河流相沉积砂体具有横向上变化快,砂体分布不稳定,垂向上砂体叠置关系复杂的特征。给河流相沉积砂体的等时、精细对比带来很大难度,至今还是一个尚未从根本上解决的难题。通过实践研究,初步总结出一些实际工作中常用到的砂体细分方法,以指导今后工作。 The fluvial-sedimentary sand body has the characteristics of rapid change in the lateral direction, unstable distribution of the sand body, and complicated relationship between the sand bodies in the vertical direction. It is still a difficult problem that has not yet been fundamentally solved yet because of the isochronous and fine comparisons of river sedimentary sand bodies. Through practical research, some subdivisions of sand bodies commonly used in practical work are initially summarized to guide future work.