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 i...

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Main Authors: Xi Li, Zhongbing Ye, Pingya Luo
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/30/1/109
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author Xi Li
Zhongbing Ye
Pingya Luo
author_facet Xi Li
Zhongbing Ye
Pingya Luo
author_sort Xi Li
collection DOAJ
description 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.
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institution Kabale University
issn 1420-3049
language English
publishDate 2024-12-01
publisher MDPI AG
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series Molecules
spelling doaj-art-b50757d140434cefb722a7cbae367f2a2025-01-10T13:18:54ZengMDPI AGMolecules1420-30492024-12-0130110910.3390/molecules30010109Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative PolymerXi Li0Zhongbing Ye1Pingya Luo2State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, ChinaState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, ChinaState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, ChinaIn 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.https://www.mdpi.com/1420-3049/30/1/109hydrophobically associative polymerβ-cyclodextrin polymerenhanced oil recoveryhost–guest inclusionpolymer flooding
spellingShingle Xi Li
Zhongbing Ye
Pingya Luo
Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
Molecules
hydrophobically associative polymer
β-cyclodextrin polymer
enhanced oil recovery
host–guest inclusion
polymer flooding
title Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
title_full Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
title_fullStr Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
title_full_unstemmed Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
title_short Performance Evaluation of Enhanced Oil Recovery by Host–Guest Interaction of β-Cyclodextrin Polymer/Hydrophobically Associative Polymer
title_sort performance evaluation of enhanced oil recovery by host guest interaction of β cyclodextrin polymer hydrophobically associative polymer
topic hydrophobically associative polymer
β-cyclodextrin polymer
enhanced oil recovery
host–guest inclusion
polymer flooding
url https://www.mdpi.com/1420-3049/30/1/109
work_keys_str_mv AT xili performanceevaluationofenhancedoilrecoverybyhostguestinteractionofbcyclodextrinpolymerhydrophobicallyassociativepolymer
AT zhongbingye performanceevaluationofenhancedoilrecoverybyhostguestinteractionofbcyclodextrinpolymerhydrophobicallyassociativepolymer
AT pingyaluo performanceevaluationofenhancedoilrecoverybyhostguestinteractionofbcyclodextrinpolymerhydrophobicallyassociativepolymer