乙烯-醋酸乙烯酯共聚物对蜡质油包水乳液体系中环戊烷水合物诱导的影响。
Effect of the Ethylene Vinyl Acetate Copolymer on the Induction of Cyclopentane Hydrate in a Water-in-Waxy Oil Emulsion System.
作者信息
Peng Zeheng, Wang Wei, Cheng Lin, Yu Weijie, Li Kai, Liu Yingming, Wang Mengxin, Xiao Fan, Huang Huirong, Liu Yang, Ma Qianli, Shi Bohui, Gong Jing
机构信息
Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, State Key Laboratory of Natural Gas Hydrates, MOE Key Laboratory of Petroleum Engineering, China University of Petroleum-Beijing, No.18 Fuxue Road, Changping, Beijing 102249, PR China.
School of Petroleum Engineering, Chongqing University of Science & Technology, 20 Daxuecheng East Road, Shapingba, Chongqing 401331, PR China.
出版信息
Langmuir. 2021 Nov 16;37(45):13225-13234. doi: 10.1021/acs.langmuir.1c01734. Epub 2021 Nov 4.
In this paper, the effect of the ethylene vinyl acetate (EVA) copolymer, commonly used in improving rheological behavior of waxy oil, is introduced to investigate its effect on the formation of cyclopentane hydrate in a water-in-waxy oil emulsion system. The wax content studied shows a negative effect on the formation of hydrate by elongating its induction time. Besides, the EVA copolymer is found to elongate the induction time of cyclopentane hydrate through the cocrystallization effect with wax molecules adjacent to the oil-water interface.
本文介绍了常用于改善含蜡原油流变行为的乙烯-醋酸乙烯酯（EVA）共聚物，以研究其在含蜡原油乳液体系中对环戊烷水合物形成的影响。研究表明，蜡含量通过延长水合物形成的诱导时间对水合物形成产生负面影响。此外，发现EVA共聚物通过与油水界面附近的蜡分子共结晶作用来延长环戊烷水合物的诱导时间。
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