纳米技术在石油工业几个领域的应用，例如，炼油厂，钻井和提高石油采收率(EOR)，引起了很多关注，最近。本研究探讨了纳米粒子在EOR过程中的应用。各种纳米粒子的潜力，以混合和裸露的形式改变润湿性的状态，降低界面张力（IFT），根据最近的发现，研究了改变粘度和激活其他EOR机制。专注于EOR，纳米粒子与表面活性剂的混合应用，聚合物，讨论了低盐度相和泡沫，并评估了它们的协同作用。此外，激活的EOR机制被定义和指定。由于纳米流体在储层恶劣条件下的稳定对于EOR应用至关重要，综述了通过EOR程序稳定纳米流体的不同方法。此外,对NPs的不同功能组进行了讨论。稍后，研究了评估EOR过程的经济模型，并详细介绍了“Hotelling”方法作为研究EOR过程经济方面的适当模型。这项研究的结果可以使人们更好地了解EOR过程中纳米颗粒效率的基本基础，在纳米颗粒的应用过程中激活了EOR机制，选择合适的纳米粒子，关于成本和结果的EOR过程的稳定和经济评估方法。
Applications of nanotechnology in several fields of petroleum industry, e.g., refinery, drilling and enhanced oil recovery (EOR), have attracted a lot of attention, recently. This research investigates the applications of nanoparticles in EOR process. The potential of various nanoparticles, in hybrid and bare forms for altering the state of wettability, reducing the interfacial tension (IFT), changing the viscosity and activation of other EOR mechanisms are studied based on recent findings. Focusing on EOR, hybrid applications of nanoparticles with surfactants, polymers, low-salinity phases and foams are discussed and their synergistic effects are evaluated. Also, activated EOR mechanisms are defined and specified. Since the stabilization of nanofluids in harsh conditions of reservoir is vital for EOR applications, different methods for stabilizing nanofluids through EOR procedures are reviewed. Besides, a discussion on different functional groups of NPs is represented. Later, an economic model for evaluation of EOR process is examined and \"Hotelling\" method as an appropriate model for investigation of economic aspects of EOR process is introduced in detail. The findings of this study can lead to better understanding of fundamental basis about efficiency of nanoparticles in EOR process, activated EOR mechanisms during application of nanoparticles, selection of appropriate nanoparticles, the methods of stabilizing and economic evaluation for EOR process with respect to costs and outcomes.
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