再论CO<sub>2</sub>驱提高采收率油藏工程理念和开发模式的发展

李士伦; 孙雷; 陈祖华; 李健; 汤勇; 潘毅

doi:10.13809/j.cnki.cn32-1825/te.2020.03.001

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再论CO₂驱提高采收率油藏工程理念和开发模式的发展
Further discussion on reservoir engineering concept and development mode of CO₂ flooding-EOR technology
2020年10卷第3期页码：1-14
纸质出版：2020
DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.001
稿件说明：

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李士伦, 孙雷, 陈祖华, 等. 再论CO₂驱提高采收率油藏工程理念和开发模式的发展[J]. 油气藏评价与开发, 2020,10(3):1-14. DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.001.

LI Shilun, SUN Lei, CHEN Zuhua, et al. Further discussion on reservoir engineering concept and development mode of CO₂ flooding-EOR technology[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(3): 1-14. DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.001.

摘要

自上世纪70年代以来

驱提高采收率技术在油藏工程理念上已形成连续CO

注入、恒定比例C-WAG（Constant Water-Alternating-Gas）注入、梯度/混合-WAG注入（Tapered/Hybrid WAG Injection）以及SWG（Simultaneous Water and Gas）或SSWG（Simultaneous Separated Water and Gas）注入等多种开发模式。CO

之所以成为极具活力的提高采收率注入气

得益于其所特有的超临界流体特征和显著的溶剂化能力。在对CO

主要的具有优势的驱油机理以及国内外典型CO

驱提高采收率油藏工程理念和开发模式分析基础上

结合国内外不同类型油气藏的开发特征

特别是水平井技术、低渗油气藏体积压裂技术的成功应用经验

以及与CCUS（Carbon Capture

Utilization and Storage）一体化的CO

CCUS-EOR（Carbon Capture

Utilization and Storage-Enhanced Oil Recovery）的综合利用理念

进一步对国内CO

驱提高采收率油藏工程开发模式的发展提出建议

以期能为促进国内CO

驱提高采收率技术的规模化发展提供启示。

Abstract

Since the 1970s

flooding-EOR technology has formed multiple development modes in the concept of reservoir engineering

including continuous CO

injection

WAG injection with constant proportion

tapered/hybrid WAG injection and SWG/SSWG injection. The reason why CO

become the injection gas for tertiary oil recovery with great vitality benefits from its supercriti

cal fluid characteristics and remarkable solvation capacity. Based on the analysis of the main oil displacement mechanism of CO

and the reservoir engineering concept and development mode of typical CO

flooding-EOR technology at home and abroad in recent years

and considering their development characteristics of different types of reservoirs

especially the successful application of horizontal well technology and low permeability reservoir volume fracturing technology

as well as the comprehensive utilization concept of CO

CCUS-EOR combined with CCUS concept

further suggestions are put forward for the development of reservoir engineering development mode by CO

flooding-EOR technology in China

so as to provide enlightenment for further promoting its large-scale development.

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再论CO2驱提高采收率油藏工程理念和开发模式的发展

Further discussion on reservoir engineering concept and development mode of CO2 flooding-EOR technology

DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.001

摘要

Abstract

关键词

Keywords

references

再论CO₂驱提高采收率油藏工程理念和开发模式的发展

Further discussion on reservoir engineering concept and development mode of CO₂ flooding-EOR technology