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按河道形态，河流分为４类：（１）顺直河；（２）曲流河；（３）辫状河；（４）网状河。根据河道砂岩体主体的宽（ｗ）与（ｈ）高之比，河道砂岩体分为带状砂岩体（ｗ∶ｈ小于１５）和席状砂岩体（ｗ∶ｈ大于１５）。在参考前人资料的基础上，总结了在横切河道的地震剖面上河道砂岩体的反射形态、结构及振幅变化。重点介绍了曲流河内侧沙洲地震勘探，以及三维地震勘探技术在寻找河道砂岩体方面的应用。并强调指出，在河道砂岩体地震勘探中，应当加强地震资料与钻井资料、测井资料的结合。
According to the river shape, the rivers are divided into four categories: (1) Straight river; (2) Meandering river; (3) Braided river; (4) Meshed river. According to the ratio of width (w) to height (h), the channel sandstone body is divided into zonal sandstone body (w: h less than 15) and schistose sand body (w: h greater than 15). Based on the previous data, the reflection shape, structure and amplitude of the sandstone bodies in the river channel are summarized. This paper mainly introduces the seismic exploration of the sand bank in the meandering river and the application of 3D seismic exploration technology in the search for channel sandstone bodies. And emphasized that in the seismic exploration of sandstone bodies in the river, the combination of seismic data, drilling data and well logging data should be strengthened.