Present situation and further research direction of CO<sub>2</sub> flooding technology in Shengli Oilfield

CAO Xulong; LYU Guangzhong; WANG Jie; ZHANG Dong; REN Min

doi:10.13809/j.cnki.cn32-1825/te.2020.03.008

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Present situation and further research direction of CO₂ flooding technology in Shengli Oilfield

更新时间：2025-12-11

- Present situation and further research direction of CO₂ flooding technology in Shengli Oilfield
- Petroleum Reservoir Evaluation and Development Vol. 10, Issue 3, Pages: 51-59(2020)
- 作者机构：
  
  中国石化胜利油田分公司,山东,东营,257000
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2020.03.008
  CLC： TE357.42
- Published：2020
- 稿件说明：
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CAO Xulong, LYU Guangzhong, WANG Jie, et al. Present situation and further research direction of CO₂ flooding technology in Shengli Oilfield[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(3): 51-59.
DOI：

CAO Xulong, LYU Guangzhong, WANG Jie, et al. Present situation and further research direction of CO₂ flooding technology in Shengli Oilfield[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(3): 51-59. DOI： 10.13809/j.cnki.cn32-1825/te.2020.03.008.

摘要

驱是提高低渗透油藏采收率和减少温室气体排放双赢的主要技术。针对胜利油田低渗透油藏CO

驱面临的混相难、易气窜、波及系数低等技术难题

采用物理模拟和数值模拟相结合的方法

明确了超前注CO

混相驱的开发机理

形成了特低渗透油藏的超前注CO

混相驱开发技术

现场应用后增产效果明显

单井日产油增加了5倍。提出降低混相压力的原理和技术思路

研发了降低混相压力体系

降幅可达22 %。分析胜利油田CO

驱规模应用面临的挑战及对策

提出了深化CO

驱提高石油采收率的相态理论、研发低成本扩大CO

驱波及体积技术、发展CO

非完全混相驱、气窜通道描述与预警等CO

驱的发展方向

为油田实现CO

驱规模应用提供技术支撑。

Abstract

flooding is effective for enhancing the oil recovery in low permeability reservoir and reducing the greenhouse gas emissions. In order to solve the technical problems of difficult miscible phase

easy gas channelling and low sweep coefficient for CO

flooding in low permeability reservoir in Shengli Oilfield. By the combination of physical and numerical simulation

the development mechanism of the CO

injection miscible flooding long in advance is clarified

and the comprehensive techniques for extra low permeability reservoir is formed. After field application

the stimulation effect is obviou

the daily production of oil per well increase by 5 times. The principle and technical idea of reducing the miscibility pressure are put forward

and the system of reducing the miscible pressure system is developed

which can make the pressure decrease by up to 22 %. The challenge and countermeasure faced by scale application of CO

flooding in Shengli Oilfield are analyzed

and the development directions of CO

flooding are proposed

such as deepening the phase state theory of oil recovery enhanced by CO

flooding

developing CO

flooding technology with expanded sweep volume at low cost

developing incomplete CO

miscible flooding

and description and early warning of gas channeling. All these provide technical support for oil field to realize scale application of CO

flooding.

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Related Institution

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

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AI问答

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Present situation and further research direction of CO2 flooding technology in Shengli Oilfield

DOI：10.13809/j.cnki.cn32-1825/te.2020.03.008

摘要

Abstract

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Keywords

references

Present situation and further research direction of CO₂ flooding technology in Shengli Oilfield