A comprehensive review of the chemical-based conformance control methods in oil reservoirs

PI Sagbana, AS Abushaikha - Journal of Petroleum Exploration and …, 2021 - Springer
The production of excess water during oil recovery creates not only a major technical
problem but also an environmental and cost impact. This increasing problem has forced oil …

Review on using pH-sensitive microgels as enhanced oil recovery and water shutoff agents: Concepts, recent developments, and future challenges

A Koochakzadeh, A Teimouri, E Tohidi… - Geoenergy Science and …, 2023 - Elsevier
Excessive water production is one of the main problems of mature reservoirs, which reduces
hydrocarbon production and economic reservoir lifetime, and may pose severe …

Preparation and study of polyvinyl alcohol gel structures with acrylamide and 2-acrylamido-2-methyl-1-propanesulfonic acid for application in saline oil reservoirs for …

S Dong, L Li, Y Wu, X Huang… - ACS Applied Materials & …, 2023 - ACS Publications
Polymer gels can be effectively applied to plug fractured reservoirs and carbonate cave
strata. Herein, polyvinyl alcohol (PVA), acrylamide, and 2-acrylamido-2-methyl-1 …

A perspective on the prospect of Pickering emulsion in reservoir conformance control with insight into the influential parameters and characterization techniques

MM Yousufi, I Dzulkarnain, MEM Elhaj, S Ahmed - Processes, 2023 - mdpi.com
In reservoir conformance control, polymer gels and foams are majorly used; however, they
have drawbacks such as inducing formation damage, having weaker shear resistance …

Cationic surfactant-modified palygorskite particles as effective stabilizer for Pickering emulsion gel formation

S Wang, Y Shen, X Chen, L Dong, H Yu, M Bao… - Applied Clay Science, 2022 - Elsevier
Based on the synergistic interaction between palygorskite (PAL) and
cetyltrimethylammonium bromide (CTAB), Pickering emulsion gel was successfully prepared …

[HTML][HTML] Study of the reinforced mechanism of fly ash on amphiphilic polymer gel

BB Zhou, WL Kang, HB Yang, Z Li, LP Ma, ST Wang… - Petroleum Science, 2022 - Elsevier
Amphiphilic polymer gels are widely used in heterogeneous reservoirs for conformance
control technology. However, in high temperature and high salinity of calcium and …

Visualizing conformance control mechanisms in high-temperature reservoirs: A microfluidic analysis of Pickering emulsified gel systems

T Saikia, L Mejia, A Sultan, M Balhoff… - Microfluidics and …, 2024 - Springer
In the context of mature oil fields, the management of water production stands out as a
formidable challenge. Our prior research endeavors (Saikia et al. J Pet Sci Eng 2020, ACS …

Improved oil recovery in sandstone reservoirs with deep profile control technology: A comparative study between modified starch gel and polymer gel

G Leng, W Yan, F Li, B Wang, G Yuan, C Chu… - Geoenergy Science and …, 2023 - Elsevier
Deep profile control technology was implemented to alleviate the issue of oil recovery in
sandstone reservoirs caused by varying permeability. Rheological tests, injection and …

Evaluation of activated carbon as a Pickering emulsion Stabilizer for conformance control at high temperature and Salinity: A Focus on stability and rheology

MM Yousufi, I bin Dzulkarnain, MEM Elhaj… - Journal of Molecular …, 2025 - Elsevier
This study investigates activated carbon as a porous Pickering emulsifier for oil-in-water
emulsions in conformance control applications, aiming to enhance emulsion stability under …

Encapsulation of xanthan gum for controlled release at water producer zones of oil reservoirs

A Khalilnezhad, E Sahraei, FB Cortes… - Petroleum Science and …, 2025 - Taylor & Francis
Tolerating the harsh conditions of reservoirs is one of the main challenges for the application
of chemicals in field operations. Polymers are one of the chemical agents with extensive …