关于二氧化碳2泛滥在具有间层异质性水库中的扫描模式的实验研究
Jiangfei Wei1,2, Yutong Yan1,2, YuJia Chen3
1School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China.
ACS omega
|April 21, 2025
概括
在异质水库中优化二氧化碳 (CO2) 泛滥需要谨慎的策略. 同时激活层可以显著提高85.47%的回收率,提高扫除效率.
科学领域:
- 石油工程是石油工程中的一个.
- 储水库工程 储水库工程
- 增强石油回收的方法
背景情况:
- 二氧化碳 (CO2) 泛滥对于低透性的水库至关重要,提供良好的注入性和可混合性.
- 储的异质性可能会导致手指和重力覆盖,降低扫除效率.
- 在层间异质性下了解二氧化碳扫除效率对于优化石油回收至关重要.
研究的目的:
- 在二维,三层异质物理模型中研究二氧化碳可混合洪水扫除效率.
- 分析不同注入生产策略对油位移的影响.
- 阐明重力分离和质量转移的动态合机制.
主要方法:
- 利用一个2D,三层,同样厚的,异构的可视化物理模型.
- 我们比较了三种注射生产策略:连续层激活,同时激活和加速泛滥.
- 采用高速成像技术实时监测二氧化碳前部迁移.
主要成果:
- 低注射速率 (0.1毫升/分钟) 导致重力覆盖,并限制了高透性层的扫描面积.
- 高注射速率 (1.0毫升/分钟) 抑制了高透性层的覆盖,增加了高透性层的扫描面积.
- 同时激活实现了85.47%的总回收,通过协同的质量转移和压力差异,对中等透度层来说是最佳的.
结论:
- 注入生产速度对异质储库中的二氧化碳扫除效率产生重大影响.
- 层间合效应显著影响二氧化碳的迁移和回收.
- 同时激活策略是最大限度地提高二氧化碳洪水回收在间层异质水库的最佳.
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