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粘土矿物作为沉积岩储层的主要矿物，不仅在一定程度上影响岩石的脆性，而且对岩石的可钻性、储层物性以及压裂效果影响也很大。石油钻井过程中，对钻遇地层的粘土矿物进行快速识别，有利于钻井液工程师有针对性地采取措施，以保障钻井安全。本文介绍利用 XRD 技术对随钻岩屑、岩心进行快速分析，以实现随钻粘土矿物的快速鉴定。“,”Clay minerals, as the main minerals of sedimentary rock reservoirs, not only affect the brittleness of the rock to a certain extent, but also have a great impact on the drillability of the rock, the physical properties of the reservoir and the fracturing effect.During the oil drilling process, the quick identification of the clay minerals encountered in the drilling strata is helpful for drilling fluid engineers to take targeted measures to ensure drilling safety. This article introduces the use of XRD technology to quickly analyze cuttings and cores while drilling to achieve rapid identification of clay minerals while drilling.