Study on impact of particle size of CO<sub>2</sub> foam system for flooding on its performance

LIU Shuangxing; PENG Bo; LIU Qi; LI Xingchun; XUE Ming

doi:10.13809/j.cnki.cn32-1825/te.2020.03.005

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Study on impact of particle size of CO₂ foam system for flooding on its performance

更新时间：2025-12-11

- Study on impact of particle size of CO₂ foam system for flooding on its performance
- Petroleum Reservoir Evaluation and Development Vol. 10, Issue 3, Pages: 33-38(2020)
- 作者机构：
  
  1. 中国石油大学（北京）,北京,102249
  2. 中国石油集团安全环保技术研究院有限公司,北京,102206
  3. 中国石油集团安全环保技术研究院有限公司,北京,102206
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2020.03.005
  CLC： TE355
- Published：2020
- 稿件说明：
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LIU Shuangxing, PENG Bo, LIU Qi, et al. Study on impact of particle size of CO₂ foam system for flooding on its performance[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(3): 33-38.
DOI：

LIU Shuangxing, PENG Bo, LIU Qi, et al. Study on impact of particle size of CO₂ foam system for flooding on its performance[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(3): 33-38. DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.005.

摘要

由于其独特的物理性质和其与原油之间的理化反应

被广泛用作驱替剂应用于原油开采过程中。但纯气体驱油易发生气窜现象

将CO

用于泡沫驱过程

既能发挥CO

气体本身的驱油作用

又能够实现流度控制

减少气窜现象发生的可能性。对粒径不同、化学组成相同的CO

泡沫体系的稳定性、粒径变化、渗流特征等进行了实验研究

得到了粒径对泡沫性能影响的变化规律

并对影响方式进行了分析与讨论。结果显示

气泡粒径越小

泡沫体系的稳定性越好、封堵能力越强

且粒径随时间变化越缓慢。通过改变制备工艺

减小泡沫体系的粒径

有利于驱油用泡沫体系稳定性和原油驱替能力的提升。

Abstract

is widely used as a displacement agent in oil displacement because of its unique physical properties and its chemical reaction with crude oil. But pure CO

gas flooding is prone to gas channeling. So the application of CO

in the foam flooding process make CO

can not only play its own role in oil displacement

but also realize fluidity control and reduce the possibility of gas channeling. In this study

the stability

particle size change and percolation characteristics of CO

foam with different particle sizes and the same chemical composition are experimentally studied

the change rule of the influence of particle size on foam performance is obtained

and the influence mode is anal

yzed and discussed. The results show that the smaller the bubble size

the better the stability of the foam system

the stronger the blocking ability

and the slower the particle size changes over time. Changing the preparation method to reduce the particle size of the foam system can effectively improve the foam’s stability and EOR capacity.

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Related Institution

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University

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Study on impact of particle size of CO2 foam system for flooding on its performance

DOI：10.13809/j.cnki.cn32-1825/te.2020.03.005

摘要

Abstract

关键词

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Study on impact of particle size of CO₂ foam system for flooding on its performance