A Perspective on ionic liquids as multifunctional agents in enhanced oil recovery and CO2 sequestration in carbonate formations

A Perspective on ionic liquids as multifunctional agents in enhanced oil recovery and CO2 sequestration in carbonate formations

Enhanced Oil Recovery (EOR) combined with carbon dioxide (CO2) sequestration offers a promising solution to address the dual challenge of meeting global energy demands while reducing greenhouse gas emissions that drive global warming. Carbonate reservoirs with a large portion of the world’s remainin...

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Bibliographic Details
Main Authors: Abdul Haris Salam, Masooma Nazar, Muhammad Shahzad Kamal, Ahmad Mahboob, Syed Muhammad Shakil Hussain, Murtada Saleh Aljawad, Arshad Raza, Shirish Patil
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Carbon Capture Science & Technology
Subjects:
EOR
CO2 sequestration
Wettability alteration
ILs
Geological trapping
Online Access:http://www.sciencedirect.com/science/article/pii/S277265682500082X
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Summary:Enhanced Oil Recovery (EOR) combined with carbon dioxide (CO2) sequestration offers a promising solution to address the dual challenge of meeting global energy demands while reducing greenhouse gas emissions that drive global warming. Carbonate reservoirs with a large portion of the world’s remaining oil present challenges, including complex pore structure, low permeability, and oil-wet characters. Furthermore, operational challenges such as intricate phase behaviour, water–rock–gas interactions, reservoir integrity risks, high salinity, and the presence of impurities like H2S, further complicate their exploitation. Recently, ionic liquids (ILs) have emerged as potential solutions to such challenges. ILs have unique properties, including tunable nature, thermal stability, and near-zero vapor pressure. ILs have EOR capacity by modifying wettability, reducing interfacial tension, and improving CO2 adsorption and dissolution under harsh reservoir conditions. This paper identifies the challenges associated with carbonate reservoirs and suggests the possible role of ILs in addressing these issues. The major objectives of this work are to demonstrate the potential of ILs in the sustainable implementation of EOR and the development of an efficient carbon management approach.
ISSN:2772-6568

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