Improving surfactant flooding for heavy oil recovery using nano-emulsions

Key Points

• The research aims to enhance heavy oil recovery using surfactants combined with nano-emulsions.
• Utilized both nonionic and anionic surfactants
• Assessed oil-washing efficiency
• Compared effectiveness of different surfactant combinations
• Combination of nonionic and anionic surfactants showed highest oil-washing efficiency
• Indicated potential for improved oil recovery processes