哥伦比亚OMBU区古近系Em组层序地层研究
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摘要
综合利用地震、测井等地质资料,运用层序地层学方法和技术,建立了层序地层格架和对比模式,对研究区古近系Em组地层的发育展布特征以及沉积环境进行了研究。Em组顶底均为区域上的不整合面,内部划分为两期基准面升降体系域。构造运动和沉积物供应控制下的基准面升级使得沉积初期研究区发育辩状河-曲流河沉积体系,至晚期演变为曲流河沉积体系。
With the combination utilization of seismic,logging and other geological data,sequence stratigraphic framework and correlation model is established using sequence stratigraphy methods and techniques,distribution characteristics and depositional environment of the Paleogene Em Formation is further studied.The top and bottom of Em Fm.are both regional unconformity,two base-level systems tract is divided inside the formation.Tectonic movement and sediment supply control base level changes,pleading river-meandering river depositional system deposited at the beginning of Em,and meandering river systems dominated the whole area at late depositional period of Em.
With the combination utilization of seismic,logging and other geological data,sequence stratigraphic framework and correlation model is established using sequence stratigraphy methods and techniques,distribution characteristics and depositional environment of the Paleogene Em Formation is further studied.The top and bottom of Em Fm.are both regional unconformity,two base-level systems tract is divided inside the formation.Tectonic movement and sediment supply control base level changes,pleading river-meandering river depositional system deposited at the beginning of Em,and meandering river systems dominated the whole area at late depositional period of Em.
引文
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王伟,张世奇,纪友亮.2007.青坨子凸起馆陶组地震相研究.断块油气田,14(1):16-18
Carlos A V,Luís G P&Montes L.2007.Seismic structure ofSouth-Central Andes of Colombia by tomographic inversion.Geofisica Internacional,46(2):117-127
Dengo C A&Covey M C.1993.Structure of the Eastern Cordilleraof Colombia:implications for trap styles and regional tectonics.American Association of Petroleum Geologists Bulletin,77(8):1315-1337
Graham S A,Hendrix M S,Johnson C L,Badamgarav D,BadarchG,Amory J,Porter M,Barsbold R,Webb L E&Hacker B R.2001.Sedimentary record and tectonic implications of LateMesozoic rifting,southeast Mongolia.Geological Society of A-merica Bulletin,113:1560-1579
Keith W S&McCabe P J.1994.Perspectives on the sequence stra-tigraphy of continental strata.AAPG Bulletin,78(4):544-568
Marksteiner R&Aleman A M.1996.Petroleum systems along thefold belt associated to the Maranon-Oriente-Putumayo forelandbasins.American Association of Petroleum Geologists Bulletin,80(8):1311
Traynor J J&Sladen C.1995.Tectonic and stratigraphic evolutionof the Mongolian People’s Republic and its influence on hydro-carbon geology and potential.Marine and Petroleum Geology,12:35-52
纪友亮,张世奇.1998.层序地层学原理及层序成因机制模式.北京:地质出版社.190-194
李东海,姜在兴,李继山.2003.济阳坳陷东部新近系馆陶组下段辫状河三角洲沉积研究.石油大学学报(自然科学版),27(3):10-13
刘仁君,戴启德,刘良叔等.1998.孤东油田储层研究与开发.北京:石油工业出版社.1-10
鲁广军.2004.胜利油区孤南洼陷古新近系充填层序与沉积环境.沉积与特提斯地质.24(1):97-104
帅德福,王秉海等.1993.中国石油地质志卷六.北京:石油工业出版社.227-252
王伟.2009.东营凹馅青坨子凸起馆陶组沉积相演化特征及相模式.石油与天然气学报,31(3):167-170
王伟,崔晓朵,张欣.2010a.东辛油田营8断块区精细构造解释.石油天然气学报,32(6):204-207
王伟,张欣,张丽艳.2010b.蒙古国宗巴音油田查干组沉积相研究.天然气勘探与开发,33(3):1-9
王伟,张世奇,纪友亮.2007.青坨子凸起馆陶组地震相研究.断块油气田,14(1):16-18
Carlos A V,Luís G P&Montes L.2007.Seismic structure ofSouth-Central Andes of Colombia by tomographic inversion.Geofisica Internacional,46(2):117-127
Dengo C A&Covey M C.1993.Structure of the Eastern Cordilleraof Colombia:implications for trap styles and regional tectonics.American Association of Petroleum Geologists Bulletin,77(8):1315-1337
Graham S A,Hendrix M S,Johnson C L,Badamgarav D,BadarchG,Amory J,Porter M,Barsbold R,Webb L E&Hacker B R.2001.Sedimentary record and tectonic implications of LateMesozoic rifting,southeast Mongolia.Geological Society of A-merica Bulletin,113:1560-1579
Keith W S&McCabe P J.1994.Perspectives on the sequence stra-tigraphy of continental strata.AAPG Bulletin,78(4):544-568
Marksteiner R&Aleman A M.1996.Petroleum systems along thefold belt associated to the Maranon-Oriente-Putumayo forelandbasins.American Association of Petroleum Geologists Bulletin,80(8):1311
Traynor J J&Sladen C.1995.Tectonic and stratigraphic evolutionof the Mongolian People’s Republic and its influence on hydro-carbon geology and potential.Marine and Petroleum Geology,12:35-52
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