OALib Journal期刊
ISSN: 2333-9721
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歧口凹陷斜坡区油气运聚特征及岩性油气藏分布模式
Keywords: 歧口凹陷,地层岩性油气藏,斜坡区,烃源岩
Abstract:
?通过对黄骅坳陷歧口凹陷勘探现状的分析,明确了该凹陷斜坡区地层岩性油气藏是下一步攻关的主要对象。根据斜坡的位置、形成特点和展布特征,将歧口凹陷斜坡进一步划分为盆缘断控陡坡、坡折型缓坡、断阶型缓坡和凹陷中断裂斜坡。在歧口凹陷成藏模式分析的基础上,根据对所划分的4类斜坡的特点展开控砂模式、疏导体系及烃源岩演化程度等的分析,分别总结了4类斜坡区地层岩性油气藏的分布模式,并结合勘探实践进行了验证,指出了歧口凹陷斜坡区地层岩性油气藏的勘探前景。
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