北部湾盆地西部地区涠洲组层序及沉积体系分析
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摘要
在层序地层理论指导下,借助高分辨率三维地震资料,利用地震沉积学研究手段,分析研究了北部湾盆地西部地区主要目的层段涠洲组层序及沉积体系展布规律。结果表明,研究区具有多(双)断控型层序构型,涠西南低凸起的存在对于沉积体系分配具有重要的控制作用。结合古地形分析,认为涠洲组沉积时期物源来自三个方向,形成典型的多向三角洲朵体,其中三角洲前缘坝和远端砂是潜在的有利对象,由此提出了有利砂体发育预测模型。
Under the guidance of the sequence stratigraphy theory,with high-resolution 3-D seismic data and seismic sedimentology methods,the sequence stratigraphy and the depositional system distribution of the main target Weizhou Fm in the western part of Beibuwan Basin have been studied.It is revealed by the study results that the sequence stratigraphic framework in this area is controlled by the double(multi) faults,and the Weixinan low uplift is very important for the distribution of depositional system.During the sedimentation period of Weizhou Fm,the provenance comes from three directions,and wide range of typical delta lobes are well developed,of which delta front bar and distal sands are potential favorable exploration targets.On the basis of this study result,the model for prediction of favorable sand is put forward.
Under the guidance of the sequence stratigraphy theory,with high-resolution 3-D seismic data and seismic sedimentology methods,the sequence stratigraphy and the depositional system distribution of the main target Weizhou Fm in the western part of Beibuwan Basin have been studied.It is revealed by the study results that the sequence stratigraphic framework in this area is controlled by the double(multi) faults,and the Weixinan low uplift is very important for the distribution of depositional system.During the sedimentation period of Weizhou Fm,the provenance comes from three directions,and wide range of typical delta lobes are well developed,of which delta front bar and distal sands are potential favorable exploration targets.On the basis of this study result,the model for prediction of favorable sand is put forward.
引文
[1]Cross T A,Baker M R,Chapin M A,et al.Applications of high-resolution sequence stratigraphy to reservoir analysis[C]//Eschard R and Doligez B,(eds).Subsurface reservoir characterization from outcrop observation,proceedings of the 7th Exploration and production research conference.1993:11-33.
[2]Vail P R,Bowman S A,Eisner P N,et al.The stratigraphic signatures of tectonics,eustasy and sedimentology-an overview[C]//Einsele G et al(eds).Cycles and events in stratigraphy.Springer-Verlag Berlin Heidelberg,1991:617-659.
[3]Van Wagoner J C.Sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata,Book cliffs,Utah, USA[C]//Van Wagoner J C,Bertram G T,eds.Sequence stratigraphy of foreland basin deposits:outcrop and subsurface examples from the Cretaceous of North America.AAPG Memoir, 1995,64:137-223.
[4]Miall A D,Miall C E.Sequence stratigraphy as a scientific enterprise:the evolution and persistence of conflicting paradigms[J].Earth-Science Review,2001,54(4):321-348.
[5]Catuneanu O.Sequence stratigraphy of clastic systems:concepts, merits,and pitfalls[J].Journal of African Earth Sciences,2002, 35(1):1-43.
[6]Catuneanu O,Abreu V,Bhattacharya J P,et al.Towards the standardization of sequence stratigraphy[J].Earth-Science Review,2009,92(1-2):1-33.
[7]李思田,杨士恭,林畅松.论沉积盆地的等时地层格架和基本建造单元[J].沉积学报,1992,10(4):11-22.
[8]李思田,林畅松,解习农,等.大型陆相盆地层序地层学研究[J].地学前缘,1995,2(3-4):133-136.
[9]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概念[J].地球科学,2000,25(3): 260-266.
[10]李思田,潘元林,陆永潮.断陷湖盆隐蔽油藏预测及勘探的关键技术——高精度地震探测基础上的层序地层学研究[J]地球科学,2002,27(5):592-598.
[11]蔡希源,李思田.陆相盆地高精度层序地层学[M].北京:地质出版社,2003.
[12]潘元林,张善文,肖焕钦,等.济阳断陷盆地隐蔽油气藏勘探[M].北京:石油工业出版社,2003.
[13]陆永潮,杜学斌,陈平.油气精细勘探的主要方法体系——地震沉积学研究[J].石油实验地质,2008,30(1):1-5.
[14]卢林,汪企浩,黄建军.北部湾盆地涠西南和海中凹陷新生代局部构造演化史[J].海洋石油,2007,27(1):25-29.
[15]孙文钊,王传雷,杨希滨.北部湾盆地涠西南凹陷始新统隐蔽油气藏类型及勘探方向[J].天然气地球科学,2007,18(1): 84-88.
[16]赵军,洪庆玉,董伟良.北部湾涠西南凹陷物源方向及古地理景观分析[J].石油学报,2001,28(5):25-28.
[17]朱伟林,江文荣.北部湾盆地涠西南凹陷断裂与油气藏[J].石油学报,1998,19(3):6-10.
[18]孙建峰,须雪豪,席敏红.北部湾盆地海中凹陷油气成藏条件分析[J].海洋石油,2008,28(2):36-39.
[19]胡忠良.北部湾盆地涠西南凹陷超压系统与油气运移[J].地学前缘,2000,7(3):73-79.
[20]孟令箭,童亨茂,蔡东升,等.北部湾盆地涠西南凹陷断裂系统成因的砂箱实验研究及启示[J].高校地质学报,2009,15(2): 246-255.
[2]Vail P R,Bowman S A,Eisner P N,et al.The stratigraphic signatures of tectonics,eustasy and sedimentology-an overview[C]//Einsele G et al(eds).Cycles and events in stratigraphy.Springer-Verlag Berlin Heidelberg,1991:617-659.
[3]Van Wagoner J C.Sequence stratigraphy and marine to nonmarine facies architecture of foreland basin strata,Book cliffs,Utah, USA[C]//Van Wagoner J C,Bertram G T,eds.Sequence stratigraphy of foreland basin deposits:outcrop and subsurface examples from the Cretaceous of North America.AAPG Memoir, 1995,64:137-223.
[4]Miall A D,Miall C E.Sequence stratigraphy as a scientific enterprise:the evolution and persistence of conflicting paradigms[J].Earth-Science Review,2001,54(4):321-348.
[5]Catuneanu O.Sequence stratigraphy of clastic systems:concepts, merits,and pitfalls[J].Journal of African Earth Sciences,2002, 35(1):1-43.
[6]Catuneanu O,Abreu V,Bhattacharya J P,et al.Towards the standardization of sequence stratigraphy[J].Earth-Science Review,2009,92(1-2):1-33.
[7]李思田,杨士恭,林畅松.论沉积盆地的等时地层格架和基本建造单元[J].沉积学报,1992,10(4):11-22.
[8]李思田,林畅松,解习农,等.大型陆相盆地层序地层学研究[J].地学前缘,1995,2(3-4):133-136.
[9]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概念[J].地球科学,2000,25(3): 260-266.
[10]李思田,潘元林,陆永潮.断陷湖盆隐蔽油藏预测及勘探的关键技术——高精度地震探测基础上的层序地层学研究[J]地球科学,2002,27(5):592-598.
[11]蔡希源,李思田.陆相盆地高精度层序地层学[M].北京:地质出版社,2003.
[12]潘元林,张善文,肖焕钦,等.济阳断陷盆地隐蔽油气藏勘探[M].北京:石油工业出版社,2003.
[13]陆永潮,杜学斌,陈平.油气精细勘探的主要方法体系——地震沉积学研究[J].石油实验地质,2008,30(1):1-5.
[14]卢林,汪企浩,黄建军.北部湾盆地涠西南和海中凹陷新生代局部构造演化史[J].海洋石油,2007,27(1):25-29.
[15]孙文钊,王传雷,杨希滨.北部湾盆地涠西南凹陷始新统隐蔽油气藏类型及勘探方向[J].天然气地球科学,2007,18(1): 84-88.
[16]赵军,洪庆玉,董伟良.北部湾涠西南凹陷物源方向及古地理景观分析[J].石油学报,2001,28(5):25-28.
[17]朱伟林,江文荣.北部湾盆地涠西南凹陷断裂与油气藏[J].石油学报,1998,19(3):6-10.
[18]孙建峰,须雪豪,席敏红.北部湾盆地海中凹陷油气成藏条件分析[J].海洋石油,2008,28(2):36-39.
[19]胡忠良.北部湾盆地涠西南凹陷超压系统与油气运移[J].地学前缘,2000,7(3):73-79.
[20]孟令箭,童亨茂,蔡东升,等.北部湾盆地涠西南凹陷断裂系统成因的砂箱实验研究及启示[J].高校地质学报,2009,15(2): 246-255.
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