在中高温水库中对微球表面活性剂系统的配置控制和洪水效应的调查
Bochen Wang1, Xiuyu Wang1, Cong Zhang1
1College of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, China.
ACS omega
|March 2, 2026
概括
一个新的耐温度微球表面活性剂系统 (MSS) 通过改善配置控制和阻塞水道,提高了高温水库中的石油回收. 这种系统稳定了石油产量,并有效地减少了削减的水量.
科学领域:
- 石油工程是石油工程中的一个.
- 材料科学 材料科学 材料科学
- 合体和表面化学
背景情况:
- 中高温油库面临的挑战是清扫效率低,水过早突破.
- 现有的增强石油回收 (EOR) 方法往往缺乏热稳定性和有效的配置控制.
研究的目的:
- 开发一种新型的耐温度微球表面活性剂系统 (MSS),以在具有挑战性的水库条件下改善石油回收.
- 评估MSS的静态和动态性能,以提高石油生产和水切割控制.
主要方法:
- 对聚合物微球特性 (颗粒大小,形态,稳定性,膨胀) 和表面活性剂性能 (界面张力,乳化,热稳定性) 的系统评估.
- 核心洪水实验评估MSS注入性,阻塞效率和EOR潜力.
- 在多孔介质中分析MSS机制.
主要成果:
- 开发的DNM微球和Aec9Na + OP-10表面活性剂系统在15天内表现出高达110°C的优异热稳定性.
- 在水合后,MSS获得了5.29微米的稳定中位粒子大小,显示出良好的注射性和阻塞性能.
- 对于阻塞效率和注射性而言,微球的最佳度为0.4%.
- 使用优化 MSS 的混合注射模式,油脂回收率提高了 23.33%.
结论:
- 该MSS有效地阻塞水道,转移注射液体,降低界面张力,并改变湿度,从而提高油位移.
- 该系统为稳定石油产量和控制中高温水库中断水提供了有前途的解决方案.
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