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本文充分运用地质、测井、地震资料，对塔里木盆地东河塘石炭系障岛壁岛后冲溢扇进行了研究。从岩性特征、结构、沉积构造、垂向层序、地球物理、沉积背景、古地理条件等几个方面，详细阐述了冲溢扇的沉积特征。概括总结了冲溢扇的沉积模式，并对冲溢扇含油气性进行了论述，指出冲溢扇沉积特征研究不仅可以丰富沉积学理论，而且为寻找上倾尖灭油气藏提供了新的领域
This paper makes full use of geological, logging and seismic data to study the post-flushing spill fan of Carboniferous barrier island in Donghetang, Tarim Basin. The sedimentary characteristics of the rapier fan are elaborated from several aspects, such as lithology, structure, sedimentary structure, vertical sequence, geophysics, sedimentary background and palaeogeographic conditions. The paper summarizes the deposition pattern of the flushing fan and discusses the hydrocarbon-bearing properties of the flushing fan. It is pointed out that the depositional characteristics of the flushing fan can not only enrich the theory of sedimentology, but also provide a new area for searching for updip pinch-out reservoirs