2021
DOI: 10.1016/j.jngse.2021.103916
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Pore-scale study of non-ideal gas dynamics under tight confinement considering rarefaction, denseness and molecular interactions

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Cited by 11 publications
(8 citation statements)
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“…When predicting flow characteristics of free gas, the limited slip velocity of the gas at the pore surface must be considered. When the reservoir pressure is high, gas is a high-pressure supercritical fluid, and the interaction between gas molecules and the gas molecule volume cannot be ignored . The influence of the real gas effect needs to be considered.…”
Section: Theory On Gas Transport In Shale Nanoporesmentioning
confidence: 99%
See 1 more Smart Citation
“…When predicting flow characteristics of free gas, the limited slip velocity of the gas at the pore surface must be considered. When the reservoir pressure is high, gas is a high-pressure supercritical fluid, and the interaction between gas molecules and the gas molecule volume cannot be ignored . The influence of the real gas effect needs to be considered.…”
Section: Theory On Gas Transport In Shale Nanoporesmentioning
confidence: 99%
“…When the reservoir pressure is high, gas is a high-pressure supercritical fluid, and the interaction between gas molecules and the gas molecule volume cannot be ignored. 41 The influence of the real gas effect needs to be considered. A schematic of different gas transport mechanisms is illustrated in Figure 3.…”
Section: Transport Of Free Gas In Organicmentioning
confidence: 99%
“…Following these procedures, the Bhatnagar-Gross-Krook (BGK) model [39] is employed to represent the hard-core collision process, while the fluid volume exclusion is considered by an excess collision term. Therefore, the EV-BGK model can be written as [26,40]…”
Section: The Enskog-vlasov-bgk Modelmentioning
confidence: 99%
“…On the continuum level, the EV equation ( 5) and the EV-BGK model ( 9) correspond to the van der Waals-type equation of state [33,5,40], which can be written as…”
Section: The Enskog-vlasov-bgk Modelmentioning
confidence: 99%
“…High-order LBM models, with more discrete velocities and high isotropy, are suitable for the gas flow at high Knudsen numbers. Nevertheless, high-order LBM models require more computational resources, thereby having limited applicability in shale reservoirs. Recent studies showed that the discrete unified gas kinetic scheme (DUGKS), which combines LBM and the unified gas kinetic scheme, is a promising method to model gas flow in shale. , …”
Section: Permeability Modelsmentioning
confidence: 99%