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构造演化与含油气系统的形成——以准噶尔盆地东部吉木萨尔凹陷为例
石油实验地质
2007年 29卷 第2期
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Title
RELATIONSHIP BETWEEN TECTONIC EVOLUTION AND PETROLEUM SYSTEM FORMATION——TAKING THE JIMSAR SAG OF EASTERN JUNGGAR BASIN AS AN EXAMPLE
作者
方世虎
宋岩
徐怀民
范瑞东
刘楼军
许秀才
Authors
Fang Shihu
Song Yan
Xu Huaimin
Fan Ruidong
Liu Loujun
Xu Xiucai
单位
中国石油天然气股份有限公司, 石油勘探开发研究院, 北京, 100083
2. 石油大学资源与环境学院, 北京, 1022000
3. 中国石油天然气股份有限公司, 大庆油田分公司, 黑龙江, 大庆, 163000
4. 中国石油天然气股份有限公司, 新疆油田分公司, 乌鲁木齐, 834000
Organization
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
2. School of Resource and Environment Sciences, Petroleum University, Beijing 102200, China
3. Daqing Oil Field Branch Company, PetroChina, Daqing, Heilongjiang 163000, China
4. Xinjiang Oil Field Branch Company, PetroChina, Urumqi, Xinjiang 834000, China
摘要
准噶尔盆地东部自晚石炭世洋壳消减后进入陆相盆地演化阶段,是一个构造演化复杂、由多个含油气凹陷和凸起构成的构造带,其构造演化历史主要分为4个阶段,即裂谷—断陷盆地阶段、断—坳盆地阶段、陆内坳陷盆地阶段和再生前陆盆地阶段。结合盆地东部吉木萨尔凹陷复合含油气系统特征,探讨了构造演化与含油气系统形成之间的关系。研究表明,构造演化在一定程度上控制着生储盖组合的形成,影响烃源岩的演化进程,控制着含油气系统的多期生烃和多期成藏,构成含油气系统的运聚、改造和后期保存的关键时刻。
Abstract
The eastern Junggar Basin has entered the stage of continental basin evolution since the late Carboniferous.It is composed of several hydrocarbon bearing sags and uplifts with complicated tectonic evolution history,which can be divided into 4 stages:rift-faulted basin during Pemian, faulted-depression basin from Triassic to Jurassic,intra-continental depression basin from Cretaceous to Eocene,and rejuvenated foreland basin during late Cenozoic.Tectonic evolution of the Jimsar Sag has great influence on petroleum system formation in the following 3 aspeots:a) Tectonic evolution controls the formation of source rocks and source-reservoir-caprock assemblages;b) Tectonic evolution is likely to postpone the evolution processes of source rocks;c) The most important,tectonic evolution may control the multi-phase hydrocarbon generation and the multi-phase pool forming of every petroleum system,which make up of the critical moments for hydrocarbon migration,accumulation,rebuilding and preservation of composite petroleum system.
关键词：
复合含油气系统;
构造演化;
吉木萨尔凹陷;
准噶尔盆地东部;
Keywords:
composite petroleum system;
tectonic evolution;
the Jimsar Sag;
the eastern Junggar Basin;
基金项目
中国石油天然气集团公司中青年石油科技创新基金(05E7036);中国博士后科学基金(2005037101);中国石油天然气集团公司重点科技攻关项目(0601A-02-01)
DOI
https://doi.org/10.11781/sysydz200702149
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