It constitutes the gentle slopedepositional system pattern of Shahejie Formation in Chengbei fault-step belt, whichis built up by delta, lake and gravity current.
并建立了埕北断阶带沙河街组缓坡沉积体系模式，形成三角洲—湖泊—重力流沉积体系组合。
参考来源 - 埕宁隆起北坡缓坡带古近纪沙河街组沉积体系分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The main oil-bearing layer is Shahejie Formation.
主要含油层位为沙河街组。
The pools of sand lens in the third section of Shahejie Formation in Niuzhuang sub-depression were analyzed.
对东营凹陷牛庄洼陷沙三段砂岩透镜体油藏的成藏过程进行了分析，研究了岩性油气藏的成藏机理。
The oil-gas of JZ25 hydrocarbon reservoir is from the hydrocarbon sources of the third member of Shahejie formation, Liaoxi sag.
渤海辽东湾海域JZ25油气藏油气主要来自于辽西凹陷古近系沙河街组三段烃源岩。
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