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天然气地球科学

• 天然气地质学 • 上一篇    下一篇

东营凹陷古近系红层油气来源及勘探潜力分析

王茹，李江海，徐兴友，王秀红，李钜源，刘庆   

  1. 1.北京大学地球与空间科学学院石油与天然气研究中心，北京100871; 2.中国石化胜利油田分公司地质科学研究院，山东 东营 257015
  • 收稿日期:2012-02-10 修回日期:2012-08-06 出版日期:2012-12-10 发布日期:2012-12-10
  • 通讯作者: 王茹470540963@qq.com. E-mail:470540963@qq.com.
  • 作者简介:王茹（1974-），女，山东菏泽人，高级工程师，在读硕士，主要从事油气地球化学与石油地质综合研究. E-mail:470540963@qq.com.
  • 基金资助:

    国家自然科学基金项目“湖相页岩气形成条件研究”（编号:41072096）资助.

Origins and Exploration Potential of the Hydrocarbonsfrom the Paleogene Red Rocks in the Dongying Sag

WANG Ru，LI Jiang-hai，XU Xing-you，WANG Xiu-hong，LI Ju-yuan，LIU Qing   

  1. 1.The Oil and Gas Research Center,School of Earth and Space Sciences,Peking University,Beijing 100871,China; 2.Geoscience Research Institute of Shengli Oilfield Company，SINOPEC，Dongying 257015,China
  • Received:2012-02-10 Revised:2012-08-06 Online:2012-12-10 Published:2012-12-10

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摘要：

利用沉积学和地球化学相结合的研究方法，分析了东营凹陷古近系Es下4、Es上4和Es下3   3套烃源岩基本特征及其分布规律。在此基础上进一步研究了红层中已发现原油的物理性质、族组分和生物标志化合物特征，并对红层原油类型进行了划分，通过油源对比，明确了每类原油的来源。研究表明，红层原油的主力油源层不仅仅只有Es上4和Es下3  2套烃源岩，以往认识较为薄弱的Es下4烃源岩也做出了较大贡献。综合分析认为，东营凹陷古近系红层具有较大的勘探潜力，为近期增储上产的主要领域.

关键词: 东营凹陷, 古近系红层, 油气来源, 勘探潜力

Abstract:

Through the combination of sedimentological and geochemical analyses, characteristics and distribution rules of the Paleogene source rocks of Lower Es4,Upper Es4 and Lower Es3 Members are analyzed in this paper.Then the physical properties,group compositions and biomarker features of the discovered oils in red rocks are further studied.The oils in the red rocks can be divided into different types.On the basis of oil-source correlation,the origins of the oils are determined.The results show that not only Upper Es4 and Lower Es3 Members,but Lower Es4 Member which was poorly understood in the past make great contributions to oil formation in red rocks.It can be concluded that Paleogene red rocks in the Dongying sag have great exploration potential.They will be the major areas for reserve and production increase in the near future.

Key words: Dongying sag, Paleogene red rocks, Hydrocarbon origins, Exploration potential

中图分类号: 

  • TE122.1

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