山东东营凹陷八面河地区孔店组油气成藏条件研究

现代地质 ›› 2005, Vol. 19 ›› Issue (Suppl): 223-227.

山东东营凹陷八面河地区孔店组油气成藏条件研究

徐义卫^1,2 , 杨伟利¹, 姜在兴³ , 夏斌¹ ,李雪²

1中国科学院广州地球化学研究所，广东广州510640；
2江汉油田清河采油厂，山东寿光262714；
3中国地质大学能源学院，北京100083

收稿日期:2004-10-15 修回日期:2004-10-20 出版日期:2005-03-20 发布日期:2013-04-08
作者简介:徐义卫，男，教授级高工, 博士研究生,1962年出生，石油地质学专业，主要从事油田开发的研究及管理工作。

THE RESEARCH ON THE OIL-POOL FORMING OF THE KONGDIAN FORMATION IN THE BAMIANHE AREA

XU Yi-wei^1,2,YANG Wei-li¹,JIANG Zai-xing³,XIA Bin¹ ,LI Xue²

1Guangzhou Institute of Geochemistry，Chinese Academy of Sciences, Guangzhou， Guangdong510640,China;
2Jianghan Oilfield Branch Company，SINOPEC, Shouguang，Shandong262714,China;
3China University of Geosciences, Beijing100083,China

Received:2004-10-15 Revised:2004-10-20 Online:2005-03-20 Published:2013-04-08

摘要/Abstract

摘要：

孔店组沉积时期东营凹陷处于裂陷初期，可容空间在盆地不同地区具有不同的变化特征，牛庄－六户地区的可容空间增加。同期，八面河地区的可容空间减小，可容空间减小决定了该地区的地层发育特征：砂体发育，缺少烃源岩；形成的圈闭主要为构造、构造—岩性和地层圈闭。该地区主要发育冲积扇—河流—泛滥平原相，砂体以粉砂为主，西南部具有砂砾岩，对比相似背景的邻区，砂体具有较好的物性特征。北部邻区的王46钻遇孔二段暗色泥岩，分析认为具有一定的生烃能力，并与沙四段烃源岩共同构成了八面河地区孔店组油藏的油源。非常发育的断层和孔店组上下的不整合面为油气的运移提供了立体通道，在八面河地区形成了构造、构造—岩性、不整合面遮挡和地层超覆等油气藏类型。

关键词: 孔店组, 成藏条件, 可容空间, 八面河

Abstract:

During the depositional stage of the Kongdian Formation of Eogene (Ek), Dongying depression was on the early rifting stage The change of the accommodation differed with areas. The accommodation in the Niuzhuang-Liuhu area became larger, and at the same time, the accommodation in Bamianhe area became less. The decreasing of the accommodation controlled that the sandbodies were well-developed, the oil-generated source rock was lack and the traps were structural trap, litho-structural trap and strata trap in the Bamianhe area. The deposition system of alluvial fan-fluvial-flooding plain taked up the filling of the first member of Kongdian Formation (Ek₁) in the Bamianhe area, and the sandbodies mainly consisted of siltsand. It was conformed by the dark mudstone in well Wang46 that the second member of Kongdian Formation (Ek₂) had the ability of oil generating, so besides of the fourth member of Shahejie Formation oil-generated source rock, Ek₂ was another source rock. The welldeveloped faults and the unconformities could be the accesses of oil migrating. Under the acting of all kinds of factors, the oil traps were formed and the the oil traps consisted of structural oil traps, structural-lithological oil traps and sub-crop oil traps.

Key words: Kongdian Formation, oil-pool forming condition, accommodation, the Bamianhe area

中图分类号:

TE122

徐义卫 , 杨伟利 , 姜在兴 , 夏斌 ,李雪. 山东东营凹陷八面河地区孔店组油气成藏条件研究[J]. 现代地质, 2005, 19(Suppl): 223-227.

XU Yi-wei,YANG Wei-li,JIANG Zai-xing,XIA Bin,LI Xue. THE RESEARCH ON THE OIL-POOL FORMING OF THE KONGDIAN FORMATION IN THE BAMIANHE AREA[J]. Geoscience, 2005, 19(Suppl): 223-227.

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