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[1]周锋,高伟,李晓明,等.二维多孔介质CO2混相驱油质量浓度分布[J].断块油气田,2021,(01):120-123,128.[doi:10.6056/dkyqt202101022]
 ZHOU Feng,GAO Wei,LI Xiaoming,et al.Mass concentration distribution of CO2 miscible flooding in 2-D porous media[J].Fault-Block Oil and Gas Field,2021,(01):120-123,128.[doi:10.6056/dkyqt202101022]
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二维多孔介质CO2混相驱油质量浓度分布(PDF)
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《断块油气田》[ISSN:1005-8907/CN:41-1219/TE]

卷:
期数:
2021年01
页码:
120-123,128
栏目:
开发工程
出版日期:
2021-01-25

文章信息/Info

Title:
Mass concentration distribution of CO2 miscible flooding in 2-D porous media
文章编号:
22
作者:
周锋高伟李晓明柯光明甘文兵曹廷宽
中国石化西南油气分公司勘探开发研究院,四川 成都 610000
Author(s):
ZHOU Feng GAO Wei LI Xiaoming KE Guangming GAN Wenbing CAO Tingkuan
Research Institute of Exploration and Development, Southwest Oil & Gas Company, SINOPEC, Chengdu 610000, China
关键词:
CO2驱混相驱数学模型二维对流扩散
Keywords:
CO2 flooding miscible flooding mathematical model 2-D convection-diffusion
分类号:
TE357.7
DOI:
10.6056/dkyqt202101022
文献标志码:
A
摘要:
CO2混相驱油过程涉及驱动、混合、溶解等多因素的复杂物理化学作用。目前相关研究主要集中在一维物理模拟和数学模型方面,二维条件下的CO2驱油机理讨论较少,而实际油藏开采是多维条件下进行的。因此,文中从数值模拟角度出发,基于经典二维对流扩散方程,建立并求解了二维油藏中心一口注CO2驱油井的物理化学渗流模型,讨论了二维CO2混相驱过程中的CO2质量浓度分布特征及模型相关参数对驱替效果的影响,总结出在不同主控因素下呈现的CO2质量浓度分布形态规律,并对实际生产提出合理建议。
Abstract:
CO2 miscible flooding is a complex physical and chemical process involving driving, mixing and dissolution. Present studies mainly focuses on the physical simulation and mathematical model in 1-D condition, the 2-D CO2 flooding mechanism is seldom dicussed, however the production of the actual reservoirs is carried out under multi-dimentional conditon. From the viewpoint of numerical simulation, this paper establishes and solves the physical and chemical seepage model of one CO2 flooding well in the center of 2-D reservoir based on the classical 2-D convective-diffusive equation. The characteristics of the CO2 mass concentration distribution and the effects of the parameters on the displacement are discussed. In the end, CO2 mass concentration distribution patterns under different main control factors are summed up, and reasonable suggestions for practical production are put forward.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2021-01-25