Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
In this work, a hydrophobically associative polymer (HAP) was mixed with β-cyclodextrin and epichlorohydrin polycondensate (β-CDP) in an aqueous solution to enhance the intermolecular interaction through host-guest inclusion between hydrophobes and cyclodextrins. Results showed that the host-guest interaction improved the thickening ability and viscoelasticity of the HAP solution and maintained its shear thinning behavior. The host-guest inclusion system demonstrated special viscosity-temperature curves and variable activation energy. Enhanced oil recovery (EOR) performance tests showed that the oil increment produced by the host-guest inclusion system was 5.5% and 9.3% higher than that produced by the HAP and the partially hydrolyzed polyacrylamide solution, respectively. Compared with pure HAP, β-CDP/HAP has a better comprehensive performance and is more attractive for EOR in high-temperature reservoirs.
Authors
- Z. Ye
- Pingya Luo
- Xi Li (ORCID: https://orcid.org/0000-0002-3173-3691)
Institutions
- Southwest Petroleum University (CN)
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (CN)
- Chengdu Technological University
- Qingdao University of Technology (CN)
Publication Details
- Journal
- Molecules
- Published
- 2024-12-30
- DOI
- https://doi.org/10.3390/molecules30010109
- Citations
- 4
- Primary Topic
- Enhanced Oil Recovery Techniques
- Type
- article
- Field-Weighted Citation Impact
- 1.34
Funders
- Southwest Petroleum University
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation