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地质科学  2011, Vol. 46 Issue (03): 787-797    DOI:
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廓回凹陷的三维精细地质结构
桂宝玲1 何登发1 闫福旺2 张文君3
1.中国地质大学教育部海相储层演化与油气富集机理重点实验室 北京 100083;2.北京潜能恒信地球物理技术有限公司 北京 100017;3.中国石油化北油田分公司勘探开发研究院 河北任丘 062552
3D fine geological structure of Langfang-Cu'an fault-sag in Bohaiwan Gulf Basin, China
Gui Baoling1 He Dengfa1 Yan Fuwang2 Zhang Wenjun3
1.Key Laboratory of Marine Facies Reservoir Evolvement and Petroleum Enrichment, Ministry of Education, CHina University of Geosciences, Beijing 100083;2.Sino Geophysical Stock Co., Ltd., Beijing 10017;3.Research Institution of Petroleum Exploration & Development Huabei Oifield Company, PetroChina, Renqiu, Hebei 062552
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摘要 本文通过三维地震资料建立了廊固凹陷的三维精细地质结构。通过重建三维地质结构,可以更为直观的显示其真实地质结构形态。对廊固凹陷三维地质结构的分析表明,认为廊固凹陷新生代以来经历多期构造活动,形成了上、中、下3个构造层:下构造层为孔店组—沙四段,为裂陷初始期沉积; 中构造层为沙三段—东营组,为强烈裂陷期沉积; 上构造层为明化镇组—馆陶组,为坳陷期沉积。每个构造层的构造变形不相同。廊固凹陷构造比较复杂,根据规模及活动强烈程度可将其分为3级: Ⅰ级为控凹断层—大兴断层; Ⅱ级为控带断层,主要有桐柏镇断层、河西务断层以及旧州断层; Ⅲ级为控藏断层包括琥珀营、王居、杨税务、刘其营、半截河等断层。根据一级、二级断层,可以将廊固凹陷分为5个构造带与一个洼槽。
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关键词廓固凹陷 古近系 大兴断层 地质结构 构造层     
Abstract: This paper has built the 3D fine geological structure which can show the real geological structure morphology directly by using 3D seismic data.After the analysis of 3D geological structure of Langgu sag,we think that Langgu sag has experience several tectonic movement after Cenozoic,so there are three structure layers:Lower structure layer is Kongdian Formationthe fourth Shahejie Formation at which time is chasmic beginning; Middle structure layer is the third Shahejie FormationDongying Formation at which time is strongly chasmic stage; Upper structure layer is Minghuazhen FormationGuangtao Formation at which time is depression stage.The structure deformation of each structure layer is different.The structure of Langgu sag is complicate,and according to the scale,we divided into three grades:Grade One is sagcontrol fault which is Daxing fault; Grade Two is zonecontrol fault including Tongbaizhen fault,Hexiwu fault and Jiuzhou faul; Grade Three is reservoircontrol fault including Hupoying fault,Wangju fault,Yangshuiwu fault,Liuqiying fault and Banjiehe fault,and so on.According to Grade One and Grade Two faults,Langgu sag can be divided into five structure zones and one lowtrough.
Key wordsLanggu sag   Paleogene   Daxing fault   Geological structure   Structure layer   
收稿日期: 2011-03-16; 出版日期: 2011-07-25
基金资助:国家重点基础研究发展计划项目(编号:2006CB202300)和国家自然科学基金重点项目(批准号:40739906)资助。
引用本文:   
. 2011, 廓回凹陷的三维精细地质结构. 地质科学, 46(03): 787-797.
. 3D fine geological structure of Langfang-Cu'an fault-sag in Bohaiwan Gulf Basin, China[J]. Chinese Journal of Geology, 2011, 46(03): 787-797.
 
没有本文参考文献
[1] 王明健1 何登发1 李文涛2 鲁人齐1 桂宝玲1. 渤海湾盆地临清坳陷东部边界断裂[J]. 地质科学, 2011, 46(03): 775-786.
 
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