Preparation and application of nanofluid flooding based on polyoxyethylated graphene oxide nanosheets for enhanced oil recovery

被引：66
作者：
Cao, Jie [1 ,2 ]
Chen, Yingpeng [1 ,2 ]
Zhang, Jian [3 ,4 ]
Wang, Xiujun [3 ,4 ]
Wang, Jia [1 ,2 ]
Shi, Chunxiao [1 ,2 ]
Ning, Yifan [1 ,2 ]
Wang, Xinming [1 ,2 ]
机构：
[1] China Univ Petr East China, Key Lab Unconvent Oil & Gas Dev, Minist Educ, Qingdao 266580, Peoples R China
[2] China Univ Petr East China, Sch Petr Engn, Shandong Key Lab Oilfield Chem, Qingdao 266580, Peoples R China
[3] State Key Lab Offshore Oil Exploitat, Beijing 100027, Peoples R China
[4] CNOOC Res Inst Co Ltd, Beijing 100027, Peoples R China
来源：
CHEMICAL ENGINEERING SCIENCE | 2022年 / 247卷
基金：
中国国家自然科学基金;
关键词：
Polyoxyethylated graphene oxide; Nanofluid; Interfacial tension; Wettability alteration; Enhanced oil recovery; WETTABILITY ALTERATION; HIGH-PERFORMANCE; HEAVY OIL; NANOPARTICLES; SUSPENSIONS; SURFACTANT; REDUCTION; POLYMER;
D O I：
10.1016/j.ces.2021.117023
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this paper, an innovative polyoxyethylated graphene oxide-based nanofluid (P-GO-O) for enhanced oil recovery was prepared. Transmission electron microscopy (TEM), Fourier transform infrared spectrometer (FTIR), Raman spectra, thermogravimetric analysis (TGA), and UV-vis spectra analysis were used to characterize the P-GO-O nanosheets. Moreover, zeta potential, temperature resistance, and salinity tolerance were evaluated to determine the dispersion stability of the P-GO-O nanofluid. The zeta potential of P-GO-O in deionized water was-39 mV, and the P-GO-O nanofluid exhibited excellent high temperature and high salinity resistance. Benefiting from its structure, the P-GO-O nanofluid was capable of lowering the oil-water interfacial tension to 12.2 mN/m and changing the oil-wet surface to the water-wet surface. In the oil displacement test, the oil recovery ratio of P-GO-O nanofluid (17.2%) was higher than the GO-O (octadecylaminated graphene oxide) nanofluid (6.7%), which was attributed to its better stability and wettability alteration. These results indicated that the P-GO-O nanofluid had the potential for enhanced oil recovery (EOR) application. (c) 2021 Elsevier Ltd. All rights reserved.
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页数：11
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