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随着油气田的二次、三次开采，人们愈来愈认识到了砂岩储层中粘土矿物的重要作用，如，高岭石的速流性、蒙脱石的水敏性、伊利石的丝缕化障积性、绿泥石的酸敏性等，具有这些特性的粘土矿物以不同的方式堵塞和填积在储层孔隙喉道中，影响油气开采的效益和开采所选的工艺。基于上述粘土矿物的特性，它们在储层中矿物组成和含量的不同将会影响储层物性的孔隙形态和渗透力的大小，也会影响油气资源的评价。因此，本文提出用粘土矿物的组成、含量、砂岩孔隙度和渗透率的数学模型来定量评价储层物性，称之为储层粘土矿物二次参数评价方法。
With the second and third extraction of oil and gas fields, people are increasingly aware of the important role played by clay minerals in sandstone reservoirs, such as the fast flow of kaolinite, water sensitivity of montmorillonite, Barrier properties, acid sensitivity of chlorite, etc. Clay minerals with these characteristics are clogged and accumulated in the pore throats of reservoirs in different ways, affecting the efficiency of oil and gas exploration and mining the selected process. Based on the above characteristics of clay minerals, their differences in mineral composition and content in the reservoir will affect the pore morphology and permeability of reservoir physical properties, as well as the evaluation of oil and gas resources. Therefore, this paper presents a quantitative evaluation of reservoir physical properties by using the mathematical model of clay mineral composition, content, sandstone porosity and permeability, which is called the evaluation method of secondary parameters of clay minerals.