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天然气地球科学

• 天然气地质学 • 上一篇    下一篇

阿尔及利亚Cheliff盆地构造演化规律与油气勘探方向探讨

蔡嵩,夏斌,万志峰，王利红   

  1. 1.中国科学院广州地球化学研究所，广东 广州 510640;
    2.中国科学院大学，北京  100049;3.中山大学海洋学院，广东 广州 510275
  • 收稿日期:2013-08-17 修回日期:2013-12-17 出版日期:2014-04-10 发布日期:2014-04-10
  • 通讯作者: 蔡嵩46506990@ qq.com E-mail:46506990@ qq.com
  • 作者简介:蔡嵩(1986-),男,广东揭西人，博士研究生,主要从事构造地质与石油地质研究. E-mail:46506990@ qq.com.
  • 基金资助:

    国家自然科学基金(编号:41102077);中国科学院知识创新工程重要方向项目(编号: KZCX2-YW-203-2)联合资助.

Study on Tectonic Evolution and Target Areas forHydrocarbon Exploration in Cheliff Basin,Algeria

CAI Song，XIA Bin，WAN Zhi-feng，WANG Li-hong   

  1. 1.Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China; 2.University of Chinese Academy of Sciences,Beijing 100049,China; 3.Marine college of Sun Yat-Sen University,Guangzhou 510275,China
  • Received:2013-08-17 Revised:2013-12-17 Online:2014-04-10 Published:2014-04-10

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353

摘要：

西北非拥有丰富的油气资源，是世界油气勘探的热点地区之一，也是我国石油公司海外油气勘探的重要地区。Cheliff(谢里夫)盆地是位于阿尔及利亚北部泰勒构造带的一个复杂的中新生带含油气盆地，由于Cheliff盆地经历了多期次造山运动的改造和复合叠加作用，构造演化规律不明确，使其成为油气勘探难点。以构造地质学和成盆动力学理论为指导，通过综合利用重磁、地震和遥感、卫星资料的综合解释，认为Cheliff盆地中生代时为被动大陆边缘裂陷环境，新生代时强烈挤压反转，为中新生代叠合盆地。并应用了含油气系统的理论和研究方法，结合地震解释结果，进行有利区带评价和勘探目标优选，指出盆地内的东部坳陷及其周边的构造带(中央低隆带、Tliouanet隆起带、Mostanem隆起带、Ain Zeft台阶带)将是有利油气勘探区带。

关键词: Cheliff盆地, 构造演化, 油气勘探, 阿尔及利亚

Abstract:

Northwest Africa with abundant oil and gas resources,is a hotspot of hydrocarbon exploration for worldwide oil companies,including Chinese ones.Cheliff Basin is just located in the Taylor tectonic belt of the northern Algeria as a Mesozoic petroliferous basin.Because of the multi-episodic orogeny and overprint of complex geological processes in this area,the tectonic evolution of Cheliff Basin is still unclear,which has become a major obstacle to further oil and gas exploration.Based on the tectonic geology and basin dynamics theory,as well as  integrated interpretation of gravity-magnetic date,seismic data and remote sensing images,it is proposed that the Cheliff Basin is a superimposed basin after undergoing the continental margin rifting in Mesozoic and intense compressional inverse in Cenozoic.By applying the theory and methodology of petroleum system,and the seismic interpretation,the favorable zones and exploration targets are evaluated,and the eastern depression and its adjacent tectonic belts (e.g.central low uplift,Tliouanet uplift,Mostanem uplift and Ain Zeft step zone) are pointed out to be the possible target areas for oil and gas exploration.

Key words: Cheliff Basin, Tectonic evolution, Oil and gas exploration, Algeria

中图分类号: 

  • TE122

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