通过岩心观察、测井与录井资料,对平湖油气田花港组河流相地层进行了高分辨层序地层分析,识别出2个中期旋回(MSC1与MSC2)与20个短期旋回,建立了研究区的层序地层格架。短期旋回分4种类型并以非对称旋回为主。两个中期旋回为非对称旋回,但MSC2对称性更大,反映了可容纳空间的持续增加。在基准面旋回的控制下,沉积相呈现有规律的辫状河曲流河辫状河曲流河交替演化,在每个中期旋回均以辫状河开端,以曲河流结束,由于中期旋回在长期旋回中的位置不同,曲流河的特征也有所不同。位于中期旋回上升半旋回中部的曲流河及底部的辫状河是研究区的有利砂体,尤其是前者最为有利。 Based on the core observation, well logging and logging data, the high-resolution sequence stratigraphy of the fluvial facies in Huagang Formation of Pinghu Oil and Gas Field was analyzed. Two mid-term cycles (MSC1 and MSC2) and 20 short-term cycles were identified, and the study area Sequence stratigraphic framework. Short-term cycle divided into four types and asymmetric cycle-based. The two mid-cycle cycles are asymmetric cycles, but the MSC2 has a more symmetrical profile, reflecting a steady increase in stowage space. Under the control of the reference plane cycles, the sedimentary facies showed a regular evolution of braided river braided river braided river meandering. At each metaphase, the braided river started and the river ended. Due to the mid-term cycle, In the different locations, meandering river characteristics are also different. The meandering river and the bottom braided river located in the middle of the mid-cycle gyration and semi-cycle back are the favorable sand bodies in the study area, especially the former.