High water production is a common problem in mature oil reservoirs. Gel-based treatments have been widely used as blocking agents to control water production in heterogeneous reservoirs. A comprehensive review of preformed particle gels (PPGs) status, properties, treatment methods, and mathematical modeling are being discussed in the present study. Different types of PPGs are categorized, and the main parameters for evaluating gel performance, including size of particles, swelling capacity, rheological properties, and plugging efficiency are discussed with a brief review of related experimental studies. PPG hybrid methods of oil recovery enhancement are studied carefully, and some essential items are explained. Studies show that PPG can be coupled with other methods like low salinity water flooding, surfactant flooding, weak polymer gel flooding, and polymer flooding. Finally, simulation and mathematical modeling of PPG treatment in channels, fractures, and porous media are reviewed briefly.

在成熟的油藏中，高产水是一个普遍的问题。基于凝胶的处理方法已广泛用作封闭剂，以控制非均质储层中的水生产。本研究讨论了预制颗粒凝胶（PPG）的状态，性质，处理方法和数学模型的全面综述。对不同类型的PPG进行了分类，并通过对相关实验研究的简要回顾，讨论了评估凝胶性能的主要参数，包括颗粒大小，溶胀能力，流变性和堵塞效率。仔细研究了PPG混合油提高采收率的方法，并解释了一些基本项目。研究表明，PPG可与其他方法结合使用，例如低盐度水驱，表面活性剂驱，弱聚合物凝胶驱，和聚合物驱。最后，简要回顾了PPG在通道，裂缝和多孔介质中处理的模拟和数学建模。