对度驱动的泡稳定性和对异质多孔介质的符合性控制的洞察
Amir Hossein Molaei1, Matin Shahin1, Mohammad Simjoo2
1Faculty of Petroleum and Natural Gas Engineering, Sahand University of Technology, Tabriz, Iran.
Scientific reports
|December 26, 2025
概括
高盐度泡注入改善了异质水库中的油脂回收,通过创建可转移流量的乳液,与低盐度泡不同. 这种孔隙尺度研究揭示了盐度.
科学领域:
- 增强石油回收的方法
- 水库工程是水库的工程.
- 合体和表面科学科学
背景情况:
- 在异质水库中对符合性控制的泡应用取决于盐度.
- 泡-盐水-油相互作用的孔尺度机制,特别是关于乳液的机制,尚不清楚.
- 二硫酸盐 (SDS) 是用于产生泡的常见表面活性剂.
研究的目的:
- 在不同盐度下分析泡-乳液相互作用的孔尺度机制 (5,000比35,000ppmNaCl).
- 研究盐度在泡稳定性和乳液生成中的作用.
- 阐明这些因素如何影响异质油库中的合规控制和石油回收.
主要方法:
- 使用两层异质微型模型进行孔尺度分析.
- 盐水盐度的控制变化 (5,000 ppm 和 35,000 ppm NaCl).
- 观察泡质地,稳定性,乳液形成和在残留油存在时的流量转移机制.
主要成果:
- 低盐度产生稳定,细泡,但在高盐度下不稳定的乳液通过Jamin效应作为有效的转移剂.
- 含有粗,不稳定的乳液的高盐度泡通过阻断高透性区域,转移流量到低透性区域来提高符合性.
- 高盐度泡注射导致88.02%的油脂回收,比低盐度 (78.81%的回收) 有9.20%的改善.
结论:
- 盐度极大地影响泡稳定性和in-situ乳液生成,影响符合性控制.
- 优化盐度平衡可以提高泡稳定性和乳液形成,从而提高油脂回收率.
- 研究结果为设计盐水中的泡策略提供了关键的见解,用于EOR和气体储存的异质构成.
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