A review on capillary condensation in nanoporous media: Implications for hydrocarbon recovery from tight reservoirs

Barsotti, Elizabeth; Saraji, Soheil; Piri, Mohammad; Chen, Jinhong

doi:10.1016/j.fuel.2016.06.123

Cited by 194 publications

(160 citation statements)

References 120 publications

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“…Many factors affecting gas adsorption have been analyzed. However, the existing adsorption models rarely consider the capillary condensation phenomenon in the nanopores where shale gas is predominately stored . Capillary condensation is the phase change because of pore confinement, which significantly affects the gas recovery and adsorption in the nanopore.…”

Section: Adsorption Models For Tcg Systemmentioning

confidence: 99%

“…However, the existing adsorption models rarely consider the capillary condensation phenomenon in the nanopores where shale gas is predominately stored. 75 Capillary condensation is the phase change because of pore confinement, which significantly affects the gas recovery and adsorption in the nanopore. Under confinement state, the pore critical temperature and hysteresis critical temperature depend on fluid and pore properties.…”

Section: Analysis Of Problems In Current Two Component Adsorption Mmentioning

confidence: 99%

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A review of gas transport and adsorption mechanisms in two‐component methane‐carbon dioxide system

Guo

Sun

et al. 2019

Int J Energy Res

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Summary Injecting carbon dioxide for shale gas recovery enhancement (CO2‐ESGR) is an effective method to improve gas production and also realize the CO2 geosequestration. In the CO2‐ESGR system, there are two‐component gases (TCG) coexisted. The gas transport and adsorption mechanisms are different from the single‐component gas system. However, most of current work is still focused on single‐component gas (ie, methane). Many mechanisms have not been considered in the study of CO2‐ESGR study. In order to conduct reliable numerical simulation for CO2‐ESGR, a clear understanding of the transport and adsorption mechanisms for TCG system is necessary. In this review, we focused on two key issues regarding CO2‐ESGR: the fluid transport and competitive adsorption. The fundamental mechanisms and models for pure gas and TCG transport have been comprehensively summarized. The adsorption models for TCG system have been reviewed and analyzed. Models such as extended Langmuir model, ideal adsorption solution model, and lattice density functional model have been compared. Also, the factors affecting the competitive adsorption of TCG in shale have been illustrated. The main factors include organic matter content, shale composition, pore structure, water content, and pressure. At last, the problems existed in current research of transport and adsorption models for TCG have been analyzed. The issues that are necessary to be considered in CO2‐ESGR technology have been proposed so that more accurate numerical simulation and more reliable production prediction can be achieved.

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Section: Adsorption Models For Tcg Systemmentioning

confidence: 99%

Section: Analysis Of Problems In Current Two Component Adsorption Mmentioning

confidence: 99%

A review of gas transport and adsorption mechanisms in two‐component methane‐carbon dioxide system

Guo

Sun

et al. 2019

Int J Energy Res

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“…Additionally, the network of the pore-throat in the reservoir also influences the water that was held by the reservoir. As Barsotti et al [6] summarized, in the tight reservoir, confined space of pore-throat network resulted in large intermolecular forces, and, consequently, the function of fluid-pore-wall interactions influence the phase behavior more significantly. Capillary and adsorptive forces alter phase boundaries, phase compositions, interfacial tensions, fluid densities, fluid viscosities, saturation pressures, the coordination number of throats and pores, orientation of throat, and fluid wettability characteristic [72]; the composition, for example, clay minerals [3], become more effective on fluid flow in the bulk.…”

Section: Irresistible Water In Tight Clastic Rock Reservoirmentioning

confidence: 99%

“…To investigate the fluid flow mechanism in porous materials, Henry Darcy did massive experiments and developed his famous correlation to describe the dynamics of fluid flow in porous media, namely, for Darcy Law. However, the further research of percolation in tight reservoir, particularly in nanoporous reservoir, shows that hydraulic characteristics are more complicated and multicontrolled, which is beyond Darcy Low [3][4][5][6]. The deviation from the linearity of Darcy's equation was observed at high flow rate [7], and this is called non-Darcy flow [8].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the behavior of fluid in tight reservoir still awaits to be revealed. To investigate the fluid performance in tight clastic rock reservoir, some experiments and studies returned back to the essential issues, including the pore-throat structure and physical interaction of fluid-pore-wall in the tight reservoir [6,10,13,[15][16][17][18][19][20][21][22][23][24]. However, the pore-throat structures are various significantly in tight clastic rock reservoir and the fluid flow inside needs to be particularly concerned [25][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

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The Controls of Pore-Throat Structure on Fluid Performance in Tight Clastic Rock Reservoir: A Case from the Upper Triassic of Chang 7 Member, Ordos Basin, China

et al. 2018

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The characteristics of porosity and permeability in tight clastic rock reservoir have significant difference from those in conventional reservoir. The increased exploitation of tight gas and oil requests further understanding of fluid performance in the nanoscale pore-throat network of the tight reservoir. Typical tight sandstone and siltstone samples from Ordos Basin were investigated, and rate-controlled mercury injection capillary pressure (RMICP) and nuclear magnetic resonance (NMR) were employed in this paper, combined with helium porosity and air permeability data, to analyze the impact of pore-throat structure on the storage and seepage capacity of these tight oil reservoirs, revealing the control factors of economic petroleum production. The researches indicate that, in the tight clastic rock reservoir, largest throat is the key control on the permeability and potentially dominates the movable water saturation in the reservoir. The storage capacity of the reservoir consists of effective throat and pore space. Although it has a relatively steady and significant proportion that resulted from the throats, its variation is still dominated by the effective pores. A combination parameter ( ) that was established to be as an integrated characteristic of pore-throat structure shows effectively prediction of physical capability for hydrocarbon resource of the tight clastic rock reservoir.

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Pore‐Scale Simulations and Digital Rock Physics

Wang¹,

Qin

Zhao

et al. 2023

Physics of Fluid Flow and Transport in Unconventional Reservoir Rocks

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A review on capillary condensation in nanoporous media: Implications for hydrocarbon recovery from tight reservoirs

Cited by 194 publications

References 120 publications

A review of gas transport and adsorption mechanisms in two‐component methane‐carbon dioxide system

A review of gas transport and adsorption mechanisms in two‐component methane‐carbon dioxide system

The Controls of Pore-Throat Structure on Fluid Performance in Tight Clastic Rock Reservoir: A Case from the Upper Triassic of Chang 7 Member, Ordos Basin, China

Pore‐Scale Simulations and Digital Rock Physics

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