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在岩芯化验分析、测井解释等资料的基础上,结合沉积微相,对L11块沙三段储层的岩石学特征、物性及非均质性进行了详细研究。结果表明,L11块沙三段储层主要岩石类型为砂砾岩;储层物性条件好,为中孔、中渗型,储层非均质性强。通过对该块储层特征的研究,利用水平井有效挖潜剩余油,为改善本区油藏开发效果奠定了基础。
Based on the data of core analysis and logging interpretation, combined with the sedimentary microfacies, the petrological characteristics, physical properties and heterogeneity of the third member of Es3 in Block L11 are studied in detail. The results show that the main rock type in the third member of L11 block is glutenite. The reservoir has good physical properties, medium porosity and medium permeability, and strong reservoir heterogeneity. Through the study on the characteristics of the reservoir, the use of horizontal wells to tap the remaining oil effectively laid the foundation for the improvement of reservoir development in this area.