沉积韵律，是指按颗粒从大到小、比重从大到小的顺序先后分层沉积而成岩层的规律，在地层剖面上，表现在从老到新的顺序上，岩层依粒度从粗到细，依次为粗砂岩——中砂岩——细砂岩——粉砂岩——泥岩。
按储层沉积旋回和沉积韵律特征，将三间房组油藏进一步细分为24个小层。
The Sanjianfang Formation's oil reservoir can be divided into 24 substratums in detail on sedimentary cycle and sedimentary rhythmic character of reservoir.
前言：采用三种不同沉积韵律平面模型试验研究水驱后聚合物与水气交替联驱提高原油采收率的驱替特征。
This paper applies three area models of different sedimentary rhythms to investigate some characteristics about polymer-WAG associated flooding for EOR.
剩余油的数量、分布情况受油层沉积韵律类型、重力作用、毛管力作用、油层渗透率、水驱强度等多种因素的制约。
The quantity and distribution of remaining oil are dominated by the type of deposit rhythm, gravity and capillarity force, permeability and water flooding degree.
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