Carbon dioxide thickening: A review of technological aspects, advances and challenges for oilfield application

• Published in: Fuel (Guildford) Vol. 315; p. 122947
• Main Authors: Pal, Nilanjan, Zhang, Xuan, Ali, Muhammad, Mandal, Ajay, Hoteit, Hussein
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.05.2022; Elsevier BV
• Subjects: Carbon dioxide; Chemical classification; CO2 thickening; Copolymers; Ecological effects; Ecological footprint; EOR and fracturing; Gas solubility–viscosity relationship; Intermolecular forces; Miscibility; Molecular dynamics simulation; Molecular weight; Oil and gas fields; Oil field equipment; Oil fields; Petroleum industry; Polymers; Shear rate; Siloxanes; Thickening; Viscosity; CO2 thickening; Molecular dynamics simulation; EOR and fracturing; Gas solubility–viscosity relationship; Chemical classification

[Display omitted] •A review of CO2 thickening as promising technology for oilfield application.•Specific CO2 thickeners eliminate viscous fingering and gravity segregation issues.•CO2 thickeners have been categorized into five types, depending on chemical nature.•Thickening methodology was described...