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通过对钻井和地震等资料的综合分析，在开鲁盆地陆东凹陷上侏罗统中可识别出７个钻井中期基准面旋回以及与之对应的７个地震层序。７个中期旋回可合并成两个长期旋回ＬＳＣ１和ＬＳＣ２，并分别与盆地的稳定沉降阶段和强烈断陷阶段相对应。运用旋回对比原理，可建立起高分辨率地层对比格架。经研究，基准面旋回与生储盖组合的关系十分密切。基准面上升到下降的转换位置发育的大套泥岩段是区内的主要烃源层和良好的区域盖层。基准面旋回上升和下降阶段形成的各类砂体是区内主要的储集体。生储盖组合在纵向上的配置与基准面旋回的关系也十分密切，基准面上升阶段易形成上生下储和自生自储组合；基准面下降阶段易形成下生上储组合。基准面上升阶段形成的储盖组合更有利于油气聚集。
Through the comprehensive analysis of drilling and seismic data, seven mid-drilling base-level cycles can be identified in the upper Jurassic of Luodong depression in the Kailu Basin and the corresponding seven seismic sequences. Seven mid-term cycles can be combined into two long-term cycles, LSC1 and LSC2, corresponding to the stable subsidence phase and the intense subsidence phase, respectively. Using the principle of cycle comparison, a high-resolution stratigraphic contrast grid can be established. After research, the relationship between the reference plane cycle and the reservoir-cap combination is very close. The large set of mudstone segments developed at the transition from base level up to down is the main hydrocarbon source and good regional caprock in the area. Various types of sand bodies formed during the rising and falling stages of the base-level cycles are the main reservoirs in the area. The relationship between the configuration of the reservoir and the cover in the vertical direction and the cycle of the reference plane is also very close. The rising stage of the reference plane is easy to form the combination of the supergenerate storage and the spontaneous self-storage. The reservoir-cap combination formed at the rising stage of the reference plane is more conducive to hydrocarbon accumulation.