超临界CO<sub>2</sub>萃取致密油的数值模拟研究

施雷庭; 朱诗杰; 马杰; 杨梅; 彭洋平; 叶仲斌

doi:10.13809/j.cnki.cn32-1825/te.2019.03.005

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超临界CO₂萃取致密油的数值模拟研究

• 方法理论 • | 更新时间：2025-12-05

- 超临界CO₂萃取致密油的数值模拟研究
- Numerical simulation of tight oil extraction with supercritical CO₂
- 油气藏评价与开发 2019年9卷第3期页码：25-31
- 作者机构：
  
  1. 西南石油大学油气藏地质与开发工程国家重点实验室,四川,成都,610500
  2. 中国石油西南油气田分公司四川华油集团榆林榆川天然气有限责任公司,陕西,榆林,719000
  3. 四川化工职业技术学院,四川,泸州,646099
  4. 中国石油新疆油田分公司百口泉采油厂,新疆,克拉玛依,834000
- 作者简介：
  
  [ "施雷庭（1976 —）,男,副教授,提高采收率教学与科研。E-mail： slting@swpu.edu.cn。" ]
- 基金信息：
  
  国家科技重大专项“准噶尔盆地致密油开发示范工程——大型油气田及煤层气开发”(2017ZX05070)
- DOI：10.13809/j.cnki.cn32-1825/te.2019.03.005
  中图分类号： TE348
- 纸质出版：2019
- 稿件说明：
移动端阅览
施雷庭, 朱诗杰, 马杰, 等. 超临界CO₂萃取致密油的数值模拟研究[J]. 油气藏评价与开发, 2019,9(3):25-31.

Shi Leiting, Zhu Shijie, Ma Jie, et al. Numerical simulation of tight oil extraction with supercritical CO₂[J]. Petroleum Reservoir Evaluation and Development, 2019, 9(3): 25-31.
施雷庭, 朱诗杰, 马杰, 等. 超临界CO₂萃取致密油的数值模拟研究[J]. 油气藏评价与开发, 2019,9(3):25-31. DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.005.

Shi Leiting, Zhu Shijie, Ma Jie, et al. Numerical simulation of tight oil extraction with supercritical CO₂[J]. Petroleum Reservoir Evaluation and Development, 2019, 9(3): 25-31. DOI： 10.13809/j.cnki.cn32-1825/te.2019.03.005.

摘要

利用CO

萃取作用进行吞吐施工能够克服致密油藏难以形成有效驱替的生产开发难题。通过PVTi模块进行原油馏分劈分

结合注CO

膨胀实验数据得到地层原油的拟组分性质

应用CFD模拟研究影响CO

对致密油萃取的相关因素。结果表明：超临界CO

在多孔介质中主要萃取原油的轻质组分

尤其是C

15+

以下的组分;注入压力越大

注入量越多

对原油的溶解能力就越强

能增强其对重质组分的萃取;同时CO

的注入量增加还能促进CO

在多孔介质中的滞留

利于CO

的封存;随着孔隙度的增加

的萃取效果先增加后下降

在较低孔隙度条件下依然有44 %的萃取效果。利用CO

萃取致密油具有一定的应用前景。

Abstract

The huff and puff operation by CO

extraction can overcome the production and development problems of tight reservoirs which are difficult to form effective displacement. Crude oil fractions were divided by PVTi module

and the pseudo-component properties of formation crude oil could be obtained by combining with the expansion experimental data of CO

injection. Relevant factors affecting the extraction of tight oil by CO

were studied by CFD simulation. The results showed that supercritical CO

mainly extracted the light components of crude oil in porous media

especially those below C

15+

. The higher injectio

n pressure was

and the more CO

was injected

the stronger the solubility of crude oil would be

and it could enhance the extraction of heavy components. Meanwhile

the increase of CO

injection could also promote the retention of CO

in porous media

which was conducive to CO

storage. With the increase of porosity

the extraction effect of CO

increased first and then decreased

and was still 44 % under the condition of lower porosity. The extraction of tight oil by CO

has a certain application prospect.

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超临界CO2萃取致密油的数值模拟研究

Numerical simulation of tight oil extraction with supercritical CO2

DOI：10.13809/j.cnki.cn32-1825/te.2019.03.005

摘要

Abstract

关键词

Keywords

references

超临界CO₂萃取致密油的数值模拟研究

Numerical simulation of tight oil extraction with supercritical CO₂