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冷家堡油田沙三段为一套陡坡近岸水下扇沉积。储层平面和层内非均质程度严重,具有4类20种物性韵律模式。低渗细喉不均匀型和低渗透微细喉不均匀型为主要孔隙结构类型。泥质含量、粘土矿物产状分布及沉积成岩后生作用是影响储层物性的重要因素。
Section 3 of Lengjiabao Oilfield is a set of steep submarine submarine fan deposits. There are four kinds of 20 kinds of physical prosody patterns in reservoir plane and in-layer heterogeneity. Hypotonic throat heterogeneity and low permeability throat heterogeneity are the main types of pore structure. The content of clay, the distribution of clay minerals and the sedimentary diagenesis are important factors that affect reservoir physical properties.