Swelling Mechanism of Core-Shell Polymeric Nanoparticles and Their Application in Enhanced Oil Recovery for Low-Permeability Reservoirs

doi:10.1021/acs.energyfuels.9b00131

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	Swelling Mechanism of Core-Shell Polymeric Nanoparticles and Their Application in Enhanced Oil Recovery for Low-Permeability Reservoirs
	Long YQ; Huang XH; Gao Y(高颖); Chen LQ; Song FQ; Zhang HQ
通讯作者	Long, Yunqian(longyunqian@163.com) ; Huang, Xiaohe(huangxh@zjou.edu.cn)
发表期刊	ENERGY & FUELS
	2019-04-01
卷号	33 期号:4 页码:3077-3088
ISSN	0887-0624
摘要	Nanotechnology provides potential benefits for enhanced oil recovery (EOR) in low-permeability reservoirs. In this paper, SiO2/P(MBAAm-co-AM) composite nanoparticles were prepared using the distillation precipitation polymerization method. Scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis were employed to characterize the morphology and microstructure of nanoparticles. The swelling behavior of polymeric nanoparticles in brine was investigated to evaluate the effect of salinity and temperature. Kinetic and thermodynamic analyses were employed to reveal the swelling mechanism. Displacement experiments were performed to investigate their performance in EOR in low-permeability reservoirs. The results show that the swelling ratio of SiO2/P(MBAAm-co-AM) composite nanoparticles is higher at low salinity and high temperature, which can be explained by the Flory theory. The swelling process is spontaneous and endothermic, being controlled by physical adsorption involving the diffusion of water molecules, which complies with the first-order kinetics model. The suspension of SiO2/P(MBAAm-co-AM) composite nanoparticles can improve incremental oil recovery from 10.28 to 21.97% with an increase of the swelled particle size from 580 to 1160 nm. It is feasible that core-shell polymeric nanoparticles can be used for EOR in low-permeability reservoirs.
DOI	10.1021/acs.energyfuels.9b00131
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000465486100040
关键词[WOS]	SIO2 NANOPARTICLES ; SIZE DISTRIBUTION ; GAS-RESERVOIRS ; WET CARBONATE ; WATER ; NANOFLUID ; IMPACT ; WETTABILITY ; MIGRATION ; INJECTION
WOS研究方向	Energy & Fuels ; Engineering
WOS类目	Energy & Fuels ; Engineering, Chemical
资助项目	Natural Science Foundation of Zhejiang Province[LY19A020004] ; National Natural Science Foundation of China[11602221] ; National Natural Science Foundation of China[11472246] ; General Research Projects of Zhejiang Provincial Department of Education[Y201840296] ; Cultivation Project of Zhejiang Ocean University
项目资助者	Natural Science Foundation of Zhejiang Province ; National Natural Science Foundation of China ; General Research Projects of Zhejiang Provincial Department of Education ; Cultivation Project of Zhejiang Ocean University
论文分区	二类
力学所作者排名	3
RpAuthor	Long, Yunqian ; Huang, Xiaohe
引用统计	被引频次：15[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/80705
专题	流固耦合系统力学重点实验室
推荐引用方式 GB/T 7714	Long YQ,Huang XH,Gao Y,et al. Swelling Mechanism of Core-Shell Polymeric Nanoparticles and Their Application in Enhanced Oil Recovery for Low-Permeability Reservoirs[J]. ENERGY & FUELS,2019,33,4,:3077-3088.
APA	Long YQ,Huang XH,高颖,Chen LQ,Song FQ,&Zhang HQ.(2019).Swelling Mechanism of Core-Shell Polymeric Nanoparticles and Their Application in Enhanced Oil Recovery for Low-Permeability Reservoirs.ENERGY & FUELS,33(4),3077-3088.
MLA	Long YQ,et al."Swelling Mechanism of Core-Shell Polymeric Nanoparticles and Their Application in Enhanced Oil Recovery for Low-Permeability Reservoirs".ENERGY & FUELS 33.4(2019):3077-3088.

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