Research Progress on Displacement Mechanism of Supercritical CO2 in Low-Permeability Heavy Oil Reservoir and Improvement Mechanism of Displacement …

Y Sun, W Zhang, J Tian, Y Meng, L Zhang - Molecules, 2023 - mdpi.com
With the continuous growth of global energy demand and the late stage of conventional
oilfield exploitation, the demand for developing and utilizing low-permeability heavy oil …

[HTML][HTML] Review of CO2-kerogen interaction and its effects on enhanced oil recovery and carbon sequestration in shale oil reservoirs

M Dong, H Gong, Q Sang, X Zhao, C Zhu - Resources Chemicals and …, 2022 - Elsevier
Shale oil resources have proven to be quickly producible in large quantities and have
recently revolutionized the oil and gas industry. The oil content in a shale oil formation …

CO2-oil diffusion, adsorption and miscible flow in nanoporous media from pore-scale perspectives

H Wang, Y Su, W Wang, Z Jin, H Chen - Chemical Engineering Journal, 2022 - Elsevier
Enhancing shale/tight oil and sequestering CO 2 by CO 2 huff-n-puff have gained extensive
attentions in recent years. However, the fundamental understanding of CO 2-oil diffusion …

Minireview of Microscopic CO2 Interactions with Fluids and Minerals in Shale: Advances and Outlook

Z Wang, K Ding, T Liu, J Yao, H Sun, Y Yang… - Energy & …, 2023 - ACS Publications
Shale is featured by nanometer pores and ultralow permeability. Enhancing shale oil
recovery after primary production is challenging as a result of the low injectivity of water …

Effects of CO2-philic nonionic polyether surfactants on miscibility behaviors of CO2–hydrocarbon systems: Experimental and simulation approach

W Lv, M Dong, H Sarma, Y Li, Z Li, J Sun… - Chemical Engineering …, 2023 - Elsevier
Accomplishing the high miscibility of CO 2 and crude oil under reservoir conditions is critical
for achieving the most efficient recovery process by CO 2 injection into low-porosity and low …

CO2-regulated octane flow in calcite nanopores from molecular perspectives

W Zhang, Q Feng, S Wang, X Xing, Z Jin - Fuel, 2021 - Elsevier
Enhanced hydrocarbon recovery from shale/tight reservoirs by CO 2 injection has gained
extensive attentions in recent years. However, the effect of CO 2 on oil flow in shale/tight …

Enhanced oil recovery with CO2/N2 slug in low permeability reservoir: Molecular dynamics simulation

T Fang, M Wang, Y Gao, Y Zhang, Y Yan… - Chemical Engineering …, 2019 - Elsevier
Slug injection of CO 2/N 2 has proven to be a promising technology for the enhancement of
oil recovery in low/ultra-low permeability reservoirs. In spite of this, the detailed …

Microfluidic investigation on asphaltene interfaces attempts to carbon sequestration and leakage: Oil-CO2 phase interaction characteristics at ultrahigh temperature …

X Zhang, L Li, Y Su, J Fu, R Wang, F Chen - Applied Energy, 2023 - Elsevier
CO 2 huff-n-puff is a potential approach to improve the oil displacement efficiency in the
deep reservoirs, which can achieve carbon sequestration and efficient oil production …

On the replacement behavior of CO2 in nanopores of shale oil reservoirs: Insights from wettability tests and molecular dynamics simulations

X Dong, W Xu, H Liu, Z Chen, N Lu, W Wang - Geoenergy Science and …, 2023 - Elsevier
CO 2 injection process has become one of the most effective development methods of shale
oil reservoirs. Considering the widespread nanoscale pores in shale, the replacement …

A unified intelligent model for estimating the (gas+ n-alkane) interfacial tension based on the eXtreme gradient boosting (XGBoost) trees

J Zhang, Y Sun, L Shang, Q Feng, L Gong, K Wu - Fuel, 2020 - Elsevier
The interfacial tension (IFT) between the injecting gas and host oil is a key parameter that
affects the ultimate displacement efficiency and gas injection enhanced oil recovery (EOR) …