典型文献
Investigation on hydrate growth at the oil-water interface:In the presence of asphaltene
文献摘要：
Natural gas hydrates can readily form in deep-water oil production processes and pose a great threat to the oil industry.Moreover,the coexistence of hydrate and asphaltene can result in more severe chal-lenges to subsea flow assurance.In order to study the effects of asphaltene on hydrate growth at the oil-water interface,a series of micro-experiments were conducted in a self-made reactor,where hydrates nucleated and grew on the surface of a water droplet immersed in asphaltene-containing oil.Based on the micro-observations,the shape and growth rate of the hydrate shell formed at the oil-water interface were mainly investigated and the effects of asphaltene on hydrate growth were analyzed.According to the experimental results,the shape of the water droplet and the interfacial area changed significantly after the formation of the hydrate shell when the asphaltene concentration was higher than a certain value.A mechanism related to the reduction of the interfacial tension caused by the absorption of asphaltenes on the interface was proposed for illustration.Moreover,the growth rate of the hydrate shell decreased significantly with the increasing asphaltene concentration under experimental conditions.The conclusions of this paper could provide preliminary insight how asphaltene affect hydrate growth at the oil-water interface.
文献关键词：
中图分类号：
作者姓名：
Guangchun Song;Yuanxing Ning;Yuxing Li;Wuchang Wang
作者机构：
Shandong Key Laboratory of Oil-Gas Storage and Transportation Safety,College of Pipeline and Civil Engineering,China University of Petroleum,Qingdao 266580,China;State Key Laboratory of Natural Gas Hydrates,Beijing 100028,China
文献出处：
引用格式：
[1]Guangchun Song;Yuanxing Ning;Yuxing Li;Wuchang Wang-.Investigation on hydrate growth at the oil-water interface:In the presence of asphaltene)[J].中国化学工程学报（英文版）,2022(05):211-218
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0.472499
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