Application of polymers for chemical enhanced oil recovery: a review

A Gbadamosi, S Patil, MS Kamal, AA Adewunmi… - Polymers, 2022 - mdpi.com
Polymers play a significant role in enhanced oil recovery (EOR) due to their viscoelastic
properties and macromolecular structure. Herein, the mechanisms of the application of …

A review of the seepage mechanisms of heavy oil emulsions during chemical flooding

X Wang, F Wang, MAM Taleb, Z Wen, X Chen - Energies, 2022 - mdpi.com
Chemical flooding plays an important role in enhancing oil recovery due to many reasons,
including the viscosity-increment effect of polymer, wettability alteration effect of surfactant …

Oil recovery performance by surfactant flooding: a perspective on multiscale evaluation methods

K Al-Azani, S Abu-Khamsin, R Al-Abdrabalnabi… - Energy & …, 2022 - ACS Publications
Chemical-enhanced oil recovery (cEOR) is a class of techniques commonly used to extract
hydrocarbon fluids from reservoir rocks beyond conventional waterflooding. Surfactants are …

[HTML][HTML] Application of surfactants in enhancing oil recovery from tight carbonates: Physicochemical properties and core flooding experiments

O Massarweh, AS Abushaikha - Geoenergy Science and Engineering, 2023 - Elsevier
Surfactant formulations are optimized according to reservoir conditions to ensure their
efficiency in enhanced oil recovery (EOR). This experimental study aimed to examine the …

Performance of extended surfactant and its mixture with betaine surfactant for enhanced oil recovery in sandstone reservoirs with low permeability

G Zhang, Y Zheng, F Tian, H Liu, X Lu, X Yi… - Journal of Molecular …, 2023 - Elsevier
Carboxy betaines CnZC (where n represents the carbon number of the alkyl chain, n= 12, 14
and 16) and extended surfactant C16P3E6S were combined to assess their potential …

[HTML][HTML] Experimental investigation on the enhanced oil recovery efficiency of polymeric surfactant: Matching relationship with core and emulsification ability

X Chen, YQ Li, ZY Liu, WB Gao, MY Sui - Petroleum Science, 2023 - Elsevier
The polymeric surfactant can be used as an efficient agent for enhanced oil recovery (EOR)
because of its large bulk viscosity and good interfacial activity. However, there is a sparse …

Functional characteristics and dominant enhanced oil recovery mechanism of polymeric surfactant

L Dong, Y Li, J Wen, W Gao, Y Tian, Q Deng… - Journal of Molecular …, 2022 - Elsevier
There are more than 40% remaining oil trapped in the reservoir in the mature oilfield even
after second and tertiary recovery processes. High performance chemical agent was …

In-situ emulsification in low-tension surfactant/polymer systems: Impacts on enhanced oil recovery

Z Liu, Y Li, SH Hejazi, X Wang, X Chen, H Luan, Q Hou… - Fuel, 2024 - Elsevier
The flow of two immiscible liquids in porous media can lead to fluid mixing, resulting in
emulsions—where one phase is dispersed as droplets in the other. In reservoir rocks …

Wettability control mode of oil flow in shale reservoirs

Y Yang, M Cai, X Zhou, S Wei, A Wang - International Communications in …, 2024 - Elsevier
Shale oil reservoirs have a large number of micrometer-and nanometer-scale pores, which
significantly affect the wettability of shale oil flow. In this paper, the wettability control mode of …

Synthesis of a trident-like functional monomer and its utilization in the functionalization of polymer side chains with salt-responsive properties

R Hu, C Zhang, L Li, L Chen, F Jiang - Journal of Molecular Liquids, 2023 - Elsevier
The performance of water-soluble polymers is dependent on the structural characteristics of
their side chains. In this study, we synthesized a trident-like functional monomer, AC-1810 …