油气藏评价与开发 >
2024 , Vol. 14 >Issue 1: 18 - 25
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2024.01.003
苏北盆地江苏油田CO2驱油技术进展及应用
收稿日期: 2023-09-14
网络出版日期: 2024-03-05
基金资助
中国石化科技攻关项目“苏北盆地含水层二氧化碳封存潜力及技术研究”(P21075-4);中国石化科技攻关项目“百万吨CO2驱油封存示范应用技术研究”(P22180-2)
CO2 flooding technology and its application in Jiangsu Oilfield in Subei Basin
Received date: 2023-09-14
Online published: 2024-03-05
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CO2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CO2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CO2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10×104 t的复杂断块油藏CCUS示范工程。江苏油田累计注入液碳量30.34×104 t，累计增油量9.83×104 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CO2驱开发提供参考借鉴。
唐建东 , 王智林 , 葛政俊 . 苏北盆地江苏油田CO2驱油技术进展及应用[J]. 油气藏评价与开发, 2024 , 14(1) : 18 -25 . DOI: 10.13809/j.cnki.cn32-1825/te.2024.01.003
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 CO2 enhanced oil recovery（EOR） and sequestration. Jiangsu Oilfield has been focusing on CO2 EOR to improve recovery rates in the challenging fault block reservoirs of the Subei Basin. The company has developed four unique CO2 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 30.34×104 t of liquid CO2, with a cumulative oil increase of 9.83×104 t, realizing a better production increase and economic benefits. These technical researches and tests can provide valuable insights for applying CO2 EOR in similar complex reservoirs.
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