伊通地堑岔路河断陷南段构造-沉积特征与油气藏类型
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摘要
伊通地堑岔路河断陷南段,在地堑西北缘断层及二号断层(F2)的制约下,主要分为梁家构造带和新安堡凹陷两个二级构造单元。根据三维地震资料进行系统的构造解析认为,该区可划分为滚动背斜带、断块隆起带和走滑断陷带三个构造带。该区沉积相类型及其展布规律主要受控于东南缘断层、西北缘断层及F2断层的构造活动。受不同的构造-沉积特征制约,形成西北缘边界断层下的断层-岩性油气藏、中央隆起带断块式油气藏、F2断层控制的构造-岩性复合油气藏。
The southern part of Chaluhe fault depression of Yitong Graben,controlled by faults in northwestern graben and fault 2,can be divided into two structural units: Liangjia structural zone and Xin' anpu depression.On the basis of systematically structural interpretation of 3D seismic data,the area can be further divided into three structural zones: rolling anticline zone,block fault uplift zone and strike slip fault depression zone.The types and distribution of sedimentary facies in the area are main controlled by tectonic activities of southeastern fault,northwestern fault and the fault 2.According to the different structural and sedimentary features,there exist three types of hydrocarbon reservoirs: fault-lithology hydrocarbon reservoir in northwestern border fault,fault-block hydrocarbon reservoir in central uplift belt and structure-lithology composite hydrocarbon reservoir controlled by the fault 2.
The southern part of Chaluhe fault depression of Yitong Graben,controlled by faults in northwestern graben and fault 2,can be divided into two structural units: Liangjia structural zone and Xin' anpu depression.On the basis of systematically structural interpretation of 3D seismic data,the area can be further divided into three structural zones: rolling anticline zone,block fault uplift zone and strike slip fault depression zone.The types and distribution of sedimentary facies in the area are main controlled by tectonic activities of southeastern fault,northwestern fault and the fault 2.According to the different structural and sedimentary features,there exist three types of hydrocarbon reservoirs: fault-lithology hydrocarbon reservoir in northwestern border fault,fault-block hydrocarbon reservoir in central uplift belt and structure-lithology composite hydrocarbon reservoir controlled by the fault 2.
引文
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[7]刘招君.湖泊水下扇沉积特征及影响因素—以伊通盆地莫里青断陷双阳组为例[J].沉积学报,2003,21(1):148-154.LIU Zhao-jun.Acus subaqueous fan sedimentary charac-teristics and influence factors-a case study of ShuangyangFormation in Moliqing fault subsidence of Yitong Basin[J].Acta Sedimentologica Sinica,2003,21(1):148-154.
[8]李本才,刘鸿友,杜怀旭,等.伊通盆地含油气系统与油气藏[J].中国石油勘探,2003,8(3):38-44.LI Ben-cai,LIU Hong-you,DU Huai-xu,et al.Thepetroleum system and accumulation in Yitong Basin[J].China Petroleum Exploration,2003,8(3):38-44.
[9]黄志龙,高岗.莫里青断陷天然气成因与运聚模式[J].天然气地球科学,2005,16(3):274-277.HUANG Zhi-long,GAO Gang.The natural gas originand the model of oil-gas migration-accumulation inMoliqing Rift[J].Natural Gas Geoscience,2005,16(3):274-277.
[2]周恒涛,杜怀旭,闫丽萍,等.伊通盆地岔路河断陷始新统岩性圈闭研究[J].世界地质,2006,25(4):396-400.ZHOU Heng-tao,DU Huai-xu,YAN Li-ping,et al.Study of Eocene lithologic traps in Chaluhe fault depres-sion of Yitong Basin[J].Global Geology,2006,25(4):396-400.
[3]刘耀宗,张惠.伊通地堑层序构成及层序地层格架样式[J].现代地质,1994,8(3):246-253.LIU Yao-zong,ZHANG Hui.Constitution of sequenceand pattern of sequence stratigraphic framework in YitongGraben[J].Geoscience,1994,8(3):246-253.
[4]李献甫,陈全茂,张学海,等.伊通地堑—走滑断陷盆地的构造特征及演化[J].石油实验地质,2002,24(1):19-24.LI Xian-fu,CHEN Quan-mao,ZHANG Xue-hai,et al.The Yitong Graben-the structural features and evolutionof a strike-slip fault basin[J].Petroleum Geology&Experiment,2002,24(1):19-24.
[5]童亨茂.伊通地堑边界断裂的性质与演化[J].地质力学学报,2002,8(1):35-42.TONG Heng-mao.The property and evolution of bound-ary faults of Yitong Graben[J].Journal of Geomechan-ics,2002,8(1):35-42.
[6]李洪革,李本才,韩龙,等.伊通地堑F2断层几何学特征及其与油气关系[J].石油地球物理勘探,2004,39(5):614-617.LI Hong-ge,LI Ben-cai,HAN Long,et al.Geometricfeature of No.2 fault Yitong graben and its relation tooil-gas[J].Oil Geophysical Prospecting,2004,39(5):614-617.
[7]刘招君.湖泊水下扇沉积特征及影响因素—以伊通盆地莫里青断陷双阳组为例[J].沉积学报,2003,21(1):148-154.LIU Zhao-jun.Acus subaqueous fan sedimentary charac-teristics and influence factors-a case study of ShuangyangFormation in Moliqing fault subsidence of Yitong Basin[J].Acta Sedimentologica Sinica,2003,21(1):148-154.
[8]李本才,刘鸿友,杜怀旭,等.伊通盆地含油气系统与油气藏[J].中国石油勘探,2003,8(3):38-44.LI Ben-cai,LIU Hong-you,DU Huai-xu,et al.Thepetroleum system and accumulation in Yitong Basin[J].China Petroleum Exploration,2003,8(3):38-44.
[9]黄志龙,高岗.莫里青断陷天然气成因与运聚模式[J].天然气地球科学,2005,16(3):274-277.HUANG Zhi-long,GAO Gang.The natural gas originand the model of oil-gas migration-accumulation inMoliqing Rift[J].Natural Gas Geoscience,2005,16(3):274-277.
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