松南西斜坡前缘带青山口组层序界面识别及特征研究
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摘要
在前人研究的基础上,应用高分辨层序地层学理论与研究方法,对松辽盆地南部西斜坡地区的青山口组地层进行了层序地层划分与对比工作,从中识别出6个具等时意义的层序界面,将其划分为5个中期基准面旋回(4级层序)。建立了层序界面的岩心识别标志,即旋回叠加样式的变化面、岩性突变面—冲刷面、相类型的变化面和暴露剥蚀面,在测井曲线上,层序界面位于测井曲线幅度发生明显变化或曲线组合型式的转换处,在研究区地震剖面上的层序界面识别标志(超削反射终止特征)不明显。根据层序划分和层序界面的识别标志,把4级层序界面划分为不整合面、沉积作用转换面和顶超面,并对层序界面特征进行了详细研究。确定了研究层段湖泛面包括三角洲体系—湖泛面、深水湖—浊积体系—湖泛面和河流体系—洪泛面3种类型。层序界面和湖泛面的识别和确定,对于研究区高分辨率层序地层格架的建立和对储层分布规律的研究与预测具有重要意义。
Guided with the theory of high resolution sequence stratigraphy and based on previous research results,we constructed sequence stratigraphic scheme of Qingshankou Formation which was in front zone of the west slope in southern Songliao Basin,where six sequence boundary surfaces were identified and 5 medium-term base-level cycles (fourth order sequence) were divided.Core identification marks of the surfaces were established,that is,channel scouring surfaces,formation stacking transformation,changes of facies type,exposure erosion surface. The sequence boundary existed in which abrupt changes of amplitude happened or in conversion point of composite forms on logging curve,and the identification marks of seismic profile were not apparent in this area.According to the identification marks,the sequence boundary surfaces were divided into unconformity surface,depositional turnaround surface and toplap surface,and a detailed analysis was given to their characteristics.Flooding surfaces in Qingshankou Formation included fluvial deposits,delta and deep lake facies.Identification of the sequence boundaries and the flooding surfaces was very significant for building framework of the sequence stratigraphy and researching the distribution and prediction of reservoir.
Guided with the theory of high resolution sequence stratigraphy and based on previous research results,we constructed sequence stratigraphic scheme of Qingshankou Formation which was in front zone of the west slope in southern Songliao Basin,where six sequence boundary surfaces were identified and 5 medium-term base-level cycles (fourth order sequence) were divided.Core identification marks of the surfaces were established,that is,channel scouring surfaces,formation stacking transformation,changes of facies type,exposure erosion surface. The sequence boundary existed in which abrupt changes of amplitude happened or in conversion point of composite forms on logging curve,and the identification marks of seismic profile were not apparent in this area.According to the identification marks,the sequence boundary surfaces were divided into unconformity surface,depositional turnaround surface and toplap surface,and a detailed analysis was given to their characteristics.Flooding surfaces in Qingshankou Formation included fluvial deposits,delta and deep lake facies.Identification of the sequence boundaries and the flooding surfaces was very significant for building framework of the sequence stratigraphy and researching the distribution and prediction of reservoir.
引文
柏涛,徐志伟.2004．层序地层学在隐蔽圈闭预测中的应用--以松辽盆地南部为例.吉林大学学报(地球科学版),34(1) :73-77．Bai Tao and Xu Zhiwei.2004．The application of sequence stratigraphy to the prediction of subtle trap:Take Songnan region as example.Journal of Jilin University(Earth Science Edition),34(1) :73-77.
邓宏文,王洪亮,李小孟.1997．高分辨率层序地层对比在河流相中的应用石油与天然气地质,18(2) :90-95.Deng Hongwen,Wang Hongliang and Li Xiaomeng.1997．Application of high-resolution sequence stratigraphic correlation to fluvial facies.Oil & Gas geology,18(2) :90-95.
邓宏文,徐长贵,王洪亮.1998．陆东凹陷上侏罗统层序地层与生储盖组合石油与天然气地质,19(4) :275-279.Deng Hongwen,Xu Changgui and Wang Hongliang.1998．Sequence stratigraphy and source-reservoir-cap rock assemblages of Upper Jurassic in Ludong sag.Oil & Gas geology,19(4) :275-279.
邓宏文,王红亮,阎伟鹏,苏宗富,谢晓军,宋国齐,林会喜.2004．河流相层序地层构成模式探讨.沉积学报,22(3) :373-378.Deng Hongwen,Wang Hongliang,Yan Weipeng,Su Zongfu,Xie Xiaojun,Song Guoqi and Lin Huixi.2004．Architecture model of sequence stratigraphy in fluvial facies.Acta Sedimentologica Sinica,22(3) :373-378.
杜江峰,刘招君,董清水,何玉平.2005．松辽盆地南部西部斜坡区晚白垩世坳陷盆地坡折带研究.吉林大学学报(地球科学版),35(2) :170-175.Du Jiangfeng,Liu Zhaojun,Dong Qingshui and He Yuping.2005．Study on slope breaks of the Late Cretaceous depression basin around the western slope in the southern Songliao Basin.Journal of Jilin University(Earth Science Edition),35(2) :170-175.
高志勇,郑荣才,罗平.2007．陆相高分辨率层序地层中洪泛面特征研究.成都理工大学学报(自然科学版),34(1) :47-56.Gao Zhiyong,Zheng Rongcai and Luo Ping.2007．A study of the flooding surface in the high-resolution stratigraphic sequence of continental deposit.Journal of Chendu university of technology(Science & Technology Edition),34(1) :47-56.
顾家裕.1995陆相盆地层序地层学格架概念及模式.石油勘探与开发,22(4) :6-10.Gu Jiayu.1995．Framework concepts and models of sequence stratigraphy in nonmarine petroliferous basin.Petroleum Exploration and Development,22(4) :6-10.
刘鸿友,沈安江,王艳清,陆俊明.2003．松辽盆地南部泉头组-嫩江组层序地层与油气藏成因成藏组合.吉林大学学报(地球科学版),33(4) :469-472.Liu Hongyou,Shen Anjiang,Wang Yanqing and Lu Junming.2003．Study on sequence stratigraphy and genesis assemblages forming oil and gas from Quantou Fm.to Nenjiang Fm.in southern Songliao Basin.Journal of Jilin University(Earth Science Edition),33(4) :469-472.
孙钰,钟建华,姜在兴,于雯泉,操应长,饶孟余.2006．松辽盆地南部坳陷期层序地层研究.中国石油大学学报,30(5) :1-6.Sun Yu,Zhong Jianhua,Jiang Zaixing,Yu Wenquan,Cao Yingchang and Rao Mengyu.2006．Study of sequence stratigraphy of depression period in southern Songliao Basin.Journal of China University of Petroleum,30(5) :1-6.
王洪亮,邓宏文.1997．地层基准面原理在湖相储层预测中的应用.石油与天然气地质,18(2) :96-102.Wang Hongliang and Deng Hongwen.1997．Application of base-level principle in prediction of lacustrine reservoirs.Oil & Gas Geology,18(2) :96-102.
王颖,王英民,赵志魁,赵占银,辛仁臣,杜金玲,王晓州.2005．松辽盆地南部泉头组四段-姚家组西部坡折带的成因及演化.石油勘探与开发,32(3) :33-36.Wang Ying,Wang Yingmin,Zhao Zhikui,Zhao Zhanyin,Xin Renchen,Du Jinling and Wang Xiaozhou.2005．Origin and evolution of the west slope belt in member 4 of Quantou Formation to Yaojia Formation,south Songliao Basin.Petroleum Exploration and Development,32(3) :33-36.
魏魁生,徐怀大.1993．华北典型箕状断陷盆地层序地层学模式及其与油气赋存关系.地球科学,18(2) :139-149.Wei Kuisheng and Xu Huaida.1993．Sequence stratigraphic models and their relationship to oil and gas occurrence in typical faulted basins,northern China.Earth Science,18(2) :139-149.
杨会东,刘万洙,单玄龙,杨亮.2005．松辽盆地南部西部斜坡带三角洲前缘中沉积微相识别标志及应用.世界地 质,24(1) :43-47.Yang Huidong,Liu Wanzhu,Shan Xuanlong and Yang Liang.2005．Sedimentary mico-facies distinguishing marks of delta-front of the west slope in southern Songliao Basin and its application.Global Geology,24(1) :43-47.
袁选俊,薛良清,池英柳,陈章明,渠永宏.2003．坳陷型湖盆层序地层特征与隐蔽油气藏勘探--以松辽盆地为例.石油学报,24(3) :11-15.Yuan Xuanjun,Xue Liangqing,Chi Yingliu,Chen Zhangming and Qu Yonghong.2003．Sequence stratigraphic and subtle-trap characteristics of lacustrine depression basin.Acta Petrolei Sinica,24(3) :11-15.
郑荣才.1998．四川盆地下侏罗统大安寨段高分辨率层序地层学.沉积学报,16(2) :42-49.Zheng Rongcai.1998．High resolution sequence stratigraphy of Daanzhai Formation,Lower Jurassic in Sichuan Basin.Acta Sedimentologica Sinica,16(2) :42-49.
郑荣才,吴朝容,叶茂才.2000．浅谈陆相盆地高分辨率层序地层研究思路.成都理工大学学报(自然科学版),27(3) :241-244.Zheng Rongcai,Wu Chaorong and Ye Maocai.2000．Research thinking of high-resolution sequence stratigraphy about a terrigenous basin.Journal of Chendu University of Technology(Science & Technology Edition),27(3) :241-244.
卓弘春,林春明,李艳丽,冯志强,张顺,赵波.2007．松辽盆地北部上白垩统青山口-姚家组沉积相及层序地层界面特征沉积学报,25(1) :29-37.Zhuo Hongchun,Ling Chunming,Li Yanli,Feng Zhiqiang,Zhang Shun and Zhao Bo.2007．Characteristics of sedimentary facies and sequence boundary in Upper Cretaceous Qingshankou-Yaojia Formation of northern Songliao Basin.Acta Sedimentologica Sinica,25(1) :29-37.
邹才能,薛叔浩,赵文智,李明,王永春,梁春秀,赵志魁,赵占银.2004．松辽盆地南部白垩系泉头组-嫩江组沉积层序特征与地层岩性油气藏形成条件.石油勘探与开发,31(2) :14-17.Zou Caineng,Xue Shuhao,Zhao Wenzhi,Li Ming,Wang Yongchun,Liang Chunxiu,Zhao Zhikui and Zhao Zhanyin.2004．Depositional sequences and forming conditions of the Cretaceous stratigraphic-lithologic reservoirs in the Quantou-Nengjiang Formations,south Songliao Basin.Petroleum Exploration and Development,31(2) :14-17.
邹才能,陶士振,谷志东.2006．陆相坳陷盆地层序地层格架下岩性地层圈闭/油藏类型与分布规律--以松辽盆地白垩系泉头组-嫩江组为例.地质科学,41(4) :711-719.Zou Caineng,Tao Shizhen and Gu Zhidong.2006．Types and distributions of litho-stratigraphic traps/reservoirs in sequence stratigraphic framework in continental depressional basin:An example from the Cretaceous in the Songliao Basin.Chinese Journal of Geology,41(4) :711-719.
Cross T A,Baker M R,Chapin M A,Clark M S and Gardner M H.1993．Applications of high-resolution sequence stratigraphy to reservoir analysis.In:Eschard R and Doligez B(Eds.).Subsurface Reservoir Characterization from Outcrop Observations.Editions Technip,Paris.11-34.
Cross T A.2000．Stratigraphic controls on reservoir attributes in continental strata.Earth Science Frontiers,7(4) :322-350.
Gardner M H and Cross T A.1994．Middle Cretaceous paleogeography of Utah.In:Caputo M V,Peterson J A and Franczyk K J(Eds.).Mesozoic Systems of the Rocky Mountain Region.USA:Rocky Mountain Section SEPM(Society for Sedimentary Geology).471-502.
Wright V P and Marriotts S B.1993．The sequence stratigraphy of fluvial depositional systems:The role of floodplain sediment storage.Sedimentary Geology,86(3-4) :203-210.
Shanlley K W and Mecabe P J.1994．Perspectives on the sequence stratigraphy of continental strata.AAPG Bulletin,78(4) :544-568．
邓宏文,王洪亮,李小孟.1997．高分辨率层序地层对比在河流相中的应用石油与天然气地质,18(2) :90-95.Deng Hongwen,Wang Hongliang and Li Xiaomeng.1997．Application of high-resolution sequence stratigraphic correlation to fluvial facies.Oil & Gas geology,18(2) :90-95.
邓宏文,徐长贵,王洪亮.1998．陆东凹陷上侏罗统层序地层与生储盖组合石油与天然气地质,19(4) :275-279.Deng Hongwen,Xu Changgui and Wang Hongliang.1998．Sequence stratigraphy and source-reservoir-cap rock assemblages of Upper Jurassic in Ludong sag.Oil & Gas geology,19(4) :275-279.
邓宏文,王红亮,阎伟鹏,苏宗富,谢晓军,宋国齐,林会喜.2004．河流相层序地层构成模式探讨.沉积学报,22(3) :373-378.Deng Hongwen,Wang Hongliang,Yan Weipeng,Su Zongfu,Xie Xiaojun,Song Guoqi and Lin Huixi.2004．Architecture model of sequence stratigraphy in fluvial facies.Acta Sedimentologica Sinica,22(3) :373-378.
杜江峰,刘招君,董清水,何玉平.2005．松辽盆地南部西部斜坡区晚白垩世坳陷盆地坡折带研究.吉林大学学报(地球科学版),35(2) :170-175.Du Jiangfeng,Liu Zhaojun,Dong Qingshui and He Yuping.2005．Study on slope breaks of the Late Cretaceous depression basin around the western slope in the southern Songliao Basin.Journal of Jilin University(Earth Science Edition),35(2) :170-175.
高志勇,郑荣才,罗平.2007．陆相高分辨率层序地层中洪泛面特征研究.成都理工大学学报(自然科学版),34(1) :47-56.Gao Zhiyong,Zheng Rongcai and Luo Ping.2007．A study of the flooding surface in the high-resolution stratigraphic sequence of continental deposit.Journal of Chendu university of technology(Science & Technology Edition),34(1) :47-56.
顾家裕.1995陆相盆地层序地层学格架概念及模式.石油勘探与开发,22(4) :6-10.Gu Jiayu.1995．Framework concepts and models of sequence stratigraphy in nonmarine petroliferous basin.Petroleum Exploration and Development,22(4) :6-10.
刘鸿友,沈安江,王艳清,陆俊明.2003．松辽盆地南部泉头组-嫩江组层序地层与油气藏成因成藏组合.吉林大学学报(地球科学版),33(4) :469-472.Liu Hongyou,Shen Anjiang,Wang Yanqing and Lu Junming.2003．Study on sequence stratigraphy and genesis assemblages forming oil and gas from Quantou Fm.to Nenjiang Fm.in southern Songliao Basin.Journal of Jilin University(Earth Science Edition),33(4) :469-472.
孙钰,钟建华,姜在兴,于雯泉,操应长,饶孟余.2006．松辽盆地南部坳陷期层序地层研究.中国石油大学学报,30(5) :1-6.Sun Yu,Zhong Jianhua,Jiang Zaixing,Yu Wenquan,Cao Yingchang and Rao Mengyu.2006．Study of sequence stratigraphy of depression period in southern Songliao Basin.Journal of China University of Petroleum,30(5) :1-6.
王洪亮,邓宏文.1997．地层基准面原理在湖相储层预测中的应用.石油与天然气地质,18(2) :96-102.Wang Hongliang and Deng Hongwen.1997．Application of base-level principle in prediction of lacustrine reservoirs.Oil & Gas Geology,18(2) :96-102.
王颖,王英民,赵志魁,赵占银,辛仁臣,杜金玲,王晓州.2005．松辽盆地南部泉头组四段-姚家组西部坡折带的成因及演化.石油勘探与开发,32(3) :33-36.Wang Ying,Wang Yingmin,Zhao Zhikui,Zhao Zhanyin,Xin Renchen,Du Jinling and Wang Xiaozhou.2005．Origin and evolution of the west slope belt in member 4 of Quantou Formation to Yaojia Formation,south Songliao Basin.Petroleum Exploration and Development,32(3) :33-36.
魏魁生,徐怀大.1993．华北典型箕状断陷盆地层序地层学模式及其与油气赋存关系.地球科学,18(2) :139-149.Wei Kuisheng and Xu Huaida.1993．Sequence stratigraphic models and their relationship to oil and gas occurrence in typical faulted basins,northern China.Earth Science,18(2) :139-149.
杨会东,刘万洙,单玄龙,杨亮.2005．松辽盆地南部西部斜坡带三角洲前缘中沉积微相识别标志及应用.世界地 质,24(1) :43-47.Yang Huidong,Liu Wanzhu,Shan Xuanlong and Yang Liang.2005．Sedimentary mico-facies distinguishing marks of delta-front of the west slope in southern Songliao Basin and its application.Global Geology,24(1) :43-47.
袁选俊,薛良清,池英柳,陈章明,渠永宏.2003．坳陷型湖盆层序地层特征与隐蔽油气藏勘探--以松辽盆地为例.石油学报,24(3) :11-15.Yuan Xuanjun,Xue Liangqing,Chi Yingliu,Chen Zhangming and Qu Yonghong.2003．Sequence stratigraphic and subtle-trap characteristics of lacustrine depression basin.Acta Petrolei Sinica,24(3) :11-15.
郑荣才.1998．四川盆地下侏罗统大安寨段高分辨率层序地层学.沉积学报,16(2) :42-49.Zheng Rongcai.1998．High resolution sequence stratigraphy of Daanzhai Formation,Lower Jurassic in Sichuan Basin.Acta Sedimentologica Sinica,16(2) :42-49.
郑荣才,吴朝容,叶茂才.2000．浅谈陆相盆地高分辨率层序地层研究思路.成都理工大学学报(自然科学版),27(3) :241-244.Zheng Rongcai,Wu Chaorong and Ye Maocai.2000．Research thinking of high-resolution sequence stratigraphy about a terrigenous basin.Journal of Chendu University of Technology(Science & Technology Edition),27(3) :241-244.
卓弘春,林春明,李艳丽,冯志强,张顺,赵波.2007．松辽盆地北部上白垩统青山口-姚家组沉积相及层序地层界面特征沉积学报,25(1) :29-37.Zhuo Hongchun,Ling Chunming,Li Yanli,Feng Zhiqiang,Zhang Shun and Zhao Bo.2007．Characteristics of sedimentary facies and sequence boundary in Upper Cretaceous Qingshankou-Yaojia Formation of northern Songliao Basin.Acta Sedimentologica Sinica,25(1) :29-37.
邹才能,薛叔浩,赵文智,李明,王永春,梁春秀,赵志魁,赵占银.2004．松辽盆地南部白垩系泉头组-嫩江组沉积层序特征与地层岩性油气藏形成条件.石油勘探与开发,31(2) :14-17.Zou Caineng,Xue Shuhao,Zhao Wenzhi,Li Ming,Wang Yongchun,Liang Chunxiu,Zhao Zhikui and Zhao Zhanyin.2004．Depositional sequences and forming conditions of the Cretaceous stratigraphic-lithologic reservoirs in the Quantou-Nengjiang Formations,south Songliao Basin.Petroleum Exploration and Development,31(2) :14-17.
邹才能,陶士振,谷志东.2006．陆相坳陷盆地层序地层格架下岩性地层圈闭/油藏类型与分布规律--以松辽盆地白垩系泉头组-嫩江组为例.地质科学,41(4) :711-719.Zou Caineng,Tao Shizhen and Gu Zhidong.2006．Types and distributions of litho-stratigraphic traps/reservoirs in sequence stratigraphic framework in continental depressional basin:An example from the Cretaceous in the Songliao Basin.Chinese Journal of Geology,41(4) :711-719.
Cross T A,Baker M R,Chapin M A,Clark M S and Gardner M H.1993．Applications of high-resolution sequence stratigraphy to reservoir analysis.In:Eschard R and Doligez B(Eds.).Subsurface Reservoir Characterization from Outcrop Observations.Editions Technip,Paris.11-34.
Cross T A.2000．Stratigraphic controls on reservoir attributes in continental strata.Earth Science Frontiers,7(4) :322-350.
Gardner M H and Cross T A.1994．Middle Cretaceous paleogeography of Utah.In:Caputo M V,Peterson J A and Franczyk K J(Eds.).Mesozoic Systems of the Rocky Mountain Region.USA:Rocky Mountain Section SEPM(Society for Sedimentary Geology).471-502.
Wright V P and Marriotts S B.1993．The sequence stratigraphy of fluvial depositional systems:The role of floodplain sediment storage.Sedimentary Geology,86(3-4) :203-210.
Shanlley K W and Mecabe P J.1994．Perspectives on the sequence stratigraphy of continental strata.AAPG Bulletin,78(4) :544-568．
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