鄂尔多斯盆地延长组层序地层特征
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摘要
通过对鄂尔多斯盆地延长组钻井、测井及地震等资料分析,寻找作为层序界面的冲刷侵蚀面与不整合面,认为延长组岩石地层单元的划分存在穿时性。延长组沉积时期鄂尔多斯盆地为克拉通盆地,其沉积层序特征:①三级层序在盆地内厚度变化不大,发育稳定;②沉积坡折带为主要的坡折类型,不会形成巨厚的低位体系域砂体;③物源控制了湖平面之上砂体的分布,坡折带控制了湖平面之下砂体的分布;④整个层序结构具有多物源多旋回充填特征。
Based on the drilling,logging and seismic data,the right scour erosion surfaces and the unconformities as sequence boundaries can be found.There is time through in the division of lithostratigraphic units in Yanchang formation.In the sedimentary period of Yanchang formation,Ordos basin is a craton basin,which have special sedimentation sequence features.①The three-order sequences growth are stable totally,with little change of the thickness in Ordos basin.②Sedimentary slope-break belt is the main type in the glacis depression basin,it can not form thick sand bodies in the low stand systems.③Above the lake level,the distribution of sand-bodies is controlled by sediment source.Below the lake level,the distribution of sand-bodies is controlled by slope-break belt.④The whole sequence has the filling characteristics with multiprovenance and multicycle.
Based on the drilling,logging and seismic data,the right scour erosion surfaces and the unconformities as sequence boundaries can be found.There is time through in the division of lithostratigraphic units in Yanchang formation.In the sedimentary period of Yanchang formation,Ordos basin is a craton basin,which have special sedimentation sequence features.①The three-order sequences growth are stable totally,with little change of the thickness in Ordos basin.②Sedimentary slope-break belt is the main type in the glacis depression basin,it can not form thick sand bodies in the low stand systems.③Above the lake level,the distribution of sand-bodies is controlled by sediment source.Below the lake level,the distribution of sand-bodies is controlled by slope-break belt.④The whole sequence has the filling characteristics with multiprovenance and multicycle.
引文
[1]张守信.理论地层学与应用地层学:现代地层学概念[M].北京:高等教育出版社,2006.
[2]龚一鸣,张克信.地层学基础与前沿[M].武汉:中国地质大学出版社,2007.
[3]梅冥相,马永生.从旋回层序的特征论地层记录的两种相变面及两种穿时性[J].地层学杂志,2001,25(2):150-153.MEI Mingxiang,MA Yongsheng.On two kinds of facies change surface and two kinds of diachrononism in stratigraphical records according to the natures of cyclic-sequences[J].Journal of Stratigraphy,2001,25(2):150-153.
[4]MITCHUM R M,CAMPION K M,RAHMANIAN V D,et al.Siliciclastic sequence stratigraphy in well Logs,cores,and outcrops:Concepts for high-resolution correlation of time and facies[J].AAPG,Methods in Exploration.1990,7:1-55.
[5]POSAMENTIER H W,ALLEN G P,JAMES D P.High resolution sequence stratigraphy-the East Coulee Delta,Alberta[J].Journal of Sedimentary Petrology,1992,62(2):310-317.
[6]刘震,曾宪斌,张万选.构造掀斜对单断湖盆湖平面变化的影响[J].沉积学报,1997,15(4):64-71.LIU Zhen,ZENG Xianbin,ZHANG Wanxuan,et al.Effect of tectonic tilt of faulted blocks on lake level change of single faulted continental basins[J].ActaSedimentologicaSinica,1997,15(4):64-71.
[7]李思田.鄂尔多斯盆地东北部层序地层及沉积体系分析[M].北京:地质出版社,1992.
[8]王东坡,刘立.大陆裂谷盆地层序学的研究[J].岩相古地理,1994,14(3):1-9.WANG Dongpo,LIU Li.Sequence stratigraphy in continental rift basins[J].Sedimentary Facies and Palaeogeography,1994,14(3):1-9.
[9]李祥辉,王成善.特提斯喜马拉雅显生宙的超层序[J].岩相古地理,1997,21:8-30.LI Xianghui,WANG Chengshan.The super-sequence of Tethyan Himalayan in Phanerozoic[J].Sedimentary Facies and Palaeogeography,1997,21:8-30.
[10]刘震,吴因业.层序地层框架与油气勘探[M].北京:石油工业出版社,1999.
[11]汪泽成,刘焕杰,张林,等.鄂尔多斯含油气区构造层序地层研究[J].中国矿业大学学报,2000,29(4):432-436.WANG Zecheng,LIU Huanjie,ZHANG Lin,et al.Analysis of tectonic sequence stratigraphy in Erdos basin[J].Journal of ChinaUniversity of Mining&Technology,2000,29(4):432-436.
[12]赵重远,刘池洋.华北克拉通沉积盆地形成与演化及其油气赋存[M].西安:西北大学出版社,1990.
[13]邓宏文,王洪亮,翟爱军,等.中国陆源碎屑盆地层序地层与储层展布[J].石油与天然气地质,1999,20(2):108-114.DENG Hongwen,WANG Hongliang,ZHAI Aijun,et al.Sequence stratigraphy and reservoir distribution[J].Oil&Gas Geology,1999,20(2):108-114.
[14]李相博,郭彦如,刘化清,等.浅谈小波分析在鄂尔多斯盆地延长组层序地层划分中的应用[J].天然气地球科学,2006,17(6):779-782.LI Xiangbo,GUO Yanru,LIU Huaqing,et al.The application of wavelet analysis in sequence stratigraphic subdivision of the Yanchang formation,Ordos basin[J].Natural Gas Geoscience,2006,17(6):779-782.
[15]李克勤.中国石油地质志[M].北京:石油工业出版社,1992.
[16]杨俊杰.鄂尔多斯盆地构造演化与油气分布规律[M].北京:石油工业出版社,2002.
[17]王鸿祯,史晓颖.沉积层序及海平面旋回的分类级别[J].现代地质,1998,12(1):1-16.WANG Hongzhen,SHI Xiaoying.Hierarchy of depositional sequences and eustatic cycles a discussion on the mechanism of sedimentary cycles[J].Geoscience,1998,12(1):1-16.
[18]袁新涛,沈平平.高分辨率层序框架内小层综合对比方法[J].石油学报,2007,28(6):87-91.YUAN Xintao,SHEN Pingping.Continental strata correlation of high-resolution sequence in reservoir development phase[J].Acta Petrolei Sinica,2007,28(6):87-91.
[19]霍春亮,古莉,赵春明,等.基于地震、测井和地质综合一体化的储层精细建模[J].石油学报,2007,28(6):66-71.HUO Chunliang,GU Li,ZHAO Chunming,et al.Integrated reservoir geological modeling based on seismic,log and geolog-ical data[J].Acta Petrolei Sinica,2007,28(6):66-71.
[20]李凤杰,王多云.坳陷湖盆三角洲前缘沉积微相构成及其分带性:以鄂尔多斯盆地上三叠统延长组为例[J].天然气地球科学,2006,17(6):775-788.LI Fengjie,WANG Duoyun.The microfacies architecture and zoning of delta front in depressed-type lacustrine basin:Tak-ing the Yanchang formation of Triassic in Ordos basinas an example[J].Natural Gas Geoscience,2006,17(6):775-788.
[21]郑希民,郭彦如,刘化清,等.应用自然伽玛测井曲线小波分析划分陆相坳陷盆地三级层序的方法:以鄂尔多斯盆地延长组为例[J].天然气地球科学,2006,17(5):672-676.ZHENG Ximin,GUO Yanru,LIU Huaqing,et al.The method of division third-degree succession of strata by gamma ray logging wavelet analysis in stationary continental facies depression basin:Taking Yanchang formation of Ordos basin as an example[J].Natural Gas Geoscience,2006,17(5):672-676.
[22]杨友运.鄂尔多斯盆地南部延长组沉积体系和层序特征[J].地质通报,2005,24(4):369-372.YANG Youyun.Characteristics of the depositional systems and sequence evolution of the Yanchang formation in the south-ern Ordos basin[J].Regional Geology of China,2005,24(4):369-372.
[23]谢渊,王剑,刘家铎,等.鄂尔多斯盆地东南部延长组湖盆致密砂岩储层层序地层与油气勘探[M].北京:地质出版社,2004.
[24]杨雷,梅志超,熊伟.陕北地区延长组层序地层划分与含油气性[J].古地理学报,2001,3(3):83-88.YANG Lei,MEI Zhichao,XIONG Wei.Stratigraphic sequence and petroliferous characters of Yanchang group in north Shaanxi province[J].Journal of Palaeogeography,2001,3(3):83-88.
[25]赵红格,刘池洋,翁望飞,等.新近纪鄂尔多斯盆地东西部的构造反转及其意义[J].石油学报,2007,28(6):6-11.ZHAO Hongge,LIU Chiyang,WENG Wangfei,et al.Structural reverse and its significance to oil and gas in the east and west parts of Ordos basin in the Neogene[J].Acta Petrolei Sinica,2007,28(6):6-11.
[26]罗静兰,KETZER J M,李文厚,等.延长油田侏罗系—上三叠统层序地层与生储盖组合[J].石油与天然气地质,2001,22(4):337-401.
[27]牛嘉玉,冯有良,鲁卫华,等.中国东部陆相湖盆层序类型与岩性圈闭发育特征[J].石油学报,2006,27(4):18-22.NIU Jiayu,FENG Youliang,LU Weihua,et al.Sequence type and lithologic trap distribution in lacustrine basin of east Chi-na[J].Acta Petrolei Sinica,2006,27(4):18-22.
[28]王峰,田景春,范立勇,等.鄂尔多斯盆地三叠系延长组沉积充填演化及其对印支构造运动的响应[J].天然气地球科学,2010,21(6):882-889.WANG Feng,TIAN Jingchun,FAN Liyong,et al.Evolution of sedimentary fillings in triassic Yanchang formation and its response to Indosinian movement in Ordos basin[J].Natural Gas Geoscience,2010,21(6):882-889.
[2]龚一鸣,张克信.地层学基础与前沿[M].武汉:中国地质大学出版社,2007.
[3]梅冥相,马永生.从旋回层序的特征论地层记录的两种相变面及两种穿时性[J].地层学杂志,2001,25(2):150-153.MEI Mingxiang,MA Yongsheng.On two kinds of facies change surface and two kinds of diachrononism in stratigraphical records according to the natures of cyclic-sequences[J].Journal of Stratigraphy,2001,25(2):150-153.
[4]MITCHUM R M,CAMPION K M,RAHMANIAN V D,et al.Siliciclastic sequence stratigraphy in well Logs,cores,and outcrops:Concepts for high-resolution correlation of time and facies[J].AAPG,Methods in Exploration.1990,7:1-55.
[5]POSAMENTIER H W,ALLEN G P,JAMES D P.High resolution sequence stratigraphy-the East Coulee Delta,Alberta[J].Journal of Sedimentary Petrology,1992,62(2):310-317.
[6]刘震,曾宪斌,张万选.构造掀斜对单断湖盆湖平面变化的影响[J].沉积学报,1997,15(4):64-71.LIU Zhen,ZENG Xianbin,ZHANG Wanxuan,et al.Effect of tectonic tilt of faulted blocks on lake level change of single faulted continental basins[J].ActaSedimentologicaSinica,1997,15(4):64-71.
[7]李思田.鄂尔多斯盆地东北部层序地层及沉积体系分析[M].北京:地质出版社,1992.
[8]王东坡,刘立.大陆裂谷盆地层序学的研究[J].岩相古地理,1994,14(3):1-9.WANG Dongpo,LIU Li.Sequence stratigraphy in continental rift basins[J].Sedimentary Facies and Palaeogeography,1994,14(3):1-9.
[9]李祥辉,王成善.特提斯喜马拉雅显生宙的超层序[J].岩相古地理,1997,21:8-30.LI Xianghui,WANG Chengshan.The super-sequence of Tethyan Himalayan in Phanerozoic[J].Sedimentary Facies and Palaeogeography,1997,21:8-30.
[10]刘震,吴因业.层序地层框架与油气勘探[M].北京:石油工业出版社,1999.
[11]汪泽成,刘焕杰,张林,等.鄂尔多斯含油气区构造层序地层研究[J].中国矿业大学学报,2000,29(4):432-436.WANG Zecheng,LIU Huanjie,ZHANG Lin,et al.Analysis of tectonic sequence stratigraphy in Erdos basin[J].Journal of ChinaUniversity of Mining&Technology,2000,29(4):432-436.
[12]赵重远,刘池洋.华北克拉通沉积盆地形成与演化及其油气赋存[M].西安:西北大学出版社,1990.
[13]邓宏文,王洪亮,翟爱军,等.中国陆源碎屑盆地层序地层与储层展布[J].石油与天然气地质,1999,20(2):108-114.DENG Hongwen,WANG Hongliang,ZHAI Aijun,et al.Sequence stratigraphy and reservoir distribution[J].Oil&Gas Geology,1999,20(2):108-114.
[14]李相博,郭彦如,刘化清,等.浅谈小波分析在鄂尔多斯盆地延长组层序地层划分中的应用[J].天然气地球科学,2006,17(6):779-782.LI Xiangbo,GUO Yanru,LIU Huaqing,et al.The application of wavelet analysis in sequence stratigraphic subdivision of the Yanchang formation,Ordos basin[J].Natural Gas Geoscience,2006,17(6):779-782.
[15]李克勤.中国石油地质志[M].北京:石油工业出版社,1992.
[16]杨俊杰.鄂尔多斯盆地构造演化与油气分布规律[M].北京:石油工业出版社,2002.
[17]王鸿祯,史晓颖.沉积层序及海平面旋回的分类级别[J].现代地质,1998,12(1):1-16.WANG Hongzhen,SHI Xiaoying.Hierarchy of depositional sequences and eustatic cycles a discussion on the mechanism of sedimentary cycles[J].Geoscience,1998,12(1):1-16.
[18]袁新涛,沈平平.高分辨率层序框架内小层综合对比方法[J].石油学报,2007,28(6):87-91.YUAN Xintao,SHEN Pingping.Continental strata correlation of high-resolution sequence in reservoir development phase[J].Acta Petrolei Sinica,2007,28(6):87-91.
[19]霍春亮,古莉,赵春明,等.基于地震、测井和地质综合一体化的储层精细建模[J].石油学报,2007,28(6):66-71.HUO Chunliang,GU Li,ZHAO Chunming,et al.Integrated reservoir geological modeling based on seismic,log and geolog-ical data[J].Acta Petrolei Sinica,2007,28(6):66-71.
[20]李凤杰,王多云.坳陷湖盆三角洲前缘沉积微相构成及其分带性:以鄂尔多斯盆地上三叠统延长组为例[J].天然气地球科学,2006,17(6):775-788.LI Fengjie,WANG Duoyun.The microfacies architecture and zoning of delta front in depressed-type lacustrine basin:Tak-ing the Yanchang formation of Triassic in Ordos basinas an example[J].Natural Gas Geoscience,2006,17(6):775-788.
[21]郑希民,郭彦如,刘化清,等.应用自然伽玛测井曲线小波分析划分陆相坳陷盆地三级层序的方法:以鄂尔多斯盆地延长组为例[J].天然气地球科学,2006,17(5):672-676.ZHENG Ximin,GUO Yanru,LIU Huaqing,et al.The method of division third-degree succession of strata by gamma ray logging wavelet analysis in stationary continental facies depression basin:Taking Yanchang formation of Ordos basin as an example[J].Natural Gas Geoscience,2006,17(5):672-676.
[22]杨友运.鄂尔多斯盆地南部延长组沉积体系和层序特征[J].地质通报,2005,24(4):369-372.YANG Youyun.Characteristics of the depositional systems and sequence evolution of the Yanchang formation in the south-ern Ordos basin[J].Regional Geology of China,2005,24(4):369-372.
[23]谢渊,王剑,刘家铎,等.鄂尔多斯盆地东南部延长组湖盆致密砂岩储层层序地层与油气勘探[M].北京:地质出版社,2004.
[24]杨雷,梅志超,熊伟.陕北地区延长组层序地层划分与含油气性[J].古地理学报,2001,3(3):83-88.YANG Lei,MEI Zhichao,XIONG Wei.Stratigraphic sequence and petroliferous characters of Yanchang group in north Shaanxi province[J].Journal of Palaeogeography,2001,3(3):83-88.
[25]赵红格,刘池洋,翁望飞,等.新近纪鄂尔多斯盆地东西部的构造反转及其意义[J].石油学报,2007,28(6):6-11.ZHAO Hongge,LIU Chiyang,WENG Wangfei,et al.Structural reverse and its significance to oil and gas in the east and west parts of Ordos basin in the Neogene[J].Acta Petrolei Sinica,2007,28(6):6-11.
[26]罗静兰,KETZER J M,李文厚,等.延长油田侏罗系—上三叠统层序地层与生储盖组合[J].石油与天然气地质,2001,22(4):337-401.
[27]牛嘉玉,冯有良,鲁卫华,等.中国东部陆相湖盆层序类型与岩性圈闭发育特征[J].石油学报,2006,27(4):18-22.NIU Jiayu,FENG Youliang,LU Weihua,et al.Sequence type and lithologic trap distribution in lacustrine basin of east Chi-na[J].Acta Petrolei Sinica,2006,27(4):18-22.
[28]王峰,田景春,范立勇,等.鄂尔多斯盆地三叠系延长组沉积充填演化及其对印支构造运动的响应[J].天然气地球科学,2010,21(6):882-889.WANG Feng,TIAN Jingchun,FAN Liyong,et al.Evolution of sedimentary fillings in triassic Yanchang formation and its response to Indosinian movement in Ordos basin[J].Natural Gas Geoscience,2010,21(6):882-889.
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