Explanipedia

A molecular perspective on the microscopic mechanisms of CO2 injection and water films in fluid transport and enhanced oil recovery Open

Junyao Bao, Jiapei Du, Shiyuan Zhan, Lu Wang, Yongcheng Luo · 2025

Comparative Study of Water Flow in Nanopores with Different Quartz (101¯0) Surfaces via Molecular Dynamics Simulations Open

Peng Zhou, Junyao Bao, Shiyuan Zhan, Xingjian Wang, Shaopeng Li , et al. · 2025

Dewatering and gas production are applied on a large scale in shale gas development. The fundamental mechanisms of water flow in shale nanoporous media are essential for the development of shale oil and gas resources. In this work, we use …

Dependence of clay–water contact angle on surface charge and ambient temperature: A study from molecular dynamics perspective Open

Yu Zhong, Annan Zhou, Jiapei Du, Shiyuan Zhan · 2024

Microscopic pore-throat classification and reservoir grading evaluation of the Fengcheng formation in shale oil reservoir Open

Hong-jiao Tang, Gen Kou, Hao Zhou, Wenwen Liu, Duan Xin-guo , et al. · 2024

Different basins in China have proposed various reservoir grading standards for shale oil. Based on a comprehensive understanding of the basic characteristics of the shale oil reservoir in the Mahu Depression, this paper uses data from hig…

A Comparative Study of Shale Oil Transport Behavior in Graphene and Kerogen Nanopores with Various Roughness Via Molecular Dynamics Simulations Open

Shiyuan Zhan, Junyao Bao, Xiaoguang Wang, Wendong Wang, Yuliang Su , et al. · 2024

Molecular simulation of the impact of surface roughness on carbon dioxide adsorption in organic-rich shales Open

Jingkai Cui, Junyao Bao, Shaofeng Ning, Bolun Li, Wei Deng , et al. · 2023

This study investigates the adsorption behavior of carbon dioxide in organic nanopores with different surface roughness. The nanopores are constructed by sinusoidally corrugating the graphite slit pore walls. By computing the density distr…

Reservoir heterogeneity controls of CO2-EOR and storage potentials in residual oil zones: Insights from numerical simulations Open

Yanyong Wang, Xiaoguang Wang, Rencheng Dong, Wen-Chao Teng, Shiyuan Zhan , et al. · 2023

Residual oil zones (ROZs) have large potential for CO2 enhanced oil recovery (EOR) and geologic storage. During CO2 injection, the migration of CO2 in ROZs controls the performance of both EOR and storage. However, it has not been clearly …

Multi-Component Oil-Water Two Phase Flow in Quartz and Kerogen Nanopores: A Molecular Dynamics Study Open

Wendong Wang, Jilong Xu, Shiyuan Zhan, Qiuheng Xie, Chengwei Wang , et al. · 2023

Molecular Insights into the Effects of Pore Aperture and Surface Roughness on Oil Extraction from Organic Shale Nanopores During Co2 Soaking Open

Mingshan Zhang, Zaobao Liu, Shiyuan Zhan, Zhehui Jin, Yulong Zhang · 2023

Relative permeability estimation of oil−water two-phase flow in shale reservoir Open

Yuliang Su, Jilong Xu, Wendong Wang, Han Wang, Shiyuan Zhan · 2021

Oil−water two-phase flow is ubiquitous in shale strata due to the existence of connate water and the injection of fracturing fluid. In this work, we propose a relative permeability model based on a modified Hagen−Poiseuille (HP) equation a…

Research progress on characterization and simulation of shale oil flow in microscale Open

Yuliang Su, Han Wang, Shiyuan Zhan, Wendong Wang, Jilong Xu · 2021

Clarifying the mechanisms of confined fluid flow in nanoscale space and calculating the permeability and other microscopic parameters are crucial to enhance the recovery of shale oil, which have attracted great attention in recent years. W…

Stochastic-based liquid apparent permeability model of shale oil reservoir considering geological control Open

Jilong Xu, Wendong Wang, Bing Ma, Yuliang Su, Han Wang , et al. · 2021

Shale is a complex porous medium composed of organic matter (OM) and inorganic minerals (iOM). Because of its widespread nanopores, using Darcy’s law is challenging. In this work, a two-fluid system model is established to calculate the oi…

Single-phase inflow performance relationship in stress-sensitive reservoirs Open

Fei Wang, Ruxiang Gong, Zijun Huang, Qingbang Meng, Qi Zhang , et al. · 2021

For stress-sensitive reservoirs, understanding the characteristics of the inﬂow performance relationship is vital for evaluating the performance of a well and designing an optimal stimulation. In this study, a reservoir simulator was used …

Effect of Surface Type on the Flow Characteristics in Shale Nanopores Open

Shiyuan Zhan, Yuliang Su, Mingjing Lu, Mingyu Cai, Jingang Fu , et al. · 2021

The underlying mechanism of shale gas migration behavior is of great importance to understanding the flow behavior and the prediction of shale gas flux. The slippage of the methane molecules on the surface is generally emphasized in nanopo…

Modeling for reorientation and potential of enhanced oil recovery in refracturing Open

Mingjing Lu, Yuliang Su, Shiyuan Zhan, Abdulhadi Almrabat · 2020

Reorientation of fractures and high production improvement are observed and illustrated by fields and theoretical researches. During the refracturing treatments, it is important to get familiar with the enhanced oil recovery mechanics of f…

Effect of water film on oil flow in quartz nanopores from molecular perspectives Open

Shiyuan Zhan, Yuliang Su, Zhehui Jin, Wendong Wang, Lei Li · 2019

Characterization methods for mass transfer of multiple media in shale gas reservoirs Open

Yuliang Su, Guanglong Sheng, Wendong Wang, Shiyuan Zhan, Qi Zhang , et al. · 2018

Shale gas reservoirs are abound in multi-scale pore media and have strong heterogeneity. Gas migration mechanism in different scale pores is complex. Understanding the applicability of mass transfer characterization method for multi-media …

Flow modelling of CO <sub>2</sub> foam flooding in low permeability reservoirs based on fractional flow function Open

Yuliang Su, Miaolun Jiang, Fankun Meng, Shiyuan Zhan, Guanglong Sheng , et al. · 2018

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