A comprehensive review of recent advances on surfactant architectures and their applications for unconventional reservoirs

A Omari, R Cao, Z Zhu, X Xu - Journal of Petroleum Science and …, 2021 - Elsevier
The depletion of conventional resources and steady increase in the global oil demands has
led to the shift of attention to the unconventional resources which are difficult to extract due …

Experimental study of wettability alteration and spontaneous imbibition in Chinese shale oil reservoirs using anionic and nonionic surfactants

J Liu, JJ Sheng, X Wang, H Ge, E Yao - Journal of Petroleum Science and …, 2019 - Elsevier
Wettability alteration exhibits a significant potential to improve the oil recovery of shale
reservoirs by means of spontaneous imbibition through shifting the rock wetness from oil-wet …

Competitive adsorption characteristics based on partial pressure and adsorption mechanism of CO2/CH4 mixture in shale pores

J Sun, C Chen, Y Zhang, W Li, Y Song - Chemical Engineering Journal, 2022 - Elsevier
In the context that CS-EGR technology has received more and more attention, molecular
dynamics simulation method was used to analyze the competitive adsorption characteristics …

Wettability alteration mechanisms in enhanced oil recovery with surfactants and nanofluids: a review with microfluidic applications

A Ratanpara, M Kim - Energies, 2023 - mdpi.com
Modifying reservoir surface wetting properties is an appealing topic to the upstream oil and
gas industry for enhancing hydrocarbon recovery as the shifting of reservoir rock surface …

[HTML][HTML] Microfluidic investigation of enhanced oil recovery: The effect of aqueous floods and network wettability

M Saadat, J Yang, M Dudek, G Øye, PA Tsai - Journal of Petroleum Science …, 2021 - Elsevier
Rock wettability significantly influences underground oil extraction efficiency during
enhanced oil recovery (EOR) processes. We experimentally examine the effect of wettability …

Understanding shale gas: Recent progress and remaining challenges

A Striolo, DR Cole - Energy & Fuels, 2017 - ACS Publications
Because of a number of technological advancements, unconventional hydrocarbons, and in
particular shale gas, have transformed the US economy. Much is being learned, as …

Effect of spontaneous emulsification on oil recovery in tight oil-wet reservoirs

J Liu, JJ Sheng, J Tu - Fuel, 2020 - Elsevier
Surfactants improve oil recovery from tight oil-wet formations through wettability alteration
and interfacial tension (IFT) reduction. The popular perspective believes that wettability …

An experimental study on the imbibition characteristics in heterogeneous porous medium

S Yuan, F Zhou, M Ma, Z Sun, J Zhang, T Liang, J Li - Physics of Fluids, 2023 - pubs.aip.org
Capillary imbibition plays an essential role in the flow behavior of unconventional reservoirs.
The severe heterogeneity of pore structures in unconventional formations can lead to …

Evaluation of wettability alteration and IFT reduction on mitigating water blocking for low-permeability oil-wet rocks after hydraulic fracturing

T Liang, F Zhou, J Lu, D DiCarlo, Q Nguyen - Fuel, 2017 - Elsevier
A significant amount of water is lost into shale reservoirs after hydraulic fracturing, and this
can cause the permeability reduction that hinders hydrocarbon production. A coreflood …

Experimental investigation of CO2-oil interactions in tight rocks: A Montney case study

A Habibi, MR Yassin, H Dehghanpour, D Bryan - Fuel, 2017 - Elsevier
This paper presents comprehensive rock-fluid experiments to study the possibility of oil
recovery improvement when CO 2 is injected as a fracturing fluid in the Montney tight-oil …