辽中凹陷古近系东营组高精度层序地层及沉积体系分析
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摘要
以地震资料、测井、录井资料为主,结合孢粉化石等地质资料,将辽中凹陷东营组地层划分为3个三级层序,并划分了沉积体系域,根据易于识别和追踪的水退浊积扇底界面划分四级层序,将东营组划分为7个四级层序。通过岩心观察及对测井、地震特征的对比,在层序内部识别出浊积扇、近岸水下扇、扇三角洲、辫状河三角洲、曲流河三角洲、滨浅湖-滩坝等多种沉积体系,分析认为地层层序、物源供给、断裂坡折、湖平面变化、构造活动等因素控制了沉积体系的发育。
Based on seismic,logging,drilling,palynology,micropalaeontology an d other geologic information,the strata of Dongying Formation in Liaozhong Depr ession is divided into 3 3rd-order strata sequences which system tract is divide d accurately.Dongying Formation is divided into 7 4th-order strata sequences by means of regression turbidite fan basal interface which is traced readily.Base d on identifying the core,log curve and seismic feature,all kinds of depositio nal system,such as sublacustrine fan,subsea apron,fan delta,braided channel delta,meandering river delta,beach-bar etc,are identified.It is concluded th at depositional system is dominated by strata sequence,sedimentary derivation, denivellation,break of slope and tectonic movement.
Based on seismic,logging,drilling,palynology,micropalaeontology an d other geologic information,the strata of Dongying Formation in Liaozhong Depr ession is divided into 3 3rd-order strata sequences which system tract is divide d accurately.Dongying Formation is divided into 7 4th-order strata sequences by means of regression turbidite fan basal interface which is traced readily.Base d on identifying the core,log curve and seismic feature,all kinds of depositio nal system,such as sublacustrine fan,subsea apron,fan delta,braided channel delta,meandering river delta,beach-bar etc,are identified.It is concluded th at depositional system is dominated by strata sequence,sedimentary derivation, denivellation,break of slope and tectonic movement.
引文
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[11]顾家裕.陆相盆地层序地层学格架概念及模式[J].石油勘探与开发,1995,22(4):6-10.
[12]王鸿祯,史晓颖.沉积层序及海平面旋回的分类级别:旋回周期的成因讨论[J].现代地质,1998,12(1):1-16.
[13]梅冥相,杨欣德.强迫型海退及强迫型海退楔体系域:对传统Exxon层序地层学模式的修正[J].地质科技情报,2000,19(2):17-21.
[14]林畅松,张燕梅,刘景彦,等.高精度层序地层学与储层预测[J].地学前缘,2000,7(3):111-117.
[15]林畅松,刘景彦,刘丽军,等.高精度层序地层分析:建立沉积相和储层规模的等时地层格架[J].现代地质,2002,16(3):276-281.
[16]刘景彦,丁孝忠,邱以钢,等.新疆库车坳陷古近系苏维依组高精度层序地层及其发育的主控因素探讨[J].高校地质学报,2009,15(3):318-327.
[17]Van Wagoner J C,Mittchum R M,Campion K M,et al.Si-liciclastic sequence stratigraphy in well logs,cores and out-crops:concepts for high-resolution correlation of time and faci-es[J].AAPG,Methods in Exploration Series,1990(7):55.
[18]朱筱敏,董艳蕾,杨俊生,等.辽东湾地区古近系层序地层格架与沉积体系分布[J].中国科学:D辑,2008,38(增刊1):1-10.
[19]董艳蕾,朱筱敏,李德江,等.渤海湾盆地辽东湾地区古近系地震相研究[J].沉积学报,2007,25(4):554-563.
[20]吴建政,孙洪光,亓发庆,等.辽东湾北部晚更新世中期以来的地层结构及环境演化[J].海洋科学进展,2005,23(4):453-460.
[21]王元君,王峻,周心怀,等.辽东湾辽中凹陷中部古近系东营组震浊积岩特征研究[J].矿物岩石,2008,28(3):84-89.
[22]袁波,陈世悦,袁文芳,等.辽西凹陷欢喜岭地区沙河街组层序格架的建立[J].西南石油大学学报:自然科学版,2008,30(2):27-33.
[23]戴朝成,郑荣才,文华国,等.辽东湾盆地旅大地区古近系层序-岩相古地理编图[J].岩性油气藏,2008,20(1):39-46.
[24]蒋恕,蔡东生,朱筱敏,等.辽中凹陷中深层储层主控因素研究[J],石油天然气学报:江汉石油学院学报,2006,28(15):35-39.
[25]戴朝成,郑荣才,文华国,等.辽东湾盆地沙河街组湖相白云岩成因研究[J].成都理工大学学报:自然科学版,2008,35(2):187-193.
[26]李德江,朱筱敏,董艳蕾,等.辽东湾坳陷古近系沙河街组层序地层分析[J].石油勘探与开发,2007,34(6):669-676.
[27]Brown Jr L F,Fisher W L.Seismic stratigraphic interpreta-tion of depositional systems:examples from Brazilian rift andpull apart basins[C]∥Payton C E.Seismic Stratigraphy:Ap-plications to Hydrocarbon Exploration.[S.l.]:American As-sociation of Petroleum Geologists.Memoir.26.1977:213-248.
[28]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的概念[J].地球科学:中国地质大学学报,2000,25(3):260-266.
[29]林畅松,刘景彦,张燕梅.沉积盆地动力学与模拟研究[J].地学前缘,1998,5(增刊):119-125.
[30]郭少斌.陆相断陷盆地层序类型及隐蔽圈闭预测[J].地质科技情报,2006,25(5):15-20.
[31]郭泽清,刘卫红,张林,等.中国陆相岩性地层油气藏分布规律和控制因素研究进展[J].地质科技情报,2009,28(5):71-78.
[2]Vail P R,Mitchum R M Jr,Thompson SⅢ.Seismic stratig-raphy and global changes of sea level:Part 4.Global cycles ofrelative changes of sea level[C]∥Payton C E.Seismic stratig-raphy:Applications to hydrocarbon exploration.[S.l.]:A-merican Association of Petroleum Geologists,1977 Memoir26:83-97.
[3]Mitchum R M Jr,Vail P R,Thompson SⅢ.Seismic stratig-raphy and global changes of sea level:Part 2.The depositionalsequence as a basic unit for stratigraphic analysis[C]∥PaytonC E.Seismic stratigraphy:applications to hydrocarbon explo-ration.[S.l.]:American Association of Petroleum Geolo-gists,1977Memoir 26:53-62.
[4]Posamentier H W,Vail P R.Eustatic controls on clastic depo-sitionⅡ:Sequence and systems tract models[C]∥Wilgus CK,Hastings B S,Kendall C G St C,et al.Sea level changes:An integrated approach.special publication.Vol.42.[S.l.]:Society of Economic Paleontologists and Mineralogists,1988:125-154.
[5]Van Wagoner J C.Overview of sequence stratigraphy of fore-land basin deposits:terminology,summary of papers,andglossary of sequence stratigraphy[C]∥Van Wagoner J C,Ber-tram G T.Sequence stratigraphy of foreland basin deposits:Outcrop and subsurface examples from the cretaceous of northamerica.Memoir.Vol.64.[S.l.]:American Association ofPetroleum Geologists,1995:ix-xxi.
[6]Galloway W E.Genetic stratigraphic sequences in basin analy-sis:I.Architecture and genesis of flooding-surface boundeddepositional units[J].American Association of Petroleum Ge-ologists Bulletin,1989,73:125-142.
[7]Posamentier H W,Allen G P.Siliciclastic sequence stratigra-phy:Concepts and applications[C]∥Anon.Concepts in Sedi-mentology and Paleontology.Vol.7.[S.l.]:Society of Eco-nomic Paleontologists and Mineralogists.1999:210.
[8]Catuneanu O.Sequence stratigraphy of clastic systems:Con-cepts,merits,and pitfalls[J].Journal of African Earth Sci-ences,2002,35(1):1-43.
[9]Catuneanu O.Towards the standardization of sequence stratig-raphy[J].Earth-Science Reviews,2009,92:1-33.
[10]Lin Changsong,Kenneth Eriksson,Li Sitian,et al.Sequencearchitecture,depositional systems,and controls on develop-ment of lacustrine basin fills in part of the Erlian basin,north-east China[J].AAPG Bulletin,2001,85(11):2017-2043.
[11]顾家裕.陆相盆地层序地层学格架概念及模式[J].石油勘探与开发,1995,22(4):6-10.
[12]王鸿祯,史晓颖.沉积层序及海平面旋回的分类级别:旋回周期的成因讨论[J].现代地质,1998,12(1):1-16.
[13]梅冥相,杨欣德.强迫型海退及强迫型海退楔体系域:对传统Exxon层序地层学模式的修正[J].地质科技情报,2000,19(2):17-21.
[14]林畅松,张燕梅,刘景彦,等.高精度层序地层学与储层预测[J].地学前缘,2000,7(3):111-117.
[15]林畅松,刘景彦,刘丽军,等.高精度层序地层分析:建立沉积相和储层规模的等时地层格架[J].现代地质,2002,16(3):276-281.
[16]刘景彦,丁孝忠,邱以钢,等.新疆库车坳陷古近系苏维依组高精度层序地层及其发育的主控因素探讨[J].高校地质学报,2009,15(3):318-327.
[17]Van Wagoner J C,Mittchum R M,Campion K M,et al.Si-liciclastic sequence stratigraphy in well logs,cores and out-crops:concepts for high-resolution correlation of time and faci-es[J].AAPG,Methods in Exploration Series,1990(7):55.
[18]朱筱敏,董艳蕾,杨俊生,等.辽东湾地区古近系层序地层格架与沉积体系分布[J].中国科学:D辑,2008,38(增刊1):1-10.
[19]董艳蕾,朱筱敏,李德江,等.渤海湾盆地辽东湾地区古近系地震相研究[J].沉积学报,2007,25(4):554-563.
[20]吴建政,孙洪光,亓发庆,等.辽东湾北部晚更新世中期以来的地层结构及环境演化[J].海洋科学进展,2005,23(4):453-460.
[21]王元君,王峻,周心怀,等.辽东湾辽中凹陷中部古近系东营组震浊积岩特征研究[J].矿物岩石,2008,28(3):84-89.
[22]袁波,陈世悦,袁文芳,等.辽西凹陷欢喜岭地区沙河街组层序格架的建立[J].西南石油大学学报:自然科学版,2008,30(2):27-33.
[23]戴朝成,郑荣才,文华国,等.辽东湾盆地旅大地区古近系层序-岩相古地理编图[J].岩性油气藏,2008,20(1):39-46.
[24]蒋恕,蔡东生,朱筱敏,等.辽中凹陷中深层储层主控因素研究[J],石油天然气学报:江汉石油学院学报,2006,28(15):35-39.
[25]戴朝成,郑荣才,文华国,等.辽东湾盆地沙河街组湖相白云岩成因研究[J].成都理工大学学报:自然科学版,2008,35(2):187-193.
[26]李德江,朱筱敏,董艳蕾,等.辽东湾坳陷古近系沙河街组层序地层分析[J].石油勘探与开发,2007,34(6):669-676.
[27]Brown Jr L F,Fisher W L.Seismic stratigraphic interpreta-tion of depositional systems:examples from Brazilian rift andpull apart basins[C]∥Payton C E.Seismic Stratigraphy:Ap-plications to Hydrocarbon Exploration.[S.l.]:American As-sociation of Petroleum Geologists.Memoir.26.1977:213-248.
[28]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的概念[J].地球科学:中国地质大学学报,2000,25(3):260-266.
[29]林畅松,刘景彦,张燕梅.沉积盆地动力学与模拟研究[J].地学前缘,1998,5(增刊):119-125.
[30]郭少斌.陆相断陷盆地层序类型及隐蔽圈闭预测[J].地质科技情报,2006,25(5):15-20.
[31]郭泽清,刘卫红,张林,等.中国陆相岩性地层油气藏分布规律和控制因素研究进展[J].地质科技情报,2009,28(5):71-78.
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