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孔南地区沙河街组浅凹陷勘探潜力分析

wf(2016)

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Abstract
孔南沙河街组沉积时期发育的沧东、南皮、盐山、吴桥四个凹陷。综合分析认为,孔南沙河街组湖相泥岩、页岩具备形成低熟油气的能力。沧东凹陷主凹区发育的砂岩岩性圈闭具备形成自生自储型低熟油气藏的条件。南缘背斜区发育沙一段下部生物灰岩、沙三段生物灰岩、泥灰岩等储集类型,试油发现出油气点,证实背斜圈闭有利。
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