High-pressure mercury intrusion analysis of pore structure in typical lithofacies shale

J Wei, X Zhou, S Shamil, K Yuriy, E Yang, Y Yang… - Energy, 2024 - Elsevier
In this paper, statistical research on the characterization of pore and fracture structures is
systematically conducted on shale reservoirs in different blocks and under different …

Simulation of wellbore pipe flow in oil production engineering: Offshore concentric double-tube CO2-assisted superheated steam wellbore during SAGD process of …

X Zhang, J Shi, R Zhao, G Ma, Z Li, X Wang, J Zhang - Energy, 2024 - Elsevier
Heavy oil reservoirs are widely distributed around the world and play an important role in
offshore oil and gas development. For heavy oil reservoirs, industrial productivity can only …

Experimental and simulation insights on the high viscosity of heavy oil I: Low-concentration compounds

S Yang, B Ji, J Wu, Y He - Energy, 2024 - Elsevier
Asphaltene and resin can form microscale colloids; in the literature, their content is the key to
heavy oils' viscosities. However, our recent experimental results indicate some heavy oil …

Synergistic collaborations between surfactant and polymer for in-situ emulsification and mobility control to enhance heavy oil recovery

Y Zhao, L Zhao, H Chen, N Zhao, G Chang… - Journal of Molecular …, 2024 - Elsevier
Surfactant-polymer (SP) combined systems is an effective nonthermal method to enhance
the heavy oil recovery, through in-situ emulsification and mobility control mechanisms. In this …

Insights into Molecular Dynamics and Oil Extraction Behavior of the Polymeric Surfactant in a Multilayered Heterogeneous Reservoir

H Zheng, H Liu, K Tong - ACS omega, 2024 - ACS Publications
Interlayer heterogeneity, an inevitable and complex challenge during water flooding,
seriously constrains the spread of the sweep region and oil recovery enhancement in …

Study on the mechanism of CO2 composite system assisted steam stimulation of oil recovery efficiency in heavy oil reservoirs

J Wei, D Zhang, E Yang, A Shen, R Zhou - International Journal of …, 2024 - Elsevier
Injecting CO 2 and foaming agents can effectively improve the recovery rate of high cycle
steam huff and puff. In this paper, firstly, the influence of oil saturation and injection plug on …

Characterization of pore structures after ASP flooding for post-EOR

J Wei, D Zhang, X Zhou, R Zhou, S Shamil, J Li… - Energy, 2024 - Elsevier
With the global assistance of oil fields entering the stage of improving oil recovery,
diversified composite flooding technology has become one of the key research targets. This …

Heavy oil removal using modified polyacrylamide and SDS

H Ma, Y Hu, R Guo, S Song, S **a - Journal of Environmental Chemical …, 2024 - Elsevier
Composite systems of surfactants have been extensively applied in the recovery and
removal of heavy oil. In this work, the characteristics and mechanisms of heavy oil removal …

Discussion on pore-to-field scale evolution of invasive pattern in immiscible two-phase flow with pseudoplastic behavior in porous media

Y Li, HQ Liu, C Peng, H He - Physics of Fluids, 2025 - pubs.aip.org
The immiscible two-phase flow with non-Newtonian behavior presents many challenges for
geoscience engineering applications. Due to the non-Darcy flow with pseudoplasticity in …

Microscale heat and mass transfer characteristics of CO2 flooding in nanotubes of tight oil reservoirs

R Wang - The Canadian Journal of Chemical Engineering - Wiley Online Library
The mechanism of heat and mass transfer in tight oil reservoirs after CO2 injection is
complex. In this paper, first, a CO2 transfer model within microscale adjacent nanotubes in …