关于周期性水灾期间微观剩余油流的机制的研究
Shiying Di1,2, Shou Ma1, Yuhua Wei1
1SinoFTS Petr Serv Ltd, Beijing 100101, China.
ACS omega
|March 17, 2025
概括
循环水泛滥,也称为过渡状态水泛滥,通过扰乱压力场来增强从低透性区域的石油回收. 这种方法扩大了异质水库的扫油量,改善了石油田的整体开发.
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:
- 传统的水淹是主要的油田开发方法,但它与水库异质性和断裂作斗争.
- 注入的水绕过了低透性的区域,导致大量的剩余油.
- 周期性水泛滥的油位移机制尚未得到充分理解.
研究的目的:
- 研究不同质的和断裂的水库中周期性水淹没的油位移机制.
- 为了可视化和分析在过渡性水淹没下剩余油的发生状态.
- 为了确定在不同压力阶段被排斥的剩余油的类型.
主要方法:
- 利用微流体实验方法,使用代表均和断裂水库的片状模型.
- 进行了定期注水和残留油生产的视觉实验.
- 传统的水淹与瞬态 (循环) 水淹的比较.
主要成果:
- 短暂的水泛滥有效地产生了低透区的剩余石油.
- 在短暂的洪水下压力场的干扰扩大了扫过的体积.
- 在异质和断裂模型中确定了在不同压力阶段被排离的特定类型的剩余油.
结论:
- 循环水泛滥是一种可行的技术,可以增强异质水库中的石油回收.
- 这些发现为优化水泛滥技术提供了指导.
- 为开发诸如表面活性剂和微生物洪水等先进方法提供了洞察力.
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