We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
A Study on the Effect of New Surfactant Proportions on the Recovery Improvement of Carbonate Reservoir.
- Authors
Li, Pengfei; Hu, Mingyi
- Abstract
The strategy of integrating water injection and chemical additives in combining secondary and tertiary oil recovery techniques has been widely investigated in enhancing oil recovery efficiency. Nevertheless, there is a lack of sufficient evidence on the effectiveness of a mixture of cationic and nonionic surfactants combined with water injection techniques in enhancing recovery in the application of carbonate reservoirs. Therefore, it is particularly critical to explore the impact of this combination strategy in enhancing recovery in fractured carbonate reservoirs. The recovery enhancement effect can be assessed by conducting phase behavior experiments and determining interfacial tension and contact angle. Further, the effectiveness of specific surfactant ration solutions in enhancing recovery can be verified by performing drive-off experiments. The results show that low mineralization water and surfactants have a significant synergistic effect in enhancing the recovery efficiency of carbonate reservoirs, with the optimal ratio of cationic to non-ionic surfactants being 2.5:1. The optimized surfactant ratio is able to increase the recovery of carbonate reservoirs by 20% compared to the original recovery rate.
- Subjects
CARBONATE reservoirs; OIL field flooding; CATIONIC surfactants; NONIONIC surfactants; SURFACE active agents; ENHANCED oil recovery; CONTACT angle; INTERFACIAL tension
- Publication
Applied Sciences (2076-3417), 2024, Vol 14, Issue 10, p4028
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app14104028