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|本期目录/Table of Contents|

掺稀采油管内稠油流速径向分布特性研究

《应用力学学报》[ISSN:1000-4939/CN:61-1112/O3]

期数:
2019年02期
页码:
453-457
栏目:
出版日期:
2018-12-18

文章信息/Info

Title:
Flow velocity radial distribution characteristics of heavy oil diluted with thin oil in tube
作者:
邱伊婕孔祥伟
长江大学 石油工程学院 430100 武汉
Author(s):
Qiu Yijie Kong Xiangwei
School of Petroleum Engineering, Yangtze University, 430100, Wuhan, China
关键词:
采油管稠油稀释掺混特性层间扩散牛顿-幂律流体
分类号:
O352
DOI:
10.11776/cjam.36.02.A002
文献标识码:
A
摘要:
考虑稠油(幂律流体)与稀油(牛顿流体)层间扩散、相间作用力、掺混粘度等参数,建立了掺稀采油管内牛顿-幂律流体的流速计算模型对其编程求解;从掺稀前及掺稀后两种工况着手,对稠油掺稀采油管内流速的径向分布规律进行了详细分析。结果表明:流速在油管中的分布呈现轴对称性;随采油管外径增大、稠油稠度系数增大及采油管压力降的减小,采油管径向上稠油流速呈现减小趋势;稠油掺稀过程中,与层流的流动对比分析发现,稠油和稀油掺混时紊流流动过程中的过渡段出现增大趋势,此时的掺混速度以及均匀程度都有所提高。

参考文献/References

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