川东北地区飞仙关组层序地层特征及演化模式
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摘要
在对川东北地区飞仙关组沉积构造背景认识的基础上,采用野外露头、岩心、测井及地震剖面等多种分析手段,通过对层序界面、相序、叠置结构、测井曲线及地震层序等标志的综合识别分析,将川东北地区飞仙关组划分为2个三级层序,认识到它们都发育有低位体系域、海侵体系域和高位体系域。进一步,通过层序地层格架剖面的建立,运用层序地层原理,在对层序地层控制因素分析的基础上,建立了川东北地区飞仙关组层序地层演化模式,从层序演化的角度上探讨了滩体的发育分布规律,对于下一步的油气勘探具有重要指导意义。
Based on the knowledge of the sedimentary and tectonic settings in the northeast of the Sichuan basin,using the different methods,such as: outcrop,core,well-logging and seismic,and so on,with the careful analysis of the sequence surfaces,facies section,the stacking pattern,well-logging curves and seismic sequence stratigraphy,and so on,there are 2 third-order sequences distinguished in the Feixianguan Formation in the northeast of the Sichuan basin,both of which include the LST,TST and HST.Furthermore,using the theory of the sequence stratigraphy,by establishing the framework of the sequence stratigraphy of the Feixianguan Formation in the northeast of the Sichuan basin,based on the analysis of the control factors of the sequence stratigraphy,the evolution model of the sequence stratigraphy of the Feixianguan Formation is established in the northeast of the Sichuan basin.Furthermore,the distribution of the shoal is discussed in the framework of the sequence evolution;it is important to the further exploration of the hydrocarbon in the northeast of the Sichuan basin.
Based on the knowledge of the sedimentary and tectonic settings in the northeast of the Sichuan basin,using the different methods,such as: outcrop,core,well-logging and seismic,and so on,with the careful analysis of the sequence surfaces,facies section,the stacking pattern,well-logging curves and seismic sequence stratigraphy,and so on,there are 2 third-order sequences distinguished in the Feixianguan Formation in the northeast of the Sichuan basin,both of which include the LST,TST and HST.Furthermore,using the theory of the sequence stratigraphy,by establishing the framework of the sequence stratigraphy of the Feixianguan Formation in the northeast of the Sichuan basin,based on the analysis of the control factors of the sequence stratigraphy,the evolution model of the sequence stratigraphy of the Feixianguan Formation is established in the northeast of the Sichuan basin.Furthermore,the distribution of the shoal is discussed in the framework of the sequence evolution;it is important to the further exploration of the hydrocarbon in the northeast of the Sichuan basin.
引文
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11乔占峰,李国蓉,李弢,等.泸州古隆起地区嘉陵江组层序特征及其对碳酸盐岩储层的控制[J].沉积学报,2008,26(1):92-99[Qiao Zhanfeng,Li Guorong,Li Tao,et al.Sequence stratigraphicfeatures and their controls on carbonate reservoirs for the TriassicJialingjiang Formation of the Luzhou Paleohigh in Sichuan Basin[J].Acta Sedimentologica Sinica,2008,26(1):92-99]
12冯增昭,等.中国南方早中三叠世岩相古地理[M].北京:石油工业出版社,1997[Feng Zengzhao.Lithofacies Paleogeograhpy of Earlyand Middle Triassic of South China[M].Beijing:Petroleum IndustryPress,1997]
13冯增昭,等.中国南方二叠世岩相古地理[M].北京:石油大学出版社,1997[Feng Zengzhao.Lithofacies Paleogeograhpy of Permian ofSouth China[M].Beijing:Petroleum University Press,1997]
14 Robert G Loucks,Frederick Sarg.碳酸盐岩层序地层学——近期进展及应用[M].马永生,刘波,梅冥相,等(译).北京:海洋出版社,2003[Robert G Loucks,Frederick Sarg.Carbonate SequenceStratigraphy[M].Translated by Ma Yongsheng,Liu Bo,Mei Mingx-iang.Beijing:Ocean Press,2003]
15李国蓉,曾允孚,周心怀,等.十万大山地区下-中泥盆统白云岩成岩层序地层学研究[J].成都理工大学学报,2006,31(6):668-671[Li Guorong,Zeng Yunfu,Zhou Xinhuai,et al.Study on diagen-esis sequence stratigraphy of Lower Middle Devonian dolostone in Shi-wandashan area,Guangxi,China[J].Journal of Chengdu Universityof Technology,2006,31(6):668-671]
16李国蓉,王鑫,周心怀,等.碳酸盐岩层序地层储层预测——十万大山地区的应用[J].石油与天然气地质,2006,27(3):413-421[Li Guorong,Wang Xin,Zhou Xinhuai,et al.Carbonate reservoirsprediction with sequence stratigraphy:application in Shiwandashan ar-ea[J].Oil&Gas Geology,2006,27(3):413-421]
17梅冥相,徐德斌,周洪瑞.米级旋回层序的成因类型及其相序组构特征[J].沉积学报,2000,18(1):43-49[Mei Mingxiang,XuDebin,Zhou Hongrui.Genetic types of meter-scale cyclic sequencesand their fabric features of facies-succession[J].Acta SedimentologicaSinica,2000,18(1):43-49]
18肖加飞,魏家庸,胡瑞忠.扬子地台西南缘早三叠世层序地层格架[J].沉积学报,2004,22(2):310-318[Xiao Jiafei,Wei Jiayong,HuRuizhong.The Early Triassic sequence stratigraphic framework insouthwestern margin of Yangtze Platform[J].Acta SedimentologicaSinica,2004,22(2):310-318]
2马永生,牟传龙,郭彤楼,等.四川盆地东北部飞仙关组层序地层与储层分布[J].矿物岩石,2005,25(4):73-79[Ma Yongsheng,MuChuanlong,Guo Tonglou,et al,Sequence stratigraphy and reservoirdistribution of Feixianguan Formation in Northeastern Sichuan[J].Min-eral Petrology,2005,25(4):73-79]
3魏国齐,陈更生,杨威,等.川北下三叠统飞仙关组“槽台”沉积体系及演化[J].沉积学报,2004,22(2):254-260[Wei Guoqi,ChenGengshen,Yang Wei,et al.Sedimentary system of platform trough ofFeixianguan Formation of Lower Triassic in Northern Sichuan Basin andits evolution[J].Acta Sedimentologica Sinica,2004,22(2):254-260]
4刘宝珺,许效松,潘杏南,等.中国南方古大陆沉积地壳演化与成矿[M].北京:科学出版社,1994[Liu Baojun,Xu Xiaosong,Pan Xing-nan,et al.The Sedimentary Crustal Evolution and Mineralling of SouthChina Paleocontinent[M].Beijing:Science Press,1994]
5刘树根,李智武,刘顺,等.大巴山前陆盆地——冲断带的形成演化[M].北京:地质出版社,2006[Liu Shugen,Li Zhiwu,Liu Shun,etal.The Formation and Evolution of the Dabashan Foreland Basin-Thrust Belt[M].Beijing:Geological Publishing House,2006]
6王成善,李祥辉,陈洪德,等.中国南方二叠纪海平面变化及升降事件[J].沉积学报,1999,17(4):536-541[Wang Chengshan,Li Xian-ghui,Chen Hongde,et al.Permian sea-level changes and rising-fallingevents in South China[J].Acta Sedimentologica Sinica,1999,17(4):536-541]
7梅冥相,李仲远.滇黔桂地区晚古生代至三叠纪层序地层序列及沉积盆地演化[J].现代地质,2004,18(4):555-563[Mei Mingxiang,Li Zhongyuan.Sequence-stratigraphic succession and sedimentary ba-sin evolution from Late Paleozoic to Triassic in the Yunnan-Guizhou-Guangxi Region[J].Geoscience,2004,18(4):555-563]
8殷鸿福,童金南,丁梅华,等.扬子区晚二叠世—中三叠世海平面变化[J].地球科学,1994,19(5):627-632[Yin Hongfu,Tong Jinnan,Ding Meihua,et al.Late Permian-Middle Triassic sea level change ofYangtze Platform[J].Earth Science-Journal of China University of Ge-osciences,1994,19(5):627-632]
9赵玉光,许效松,刘宝?.上扬子台地西缘峨嵋地区三叠纪高频层序与海平面振荡研究[J]岩相古地理,1996,16(1):1-18[Zhao Yu-guang,Xu Xiaosong,Liu Baojun.High-frequency sequences and sea-level oscillations in the Emei Area on the Western Margin of the UpperYangtze Platform[J].Sedimentary Facies and Palaeogeography,1996,16(1):1-18]
10 Vail P R,Audemard F,Bowman S A,et al.The Stratigraphic Signa-tures of Tectonics,Eustasy and Sedimentology:an Overview[C]∥Einsele G,Ricken W,Seilacher A,eds.Cycles and Event in Stratig-raphy.Berlin,Heidelberg:Springer-Verlag,1991:617-659
11乔占峰,李国蓉,李弢,等.泸州古隆起地区嘉陵江组层序特征及其对碳酸盐岩储层的控制[J].沉积学报,2008,26(1):92-99[Qiao Zhanfeng,Li Guorong,Li Tao,et al.Sequence stratigraphicfeatures and their controls on carbonate reservoirs for the TriassicJialingjiang Formation of the Luzhou Paleohigh in Sichuan Basin[J].Acta Sedimentologica Sinica,2008,26(1):92-99]
12冯增昭,等.中国南方早中三叠世岩相古地理[M].北京:石油工业出版社,1997[Feng Zengzhao.Lithofacies Paleogeograhpy of Earlyand Middle Triassic of South China[M].Beijing:Petroleum IndustryPress,1997]
13冯增昭,等.中国南方二叠世岩相古地理[M].北京:石油大学出版社,1997[Feng Zengzhao.Lithofacies Paleogeograhpy of Permian ofSouth China[M].Beijing:Petroleum University Press,1997]
14 Robert G Loucks,Frederick Sarg.碳酸盐岩层序地层学——近期进展及应用[M].马永生,刘波,梅冥相,等(译).北京:海洋出版社,2003[Robert G Loucks,Frederick Sarg.Carbonate SequenceStratigraphy[M].Translated by Ma Yongsheng,Liu Bo,Mei Mingx-iang.Beijing:Ocean Press,2003]
15李国蓉,曾允孚,周心怀,等.十万大山地区下-中泥盆统白云岩成岩层序地层学研究[J].成都理工大学学报,2006,31(6):668-671[Li Guorong,Zeng Yunfu,Zhou Xinhuai,et al.Study on diagen-esis sequence stratigraphy of Lower Middle Devonian dolostone in Shi-wandashan area,Guangxi,China[J].Journal of Chengdu Universityof Technology,2006,31(6):668-671]
16李国蓉,王鑫,周心怀,等.碳酸盐岩层序地层储层预测——十万大山地区的应用[J].石油与天然气地质,2006,27(3):413-421[Li Guorong,Wang Xin,Zhou Xinhuai,et al.Carbonate reservoirsprediction with sequence stratigraphy:application in Shiwandashan ar-ea[J].Oil&Gas Geology,2006,27(3):413-421]
17梅冥相,徐德斌,周洪瑞.米级旋回层序的成因类型及其相序组构特征[J].沉积学报,2000,18(1):43-49[Mei Mingxiang,XuDebin,Zhou Hongrui.Genetic types of meter-scale cyclic sequencesand their fabric features of facies-succession[J].Acta SedimentologicaSinica,2000,18(1):43-49]
18肖加飞,魏家庸,胡瑞忠.扬子地台西南缘早三叠世层序地层格架[J].沉积学报,2004,22(2):310-318[Xiao Jiafei,Wei Jiayong,HuRuizhong.The Early Triassic sequence stratigraphic framework insouthwestern margin of Yangtze Platform[J].Acta SedimentologicaSinica,2004,22(2):310-318]
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