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Molecular dynamics simulations of methane adsorption and displacement from graphenylene shale reservoir nanochannels [PDF]
Scientific Reports, 2023 Methane is the main component of shale gas and is adsorbed in shale pores. Methane adsorption not only affects the estimation of shale gas reserves but also reduces extraction efficiency.
Maryam Hajianzadeh +2 more
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Exploring the ultramicropore structure evolution and the methane adsorption of tectonically deformed coals in molecular terms [PDF]
Scientific ReportsThe mechanical deformation of coals occurring extensively during the geological period (tectonically deformed coals) can directly alter their pore structures and then the storage of coalbed methane.
Longgui Peng +4 more
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The characteristics of methane adsorption capacity and behavior of tectonic coal
Frontiers in Earth Science, 2023 The research of methane adsorption on tectonic coal is an important content to gas disaster prevention and coalbed methane (CBM) exploration in outburst coal seams.
Hang Zhang +5 more
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An NMR-Based Method for Multiphase Methane Characterization in Coals
Energies, 2022 Discriminating multiphase methane (adsorbed and free phases) in coals is crucial for evaluating the optimal gas recovery strategies of coalbed methane (CBM) reservoirs.
Sijian Zheng +8 more
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Journal of Natural Gas Geoscience, 2021 Methane adsorption characteristics and pore structure are two essential parameters to evaluate the reservoir quality of coal. However, as a result of the frequent increased and decreased pressure on the coal during the methane adsorption, the pore ...
Teng Li, Caifang Wu
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Lithosphere, 2022 Adsorption of gas is one of the ways that shale gas exists in the transitional shale (TS). The adsorption mechanism and the impact of water saturation on methane adsorption affect the estimated accuracy of the gas in place (GIP).
Kun Xu +6 more
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Change of pore structure for high rank coal before and after methane adsorption
Meikuang Anquan, 2021 In order to find out the influence of methane adsorption on the pore structure of coal rock, a high rank coal sample was collected from southwestern China, and the methane adsorption under 30 ℃ with the maximum measurement pressure of 12 MPa was carried
LIU Lu, ZHAO Chenlei, CUI Zhanfeng
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Occurrence Regularity of Methane Gas Molecules in Composite Nanopores: A Molecular Simulation Study
Lithosphere, 2022 To understand the occurrence regularity of methane gas molecules in composite nanopores, the effects of temperature, pressure, size of nanopore, and burial depth on the occurrence state of methane were studied theoretically by using the grand canonical ...
Qiugen Zheng +5 more
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Geofluids, 2023 In situ gas content is an important parameter associating coalbed methane, while the influence of pressure and temperature on methane adsorption and desorption still needs to be revealed.
Tieya Jing +5 more
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Effect of Pre-Adsorbed Water on Methane Adsorption Capacity in Shale-Gas Systems
Frontiers in Earth Science, 2021 The presence and content of water will certainly affect the gas adsorption capacity of shale and the evaluation of shale gas content. In order to reasonably evaluate the gas adsorption capacity of shale under actual reservoir conditions, the effect of ...
Lei Chen +6 more
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