeability of coal seams and different gas drainage efficiency. Representative three coal rank coal samples were selected for saturation-centrifugation observation. The