The high quality sand-body trap is characteristic of a large-scale trap, having furthersome types of reservoir facies and favorable reservoir, which are key factors for hydrocarbon enrichment.
优质的砂岩体圈闭具有圈闭规模大、发育有利的储集相类型和良好储集层的特点，这些是油气富集的关键因素。
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
在坳陷湖盆，河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
在坳陷湖盆，河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
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