对纳米粒子增强CO2响应泡 (NECRF) 的实验调查和MD模拟:对CO2的影响-EOR
Qi Gao1,2,3, Bo Wang1,2, Japan Trivedi3
1Key Laboratory of Oil & Gas Exploration and Development Theory and Technology, China University of Geosciences (Wuhan), Wuhan, Hubei Province 430074, PR China.
ACS applied materials & interfaces
|August 6, 2024
概括
纳米粒子增强的CO2响应泡 (NECRF) 显示出在CO2增强的石油回收 (CO2-EOR) 中的卓越稳定性和有效性. 这种新型的泡配方通过提高低透度形成的扫除效率来改善油的回收.
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
背景情况:
- 碳反应性泡 (CRF) 提供了增强的稳定性,用于CO2增强的石油回收 (CO2-EOR),由于虫状菌 (WLM) 的形成.
- 传统的表面活性泡缺乏有效的CO2-EOR应用所需的强度.
研究的目的:
- 开发和评估纳米粒子增强的CO2响应泡 (NECRF),以改善CO2-EOR.
- 评估NECRF的界面特性和石油回收潜力.
主要方法:
- 使用氨酸硫酸 (LES),二甲基氨酸胺和纳米SiO2.2.使用NECRF的制备.
- 对界面特性和EOR性能进行实验和数值评估.
- 分子动力学模拟和核磁共振辅助核心洪水实验.
主要成果:
- 在二氧化碳刺激时,NECRF的界面膨胀弹性模块增加了6倍,进一步增强了纳米-SiO2.
- 与LES泡相比,NECRF表现出更好的粘度,剪切阻力和显著较低的粗率.
- 分子动力学发现,无机盐通过加强水化和减少结合能量来增强发泡.
- 核心洪水实验证实了NECRF扫描低透率区域并提高符合性的能力.
结论:
- NECRF为CO2-EOR提供了一个高度稳定和有效的替代品.
- WLM和纳米颗粒的协同效应对于NECRF的增强性能至关重要.
- 在具有挑战性的地质构成中,NECRF为优化石油回收提供了一个有前途的战略.
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