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Sequence stratigraphy and hydroearbon accumulation conditions of the third segment of Shahejie formation in Dawangzhuang area, Raoyang sag
Author(s): 
Pages: 4-7
Year: Issue:  5
Journal: PETROLEUM GEOLOGY AND ENGINEERING

Keyword:  饶阳凹陷大王庄地区沙三段层序地层成藏条件;
Abstract: 运用以地层基准面原理为基础的层序地层学理论和分析方法,综合研究钻井、测井和三维地震资料,在饶阳凹陷大王庄地区古近系沙三段至沙二段下亚段中识别出4个层序界面,将其划分为1个三级层序LSC1和3个四级层序MSC1、MSC2和MSC3.在等时地层格架内,系统分析了沙三段烃源岩、储集层、盖层、圈闭条件、运移条件和保存条件及其时空配置关系,并指出在平面上位于Lg1井以西、L494井以南及L110井以北区域为有利勘探区域,有利储集砂体位于MSC2和MSC3旋回发育的辫状河三角洲前缘分流水道砂和席状砂以及MSC3旋回发育的滨浅湖碳酸盐岩滩坝砂.
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