石油与天然气地质 ›› 2009, Vol. 30 ›› Issue (4): 450-454,461.doi: 10.11743/ogg20090410

• 构造演化与油气分布 • 上一篇    下一篇

渤海海域郯庐断裂带对油气成藏的控制作用

万桂梅1,2, 周东红3, 汤良杰1,2   

  1. 1. 中国石油大学盆地与油藏研究中心, 北京, 102249;
    2. 中国石油大学油气资源与探测国家重点实验室, 北京, 102249;
    3. 中海石油(中国)有限公司, 天津分公司, 天津, 300452
  • 收稿日期:2009-05-05 出版日期:2009-08-25 发布日期:2012-01-16
  • 基金资助:

    中海石油(中国)有限公司项目(SC06TJ-TQL-004).

Control of the Tan-Lu fault zone on hydrocarbon accumulation in the Bohai Sea waters

Wang Guimei1,2, Zhou Donghong3, Tang Liangjie1,2   

  1. 1. Research Center for Basin and Reservoir, China University of Petroleum, Beijing 102249, China;
    2. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China;
    3. CNOOC Tianjin Company, Tianjin 300452, China
  • Received:2009-05-05 Online:2009-08-25 Published:2012-01-16

摘要:

在渤海海域,靠近郯庐断裂带的渤南和辽东湾探区的油气较富集,而远离郯庐断裂带的渤西探区油气相对较贫,油气藏主要围绕郯庐断裂带分布,这些都说明了郯庐断裂带附近具有很大的油气勘探潜力.平衡剖面分析表明,郯庐断裂带在渤海海域主要表现为古近纪伸展、新近纪走滑的构造特征,古近纪伸展活动控制了生烃凹陷的形成,并促进烃源岩的快速演化;新近纪的强烈走滑作用形成了大量的构造圈闭,并促进了油气的运移及晚期成藏.渤海海域的油气资源勘探前景乐观,只是现今的探明程度较低.

关键词: 构造演化, 油气成藏, 郯庐断裂带, 渤海海域

Abstract:

In the Bohai Sea waters,near the Tan-Lu fault zone,the Bonan and Liaodong Bay exploration areas have great potential for hydrocarbons.While apart from the Tan-Lu fault zone,the Boxi exploration area has less oil and gas.In addition,the existing discoveries are all distributed surrounding the Tan-Lu fault zone.From the above-mentioned facts,we can conclude that,near the Tan-Lu fault zone,there is a great potential for hydrocarbon exploration.Balanced-cross sections show that the Tan-Lu fault zone of the Bohai Sea area shows tectonic features of extension in the Paleogene and strike-slip in the Neogene.The Paleogene extensional activities controlled the development of hydrocarbon kitchens and promoted the fast maturation of source rocks.Later,the Neo-gene strike-slip activities shaped many structural traps and helped the hydrocarbon migration and late accumulation.The Bohai Sea waters show great potential for hydrocarbon exploration,while to date,only a small amount of the total resources have been proved.

Key words: tectonic evolution, hydrocarbon accumulation, Tan-Lu fault zone, Bohai Sea waters

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