塔南凹陷下白垩统南屯组砂体展布特征及分散机制
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摘要
通过对研究区下白垩统南屯组沉积时期重矿物组合、砂岩组合和地震反射特征资料的综合研究,确定了沉积物的物源方向和砂体展布特征。研究发现同生断裂组合对砂体起到了分散及阻挡的作用,根据同生断裂的组合以及与砂体的制约关系,划分出掀斜型阶梯状、未掀斜型阶梯状和极性3种类型的控砂断裂组合。并根据物源特征和砂体展布特征,将控砂断裂组合分为"横向砂体"和"纵向砂体"2种砂体展布类型;综合各类断裂组合对砂体的控制作用,总结出"诱导型"和"遏制型"两种控砂机制模式。本次研究对在断陷湖盆开展构造对沉积控制作用及分散机制研究提供一个实例。
The source direction and sand distribution characteristics of Nantun Formation are concluded by heavy mineral analysis,isopach maps of sandstone and seismic reflection in Tanan depression.The study result shows that the fault system played a role in scattering and blocking of the sediments.According to the relationship between the fault assemble and sandstone distribution characteristics,the fault assemble can be divided into three types,"tilting ladder type","non-tilting ladder type",and "polar type".Based on the source and sand distribution characteristics,the fault assemble can be divided into "horizontal sand type"and "vertical sand type".To integrate the faultassemble control effect on sand distribution,the two models of sand control mechanism can be concluded,"induced model"and "contained model".This study provides a typical example for the research on the structurally controlled deposition and sand disperse machanism in a rift basin.
The source direction and sand distribution characteristics of Nantun Formation are concluded by heavy mineral analysis,isopach maps of sandstone and seismic reflection in Tanan depression.The study result shows that the fault system played a role in scattering and blocking of the sediments.According to the relationship between the fault assemble and sandstone distribution characteristics,the fault assemble can be divided into three types,"tilting ladder type","non-tilting ladder type",and "polar type".Based on the source and sand distribution characteristics,the fault assemble can be divided into "horizontal sand type"and "vertical sand type".To integrate the faultassemble control effect on sand distribution,the two models of sand control mechanism can be concluded,"induced model"and "contained model".This study provides a typical example for the research on the structurally controlled deposition and sand disperse machanism in a rift basin.
引文
[1]林畅松,潘元林,肖建新,等.“构造坡折带”:断陷盆地层序分析和油气预测的重要概念[J].地球科学:中国地质大学学报,2000,23(3):260-265.Lin Changsong,Pan Yuanlin,Xiao Jianxin,et al.Structural Slope-Break Zone:Key Concept for Stratigraphic Sequence Analysis and Petroleum Forecasting in Fault Subsidence Basins[J].Earth Science:Journal of China University of Geosciences,2000,23(3):260-265.
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[7]郭涛,辛仁臣,刘豪,等.同沉积断裂构造对沉积相展布的控制:以黄河口凹陷沙三中亚段沉积相研究为例[J].沉积与特提斯地质,2008,28(1):14-19.Guo Tao,Xin Renchen,Liu Hao,et al.Syndepositional Fault Controls on the Distribution of Sedimentary Facies:An Example from the Sedimentary Facies in the Middle Submember of the Third Member of the Shahejie Formation in the Huanghekou Depression,Shandong[J].Sedimentary Geology and Tethyan Geology,2008,28(1):14-19.
[8]曹瑞成,朱德丰,陈均亮,等.海拉尔—塔木察格盆地构造演化特征[J].大庆石油地质与开发,2009,28(5):39-43.Cao Ruicheng,Zhu Defeng,Chen Jun1iang,et al.Structural Evolution Features of Hailaer-Tamtsag Basin[J].Petroleum Geology and Oilfield Development in Daqing,2009,28(5):39-43.
[9]纪友亮,曹瑞成,蒙启安,等.塔木察格盆地塔南凹陷下白垩统层序结构特征及控制因素分析[J].地质学报,2009,83(6):827-835.Ji Youliang,Cao Ruicheng,Meng Qi’an,et al.Analysis of Sequence Structre and Its Controlling Factors in Lower Cretaceous in Tanan Depression,Tamuchage Bain[J].Acta Geologica Sinica,2009,83(6):827-835.
[10]蒙启安,纪友亮.塔南凹陷白垩纪古地貌对沉积体系分布的控制作用[J].石油学报,2009,30(6):843-855.Meng Qi’an,Ji YouLiang.Controlling of Paleo Geomorphology to Distribution of Sedimentary System in the Cretaceous of Tanan Depression[J].Acta Petrolei Sinica,2009,30(6):843-855.
[11]王玉华,蒙启安,张革,等.塔南凹陷油气成藏条件与富集规律[J].大庆石油地质与开发,2009,28(5):13-17.Wang Yuhua,Meng Qi’an,Zhang Ge,et al.Hydrocarbon Accumulation Conditions and Enrichment Rule in Tanan Sag[J].Petroleum Geology and Oilfield Development in Daqing,2009,28(5):13-17.
[12]刘招君,张迪,贾建亮,等.蒙古国塔南凹陷南屯组水下扇的沉积演化特征[J].吉林大学学报:地球科学版,2012,42(增刊1):1-7.Liu Zhaojun,Zhang Di,Jia Jianliang,et al.Characteristics of Sedimentary Volvement of Subaqueous Fan in Nantun Formation of Tanan Depression from Mongolia[J].Journal of Jilin University:Earth Science Edition,2012,42(Sup.1):1-7.
[13]苗长盛,刘招君,方石,等.塔南凹陷南屯组近岸水下扇沉积特征及有利含油相带分析[J]中国石油大学学报:自然科学版,2011,35(1):34-39.Miao Changsheng,Liu Zhaojun,Fang Shi,et al.Sedimentary Characteristics and Favorable OilBearing Facies Belts Analysis of Near-Shore Subaqueous Fan of Nantun Formation in Tanan Depression[J].Journal of China University of Petroleum:Edition of Natural Sciences,2011,35(1):34-39.
[14]韩娇艳.塔南凹陷大磨拐河—南屯组地震反射终止特征及地质意义[D].长春:吉林大学,2009.Han Jiaoyan.Characteristics and Their Geological Significance of Seismic Reflection Termination from Damoguaihe Formation and Nantun Formation in Tanan Depression[D].Changchun:Jilin University,2009.
[15]赵红格,刘池洋.物源分析方法及研究进展[J].沉积学报,2003,21(3):409-415.Zhao Hongge,Liu Chiyang.Approaches and Prospects of Provenance Analysis[J].Acta Sedimentologcia Sincia,2003,21(3):409-415.
[16]王建鹏,刘招君,苗长盛,等.蒙古塔木察格盆地塔南凹陷下白垩统南屯组三角洲沉积及储层特征[J].世界地质,2011,30(3):415-421.Wang Jianpeng,Liu Zhaojun,Miao Changsheng,et al.Sedimentary and Reservoir Characteristics of Delta in Early Cretaceous Nantun Formation in Tanan Sag of Tamtsag Basin in Mongolia[J].Global Geology,2011,30(3):415-421.
[17]孙晓娟.塔南凹陷南屯组水下扇沉积特征及其在层序格架中的展布[D].长春:吉林大学,2010.Sun Xiaojuan.Sedimentray Characteristics and Distritubion Features in Sequence Stratigraphic Framework of Subaquese Fans in Nantun Formation,Tanan Depression[D].Changchun:Jilin University,2010.
[18]苗长盛,刘招君,方石,等.蒙古国塔南凹陷南屯组深凹槽远岸重力流沉积特征[J].地球科学:中国地质大学学报,2012,37(4):771-778.Miao Changsheng,Liu Zhaojun,Fang Shi,et al.Characteristics of the Steep-Slope Offshore Subaqueous Fan of Nantun Formation in Tanan Sag in Mongolia[J].Earth Science:Journal of China University of Geoscience,2012,37(4):771-778.
[2]解习农,任建业,焦养泉,等.断陷盆地的构造作用及层序样式[J].地质论评,1996,42(3):239-244.Xie Xinong,Ren Jianye,Jiao Yangquan,et al.Tectonism and Sequence Patterns of Down-Faulted Basins[J].Geology Review,1996,42(3):239-244.
[3]Steven L,Goodbred Jr,Steven A,et al.Controls on Faeies Distribution and Stratigraphic Preservation in the Ganges-Brahmaputra Delta Sequence[J].Sedimentary Geology,2003,155:301-316.
[4]Jon Booler,Mauriee E,Tueker.Distribution and Geometry of Faeies and Early Diagenesis:The Key to Accommodation Space Variation and Sequence Stratigraphy:Upper Cretaeeous Congost Carbonate Platform,Spanish Pyrenees[J].Sedimentary Geology,2002,146:225-247.
[5]程日辉,林畅松,崔宝琛.沉积型式与构造控制研究进展[J].地质科技情报,2000,19(1):11-15.Cheng Rihui,Lin Changsong,Cui Baochen.Advances in the Study of the Styles of Sedimentation and the Tectonic Controls[J].Geo-logical Science and Technology Information,2000,19(1):11-15.
[6]陈莹.歧口凹陷古近系层序地层及构造对沉积的控制研究[D].北京:中国地质大学,2006.Chen Ying.Sequence Stratigraphy and Tectonic Control on Depression,Bohai Bay Basin[D].Beijing:China University of Geosciences,2006.
[7]郭涛,辛仁臣,刘豪,等.同沉积断裂构造对沉积相展布的控制:以黄河口凹陷沙三中亚段沉积相研究为例[J].沉积与特提斯地质,2008,28(1):14-19.Guo Tao,Xin Renchen,Liu Hao,et al.Syndepositional Fault Controls on the Distribution of Sedimentary Facies:An Example from the Sedimentary Facies in the Middle Submember of the Third Member of the Shahejie Formation in the Huanghekou Depression,Shandong[J].Sedimentary Geology and Tethyan Geology,2008,28(1):14-19.
[8]曹瑞成,朱德丰,陈均亮,等.海拉尔—塔木察格盆地构造演化特征[J].大庆石油地质与开发,2009,28(5):39-43.Cao Ruicheng,Zhu Defeng,Chen Jun1iang,et al.Structural Evolution Features of Hailaer-Tamtsag Basin[J].Petroleum Geology and Oilfield Development in Daqing,2009,28(5):39-43.
[9]纪友亮,曹瑞成,蒙启安,等.塔木察格盆地塔南凹陷下白垩统层序结构特征及控制因素分析[J].地质学报,2009,83(6):827-835.Ji Youliang,Cao Ruicheng,Meng Qi’an,et al.Analysis of Sequence Structre and Its Controlling Factors in Lower Cretaceous in Tanan Depression,Tamuchage Bain[J].Acta Geologica Sinica,2009,83(6):827-835.
[10]蒙启安,纪友亮.塔南凹陷白垩纪古地貌对沉积体系分布的控制作用[J].石油学报,2009,30(6):843-855.Meng Qi’an,Ji YouLiang.Controlling of Paleo Geomorphology to Distribution of Sedimentary System in the Cretaceous of Tanan Depression[J].Acta Petrolei Sinica,2009,30(6):843-855.
[11]王玉华,蒙启安,张革,等.塔南凹陷油气成藏条件与富集规律[J].大庆石油地质与开发,2009,28(5):13-17.Wang Yuhua,Meng Qi’an,Zhang Ge,et al.Hydrocarbon Accumulation Conditions and Enrichment Rule in Tanan Sag[J].Petroleum Geology and Oilfield Development in Daqing,2009,28(5):13-17.
[12]刘招君,张迪,贾建亮,等.蒙古国塔南凹陷南屯组水下扇的沉积演化特征[J].吉林大学学报:地球科学版,2012,42(增刊1):1-7.Liu Zhaojun,Zhang Di,Jia Jianliang,et al.Characteristics of Sedimentary Volvement of Subaqueous Fan in Nantun Formation of Tanan Depression from Mongolia[J].Journal of Jilin University:Earth Science Edition,2012,42(Sup.1):1-7.
[13]苗长盛,刘招君,方石,等.塔南凹陷南屯组近岸水下扇沉积特征及有利含油相带分析[J]中国石油大学学报:自然科学版,2011,35(1):34-39.Miao Changsheng,Liu Zhaojun,Fang Shi,et al.Sedimentary Characteristics and Favorable OilBearing Facies Belts Analysis of Near-Shore Subaqueous Fan of Nantun Formation in Tanan Depression[J].Journal of China University of Petroleum:Edition of Natural Sciences,2011,35(1):34-39.
[14]韩娇艳.塔南凹陷大磨拐河—南屯组地震反射终止特征及地质意义[D].长春:吉林大学,2009.Han Jiaoyan.Characteristics and Their Geological Significance of Seismic Reflection Termination from Damoguaihe Formation and Nantun Formation in Tanan Depression[D].Changchun:Jilin University,2009.
[15]赵红格,刘池洋.物源分析方法及研究进展[J].沉积学报,2003,21(3):409-415.Zhao Hongge,Liu Chiyang.Approaches and Prospects of Provenance Analysis[J].Acta Sedimentologcia Sincia,2003,21(3):409-415.
[16]王建鹏,刘招君,苗长盛,等.蒙古塔木察格盆地塔南凹陷下白垩统南屯组三角洲沉积及储层特征[J].世界地质,2011,30(3):415-421.Wang Jianpeng,Liu Zhaojun,Miao Changsheng,et al.Sedimentary and Reservoir Characteristics of Delta in Early Cretaceous Nantun Formation in Tanan Sag of Tamtsag Basin in Mongolia[J].Global Geology,2011,30(3):415-421.
[17]孙晓娟.塔南凹陷南屯组水下扇沉积特征及其在层序格架中的展布[D].长春:吉林大学,2010.Sun Xiaojuan.Sedimentray Characteristics and Distritubion Features in Sequence Stratigraphic Framework of Subaquese Fans in Nantun Formation,Tanan Depression[D].Changchun:Jilin University,2010.
[18]苗长盛,刘招君,方石,等.蒙古国塔南凹陷南屯组深凹槽远岸重力流沉积特征[J].地球科学:中国地质大学学报,2012,37(4):771-778.Miao Changsheng,Liu Zhaojun,Fang Shi,et al.Characteristics of the Steep-Slope Offshore Subaqueous Fan of Nantun Formation in Tanan Sag in Mongolia[J].Earth Science:Journal of China University of Geoscience,2012,37(4):771-778.
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