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随着油田开发的深入,储层预测的变得越来越重要,其准确性对提高油田开发效率、预测剩余油分布具有重要的影响。利用高分辨层序地层学理论,建立了塔中志留系塔塔埃尔塔格组高精度的等时地层格架;根据岩心、测井和三维地震等资料进行沉积微相精细分析,确定沉积微相的展布,发现砂岩、砾岩富集的沉积微相的展布规律和形态特征。在上述条件的约束下,建立了储层三维地质建模并对于有利层位进行了流动单元研究。
With the deepening of oilfield development, reservoir prediction becomes more and more important, and its accuracy plays an important role in improving oilfield development efficiency and predicting remaining oil distribution. Using the theory of high resolution sequence stratigraphy, a high-precision isochronal stratigraphic framework of the Tazhiaertai Eltag Formation in the Tazhong Silurian has been established. Based on the core, well logging and 3D seismic data, a detailed analysis of sedimentary microfacies has been made to determine The distribution of sedimentary microfacies and distribution patterns of sandstone and conglomerate-rich sedimentary microfacies are found. Constrained by the above conditions, a three-dimensional geological modeling of the reservoir was established and flow units were studied for favorable horizon.