...隆起 河口坝 沉积背斜 [gap=912]ern Sichuan Depression;2nd member of Xujiahe Formation;sedimentary paleo-uplift;mouth bar;sedimentary anticline ...
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河口坝 mouth bar ; estuary dam ; debouch bar ; River mouth bar 河口污染 river mouth pollution ; pollution of estuary ; Estuarine pollution ; Pollution estuarine ..
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河口坝 mouth bar ; estuary dam ; debouch bar ; River mouth bar 河口污染 river mouth pollution ; pollution of estuary ; Estuarine pollution ; Pollution estuarine .
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Material source are mainly from southern and northeast of the working area. Sand types are mainly of delta front subwater distributaries channel sand body, river mouth bar and sheet sand body with large degree of planar variation.3.
物源主要来自于工区南部及东北部，砂体类型主要为扇三角洲前缘水下分流河道砂体、河口坝砂体及席状砂砂体，储层分布纵、横向变化较大。
参考来源 - 辽河西部凹陷欢103井区杜家台油层油藏描述·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
主要沉积微相为水下分流河道、河口坝、远砂坝、席状砂、天然堤、决口扇等。
The main sedimentary microfacies comprise distributary channel, mouth bar, distal bar, blanket sand, natural levee and crevasse splay.
该区沉积相与油气分布关系分析表明，河口坝、远砂坝和席状砂微相是最有利的油气聚集带。
Relationship between sedimentary facies and hydrocarbon distribution shows that most favorable oil and gas accumulation zones occur in the mouth bar, distal bar and sand sheet.
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