Molecular simulation of the dynamic distribution of complex oil components in shale nanopores during CO2-EOR

Huang, Tao; Cheng, Linsong; Cao, Renyi; Wang, Xiaobiao; Jia, Pin; Cao, Chong

doi:10.1016/j.cej.2023.147743

Cited by 9 publications

(2 citation statements)

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“…23 The simulation of DME-assisted CO 2 flooding for shale oil showed that DME could enhance the solubility of CO 2 , improve its competitive adsorption capacity, and effectively reduce interfacial tension. 24 The adsorption and diffusion process of reservoir fluids on matrix was also influenced by inorganic minerals and organic matter 25 and micropores. 26 The desorption of fluids from organic matter and large-pore inorganic minerals after CO 2 injection was much more significant than that from small-pore inorganic minerals.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, factors such as burial depth and alkane carbon chain length play a crucial role in enhancing the recovery rate during gas flooding process. 25,31–33 Therefore, investigating the displacement of CO 2 /CH 4 mixtures, burial depth, and crude oil properties on gas flooding process could provide valuable insights for optimizing injection parameters and select gas injection schemes for improved recovery.…”

Section: Introductionmentioning

confidence: 99%

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Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface

Feng,

Zhu,

Zhao

et al. 2024

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface

Feng,

Zhu,

Zhao

et al. 2024

RSC Adv.

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Experimental and Computational Study of Modified Biopolymer Xanthan Gum with Synthetic Vinyl Monomers for Enhanced Oil Recovery

Abou-alfitooh,

El-Hosiny,

El-hoshoudy

2024

J Polym Environ

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Utilizing xanthan gum, a biodegradable polymer, in enhanced oil recovery (EOR) is imperative wherever there is a need for innovation in oil production that is both cost-effective and environmentally friendly. Xanthan, chosen for its natural sourcing, availability, controllability, eco-friendliness, and biodegradability, proves resilient against harsh reservoir conditions owing to its rigid structure and elongated polysaccharide chains. This study investigates two modified xanthan gum composites, achieved by grafting with synthetic vinyl monomers through emulsified polymerization. Spectroscopic characterization using FTIR and 1H-NMR, along with surface morphology analysis via atomic force microscopy (AFM) and thermal behavior screening through TGA analysis, elucidates the properties of these modified composites. Rheological behavior under reservoir conditions, including stress scanning and viscosity/shear rate dependency, was evaluated. Material modeling with the Materials Studio program simulated the equilibrium adsorption of xanthan and modified biopolymer chains on SiO2-quartz crystal to assess wettability alteration. Simulation results indicate that XG-g-AM, MMA&TEVS exhibit greater stability and surface coverage with more negative electrostatic energies compared to XG and XG-g-AM&MMA. The laboratory runs on a sandstone-packed model to identify the disclosed XG-g-AM&MMA and XG-g-AM, MMA&TEVS biopolymers as promising EOR candidates and wettability modifiers in challenging sandstone reservoirs, as per experimental outcomes.

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Study on the minimum miscibility pressure and phase behavior of CO2–shale oil in nanopores

Wang,

Lei,

Sun

et al. 2024

Chemical Engineering Journal

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Molecular simulation of the dynamic distribution of complex oil components in shale nanopores during CO2-EOR

Cited by 9 publications

References 57 publications

Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface

Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface

Experimental and Computational Study of Modified Biopolymer Xanthan Gum with Synthetic Vinyl Monomers for Enhanced Oil Recovery

Study on the minimum miscibility pressure and phase behavior of CO2–shale oil in nanopores

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Molecular simulation of the dynamic distribution of complex oil components in shale nanopores during CO2-EOR

Cited by 9 publications

References 57 publications

Molecular dynamics simulation on the displacement behaviour of crude oil by CO2/CH4 mixtures on a silica surface

Molecular dynamics simulation on the displacement behaviour of crude oil by CO2/CH4 mixtures on a silica surface

Experimental and Computational Study of Modified Biopolymer Xanthan Gum with Synthetic Vinyl Monomers for Enhanced Oil Recovery

Study on the minimum miscibility pressure and phase behavior of CO2–shale oil in nanopores

Contact Info

Product

Resources

About

Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface

Molecular dynamics simulation on the displacement behaviour of crude oil by CO₂/CH₄ mixtures on a silica surface