... delta front sheet sand 三角洲前缘席状砂 delta front sand body 三角洲前缘砂体 Delta Front Facies 三角洲前缘相 ...
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扇三角洲前缘砂体类型以水下分流河道为主，局部发育河口坝。
The subaqueous distributary channel is the main type of the fan delta front while the channel mouth bar is developed locally.
环境系数通常与距离生油凹陷的远近及与三角洲前缘砂体的接触程度等外部环境因素有关。
The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.
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.
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