CO<sub>2</sub> flooding technology and its application in Jiangsu Oilfield in Subei Basin

TANG Jiandong; WANG Zhilin; GE Zhengjun

doi:10.13809/j.cnki.cn32-1825/te.2024.01.003

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CO₂ flooding technology and its application in Jiangsu Oilfield in Subei Basin

更新时间：2025-12-05

- CO₂ flooding technology and its application in Jiangsu Oilfield in Subei Basin
- Petroleum Reservoir Evaluation and Development Vol. 14, Issue 1, Pages: 18-25(2024)
- 作者机构：
  
  1. 中国石化江苏油田分公司，江苏扬州 225009中国石化江苏油田分公司勘探开发研究院,江苏,扬州,225009
  2. 中国石化江苏油田分公司勘探开发研究院,江苏,扬州,225009
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2024.01.003
  CLC： TE357
- Published：2024
- 稿件说明：
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TANG Jiandong, WANG Zhilin, GE Zhengjun. CO₂ flooding technology and its application in Jiangsu Oilfield in Subei Basin[J]. Petroleum Reservoir Evaluation and Development, 2024, 14(1): 18-25.
DOI：

TANG Jiandong, WANG Zhilin, GE Zhengjun. CO₂ flooding technology and its application in Jiangsu Oilfield in Subei Basin[J]. Petroleum Reservoir Evaluation and Development, 2024, 14(1): 18-25. DOI： 10.13809/j.cnki.cn32-1825/te.2024.01.003.

摘要

CCUS（碳捕集、利用与封存）技术对绿色低碳转型、实现“双碳”目标意义重大，而CO

驱油埋存是其重要内容。苏北盆地江苏油田针对复杂断块油藏提高采收率的技术瓶颈开展CO

驱油技术攻关及多种类型矿场试验，形成了以重力稳定驱、驱吐协同等为特点的复杂断块油藏CO

驱油的4种差异化模式，成功开展了花26断块“仿水平井”重力稳定驱等技术先导试验，建成了10×10

t的复杂断块油藏CCUS示范工程。江苏油田累计注入液碳量30.34×10

t，累计增油量9.83×10

t，实现了较好的增产效果及经济效益。技术研究及试验可为其他复杂断块油藏的CO

驱开发提供参考借鉴。

Abstract

CCUS（Carbon capture

Utilization and Storage） technology is of great significance to the green and low-carbon transformation and the realization of the “dual carbon” goal

It includes important strategies like CO

enhanced oil recovery（EOR） and sequestration. Jiangsu Oilfield has been focusing on CO

EOR to improve recovery rates in the challenging fault block reservoirs of the Subei Basin. The company has developed four unique CO

EOR models suitable for these complex reservoirs

featuring techniques like gravity-stable displacement. A notable achievement is the successful pilot of the methods such as “simulated horizontal well” GAGD technology in Hua-26 fault block

which

led to the one hundred thousand CCUS project tailored for such reservoirs. According to statistics

Jiangsu Oilfield has injected a total of 30.34×10

t of liquid CO

with a cumulative oil increase of 9.83×10

realizing a better production increase and economic benefits. These technical researches and tests can provide valuable insights for applying CO

EOR in similar complex reservoirs.

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CO2 flooding technology and its application in Jiangsu Oilfield in Subei Basin

DOI：10.13809/j.cnki.cn32-1825/te.2024.01.003

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CO₂ flooding technology and its application in Jiangsu Oilfield in Subei Basin