西非陆坡区深水复合水道沉积构型模式
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摘要
依据浅层高频地震和深层钻井资料,通过分析地震相外部几何形态、内部反射特征以及相干体属性地层切片,对西非陆坡深水区复合浊积水道的沉积构型模式进行研究。结果表明:西非陆坡深水区复合浊积水道沉积构型模式可概括为复合水道间的垂向叠置模式和侧向叠置模式、复合水道内部单一水道间的平面迁移模式和剖面迁移模式;复合水道间的垂向叠置模式包括孤立式、叠加式和切叠式3种类型,侧向叠置模式包括叠合式和分离式两种类型;复合水道内部单一水道间存在侧向和沿古流向两种迁移模式。
Based on shallower-layer high resolution 3D seismic data and deep-layer drilling data,the sedimentary architecture model of turbidite channel complexes in deepwater slope area of West African was studied by the research of external morphology,the internal amplitude characteristics of seismic facies,as well as the analysis of coherence cube stratigraphic slices.The results show that the model can be generalized for two types.One is vertical and lateral stacked patterns between channel complexes,and the other is plan and section migration patterns of single channel in the same channel complexes.For different channel complexes,the vertical stacked model includes three types of isolated,superimposed and incised patterns.And the lateral stacked model includes two types of overlapped and separated patterns.For one channel complex,there are two migration types of lateral and downdip between single channels.
Based on shallower-layer high resolution 3D seismic data and deep-layer drilling data,the sedimentary architecture model of turbidite channel complexes in deepwater slope area of West African was studied by the research of external morphology,the internal amplitude characteristics of seismic facies,as well as the analysis of coherence cube stratigraphic slices.The results show that the model can be generalized for two types.One is vertical and lateral stacked patterns between channel complexes,and the other is plan and section migration patterns of single channel in the same channel complexes.For different channel complexes,the vertical stacked model includes three types of isolated,superimposed and incised patterns.And the lateral stacked model includes two types of overlapped and separated patterns.For one channel complex,there are two migration types of lateral and downdip between single channels.
引文
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[25]RICHARD L.Integrated three-dimensional modeling ap-proach of stacked turbidite channels[J].AAPG Bulle-tin,2007,91(11):1603-1618.
[26]SLATT R M.Stratigraphic reservoir characterization for petroleum geologists,geophysicists and enginees[M].Netherlands:Elsevier Science,2006:359-362.
[27]赵晓明,吴胜和,岳大力,等.深水海底扇储层构型浅析——以西非某油田为例[C]//王涛,贾承造,庞雄奇,等.第五届油气成藏机理与油气资源评价国际学术研讨会论文集.北京:石油工业出版社,2010:722-728.
[28]李冬,王英民,王永凤,等.红河深水扇沉积物重力流特征[J].中国石油大学学报:自然科学版,2011,35(1):13-19.LI Dong,WANG Ying-min,WANG Yong-feng,et al.Characteristics of sediment-gravity flows in Red River deep-water fan[J].Journal of China University of Petro-leum(Edition of Natural Science),2011,35(1):13-19.
[2]BOUMA A H.Introduction to submarine fans and related turbidite systems[C]//BOUMA A H,NORMARK W R,BARNES N E.Submarine fans and related turbidite sys-tems.New York:Springer-Verlag,1985:3-5.
[3]HAGEN R A,BERGERSEN D D,MOBERLY R,et al.Morphology of a large meandering submarine canyon sys-tem in the Peru-Chile forearc[J].Journal of Marine Ge-ology,1994,119(1/2):7-38.
[4]READING H G,RICHARDS M.Turbidite systems in deep-water basin margins classified by grain size and feeder system[J].AAPG Bulletin,1994,78(5):213-235.
[5]PRATHER B E,BOOTH J R,STEFFENS G S,et al.Classification,lithologic calibration,and stratigraphic succession of seismic facies of intraslope basins,deep-water Gulf of Mexico[J].AAPG Bulletin,1998,82(5A):701-728.
[6]BOOTH J R,DEAN M C,DUVERNAY Iii A E,et al.Paleo-bathymetric controls on the stratigraphic architec-ture and reservoir development of confined fans in the Au-ger Basin:central gulf of Mexico[J].Marine and Petro-leum Geology,2003,20(6/8):563-586.
[7]LAMB M P,HICKSON T,MARR J G,et al.Surging versus continuous turbidity currents:flow dynamics anddeposits in an experimental intraslope basin[J].Journal of Sedimentary Research,2004,74(1):148-155.
[8]VIOLET J,SHEETS B,PRATSON L,et al.Experiment on turbidity currents and their deposits in a model3D subsiding minibasin[J].Journal of Sedimentary Re-search,2005,75(5):820-843.
[9]ANTOBREH A A,KRASTEL S.Morphology,seismic characteristics and development of Cap Timiris Canyon,offshore Mauritania:a newly discovered canyon preserved off a major arid climatic region[J].Marine and Petrole-um Geology,2006,23(1):37-59.
[10]WOOD L J,MIZE-SPANSKY K L.Quantitative seismic geomorphology of a Quaternary leveed-channel system,offshore eastern Trinidad and Tobago,northeastern South America[J].AAPG Bulletin,2009,93(1):101-125.
[11]吕明,王颖,陈莹.尼日利亚深水区海底扇沉积模式成因探讨及勘探意义[J].中国海上油气,2008,20(4):275-282.LMing,WANG Ying,CHEN Ying.A discussion on origins of submarine fan deposition model and its explo-ration significance in Nigeria deep-water area[J].China Offshore Oil and Gas,2008,20(4):275-282.
[12]李磊,王英民,黄志超,等.尼日尔三角洲深水区层序地层及地震相研究[J].沉积学报,2008,26(3):407-416.LI Lei,WANG Ying-min,HUANG Zhi-chao,et al.Study on sequence stratigraphy and seismic facies in deep-water Niger Delta[J].Acta Sedimentologica Sini-ca,2008,26(3):407-416.
[13]ADEOGBA A A,MCHARGUE T R,GRAHAM S A.Transient fan architecture and depositional controls from near-surface3-D seismic data,Niger Delta continental slope[J].AAPG Bulletin,2005,89(5):627-643.
[14]HARVEY A C,MCCLAY K.Sedimentation and shale tectonics of the northwestern Niger Delta front[J].Ma-rine and Petroleum Geology,1996,13(3):313-328.
[15]CORREDOR F,SHAW J H,BILOTTI F.Structural styles in the deep-water fold and thrust belts of the Ni-ger Delta[J].AAPG Bulletin,2005,89(6):753-780.
[16]SHORT K C,STAUBLE A J.Outline of geology of Ni-ger Delta[J].AAPG Bulletin,1967,51(5):761-799.
[17]WEIMER P.Sequence stratigraphy of the Mississippi fan(Plio-Pleistocene),gulf of Mexico[J].Geo-Ma-rine Letters,1989,9(4):185-272.
[18]BEAUBOUEF R T,FRIEDMANN S J.High-resolution seismic/sequence stratigraphic framework for the evolu-tion of Pleistocene intra slope basins,western gulf of Mexico:depositional models and reservoir analogs[C]//WEIMER P,SLATT R M,COLEMAN J,et al.Deep-water reservoirs of the world.Houston:Gulf Coast Section SEPM20th Annual Research Conference,2000:40-60.
[19]DEPTUCK M E,STEFFANS G S,BARTON M.Archi-tecture and evolution of upper fan channel-belts on the Niger Delta slope and in the Arabian Sea[J].Marine and Petroleum Geology,2003,20(6/8):649-676.
[20]MOSCARDELLI L,AL E.Mass-transport complexes and associated processes in the offshore area of Trinidad and Venezuela[J].AAPG Bulletin,2006,90(7):1059-1088.
[21]王大伟,吴时国,吕福亮,等.南海深水块体搬运沉积体系及其油气勘探意义[J].中国石油大学学报:自然科学版,2011,35(5):14-19.WANG Da-wei,WU Shi-guo,LFu-liang,et al.Mass transport deposits and its significance for oil&gas ex-ploration in deep-water regions of South China Sea[J].Journal of China University of Petroleum(Edition of Nat-ural Science),2011,35(5):14-19.
[22]ZENG Hong-liu,STEPHEN C H,JOHN P R.Stratalslicing(Ⅱ):real3-D seismic data[J].Geophysics,1998,63(2):514-522.
[23]ZENG Hong-liu,BARROW K T,TYLER N,et al.Stratal slicing(Ⅰ):realistic3-D seismic model[J].Geophysics,1998,63(2):502-513.
[24]ZENG Hong-liu.Stratal slicing:benefits and challenges[J].The Leading Edge,2010,29(9):1040-1047.
[25]RICHARD L.Integrated three-dimensional modeling ap-proach of stacked turbidite channels[J].AAPG Bulle-tin,2007,91(11):1603-1618.
[26]SLATT R M.Stratigraphic reservoir characterization for petroleum geologists,geophysicists and enginees[M].Netherlands:Elsevier Science,2006:359-362.
[27]赵晓明,吴胜和,岳大力,等.深水海底扇储层构型浅析——以西非某油田为例[C]//王涛,贾承造,庞雄奇,等.第五届油气成藏机理与油气资源评价国际学术研讨会论文集.北京:石油工业出版社,2010:722-728.
[28]李冬,王英民,王永凤,等.红河深水扇沉积物重力流特征[J].中国石油大学学报:自然科学版,2011,35(1):13-19.LI Dong,WANG Ying-min,WANG Yong-feng,et al.Characteristics of sediment-gravity flows in Red River deep-water fan[J].Journal of China University of Petro-leum(Edition of Natural Science),2011,35(1):13-19.
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