黄骅坳陷北大港构造带沙河街组沉积体系定量研究
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摘要
针对陆相湖盆沉积特征,以TACross高分辨率层序地层学理论为指导,在大量岩心、测井和地震资料研究的基础上,定量研究了黄骅坳陷北大港构造带沙河街组沉积体系和沉积物源特征,确定了沙河街组沉积时期总体发育近岸水下扇、滩坝、深水重力流水道、扇三角洲前缘和滑塌浊积扇等主要沉积相类型。中期基准面旋回A-D层序沉积时期发育近岸水下扇和扇三角洲前缘—前扇三角洲—滑塌浊积扇沉积体系;中期基准面旋回E-F层序沉积期间发育有利于油气储集的近岸水下扇和滩坝砂体;中期基准面旋回G层序沉积时期主要发育重力流主水道—重力流水道侧缘以及近岸水下扇沉积砂体;中期基准面旋回H层序沉积时期主要发育重力流主水道—重力流水道侧缘沉积体系。最后,预测了有利岩性圈闭发育的沉积相带和地区。
Quantitative studies on depositional systems and material provenances have been made,and the sedimentary facies types including the nearshore subaqueous fan,lake beach bar,deep water gravity flow channel,fan delta front and sliding turbidity fan were developed during the deposition of the Shahejie Formation in the Beidagang structural belt in the Huanghua Depression,based on the analyses of core,well logs and seismic data by the guidance of Cross's theory of high resolution sequence stratigraphy. Nearshore subaqueous fan-fan delta-turbidity fan depositional systems were developed during the deposition of the middle term base level cycles A-D. Some nearshore subaqueous fan and lake beach-bar sandbodies which are favorable for petroleum accumulation were developed during the deposition of the middle term base level cycles E-F. Gravity flow channel and nearshore subaqueous fan were developed during the deposition of the middle term base level cycle G. Only gravity flow channel-channel side was developed during the deposition of the middle term base level cycle H. The favorable depositional systems and developing areas for lithologic traps have been predicted.
Quantitative studies on depositional systems and material provenances have been made,and the sedimentary facies types including the nearshore subaqueous fan,lake beach bar,deep water gravity flow channel,fan delta front and sliding turbidity fan were developed during the deposition of the Shahejie Formation in the Beidagang structural belt in the Huanghua Depression,based on the analyses of core,well logs and seismic data by the guidance of Cross's theory of high resolution sequence stratigraphy. Nearshore subaqueous fan-fan delta-turbidity fan depositional systems were developed during the deposition of the middle term base level cycles A-D. Some nearshore subaqueous fan and lake beach-bar sandbodies which are favorable for petroleum accumulation were developed during the deposition of the middle term base level cycles E-F. Gravity flow channel and nearshore subaqueous fan were developed during the deposition of the middle term base level cycle G. Only gravity flow channel-channel side was developed during the deposition of the middle term base level cycle H. The favorable depositional systems and developing areas for lithologic traps have been predicted.
引文
陈纯芳,郑浚茂,王德发.2001.板桥凹陷沙三段沉积体系与物源分析[J].古地理学报,3(1):55-62.
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范乐元,朱筱敏,宋鲲.2004.黄骅坳陷北大港构造带古近系沙河街组高分辨率层序地层格架及其对储集层非均质性的控制[J].地层学杂志,29(4):355-361.
宋鹍,吴胜和,朱文春,等.2005.黄骅坳陷唐家河油田古近系沙河街组沙一段下部储层质量研究[J].古地理学报,7(2):275-282.
王德发,张服民.1987.黄骅坳陷第三系沉积相及沉积环境[M].北京:地质出版社,1-180.
许淑敏,崔世奎,李三忠,等.2001.歧口凹陷滩海区下第三系层序地层分析及沉积体系研究[J].沉积学报,19(3):363-367.
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Chen Chunfang,Zheng Junmao,Wang Defa.2001.Depositional systemsand source provenance of the third member in Shahejie Formation inBanqiao Sag[J].Journal of Palaeogeography,3(1):55-62(inChinese with English abstract).
Cross T A.1994.High-resolution stratigraphic correlation from the per-spective of base-level cycles and sediment accommodation[C].In:Proceedings of Northwestern European Sequence Stratigraphy Con-gress,105-123.
Deng Hongwen.1995.High resolution sequence stratigraphy:New theoof sequence stratigraphy in US[J].Oil&Gas Geology,2(2):8997(in Chinese with English abstract).
Fan Leyuan,Zhu Xiaomin,Song Kun.2004.The high-resolution sequencestratigraphic framework in Shahejie Formation and its control on thereservoir inhomogeneity in Beidagang tectonic belt,Huanghua sag[J].Journal of Stratigraphy,29(4):355-361(in Chinese withEnglish abstract).
Song Kun,Wu Shenghe,Zhu Wenchun,et al.2005.Reservoir quality of the lower part of Member1of Shahejie Formation of Paleogene inTangjiahe Oilfield,Huanghua Depression[J].Journal of Palaeo-geography,7(2):275-282(in Chinese with English abstract).
Wang Defa,Zhang Fumin.1987.Sedimentary Facies and Environment ofPaleogene in Huanghua Sag[M].Beijing:Geological PublishingHouse,1-180(in Chinese).
Xu Shumin,Cui Shikui,Li Sanzhong,et al.2001.Study on Paleogene se-quence stratigraphy and depositional systems in Qikou depression[J].Acta Sedimentologica Sinica,19(3):363-367(in Chinesewith English abstract).
Zhu Xiaomin.2000.Sequence Stratigraphy[M].Shandong Dongying:Press of China University of Petroleum,1-207(in Chinese).
邓宏文.1995.美国层序地层研究中的新学派——高分辨率层序地层学[J].石油与天然气地质,2(2):89-97.
范乐元,朱筱敏,宋鲲.2004.黄骅坳陷北大港构造带古近系沙河街组高分辨率层序地层格架及其对储集层非均质性的控制[J].地层学杂志,29(4):355-361.
宋鹍,吴胜和,朱文春,等.2005.黄骅坳陷唐家河油田古近系沙河街组沙一段下部储层质量研究[J].古地理学报,7(2):275-282.
王德发,张服民.1987.黄骅坳陷第三系沉积相及沉积环境[M].北京:地质出版社,1-180.
许淑敏,崔世奎,李三忠,等.2001.歧口凹陷滩海区下第三系层序地层分析及沉积体系研究[J].沉积学报,19(3):363-367.
朱筱敏.2000.层序地层学[M].山东东营:石油大学出版社,1-207.
Chen Chunfang,Zheng Junmao,Wang Defa.2001.Depositional systemsand source provenance of the third member in Shahejie Formation inBanqiao Sag[J].Journal of Palaeogeography,3(1):55-62(inChinese with English abstract).
Cross T A.1994.High-resolution stratigraphic correlation from the per-spective of base-level cycles and sediment accommodation[C].In:Proceedings of Northwestern European Sequence Stratigraphy Con-gress,105-123.
Deng Hongwen.1995.High resolution sequence stratigraphy:New theoof sequence stratigraphy in US[J].Oil&Gas Geology,2(2):8997(in Chinese with English abstract).
Fan Leyuan,Zhu Xiaomin,Song Kun.2004.The high-resolution sequencestratigraphic framework in Shahejie Formation and its control on thereservoir inhomogeneity in Beidagang tectonic belt,Huanghua sag[J].Journal of Stratigraphy,29(4):355-361(in Chinese withEnglish abstract).
Song Kun,Wu Shenghe,Zhu Wenchun,et al.2005.Reservoir quality of the lower part of Member1of Shahejie Formation of Paleogene inTangjiahe Oilfield,Huanghua Depression[J].Journal of Palaeo-geography,7(2):275-282(in Chinese with English abstract).
Wang Defa,Zhang Fumin.1987.Sedimentary Facies and Environment ofPaleogene in Huanghua Sag[M].Beijing:Geological PublishingHouse,1-180(in Chinese).
Xu Shumin,Cui Shikui,Li Sanzhong,et al.2001.Study on Paleogene se-quence stratigraphy and depositional systems in Qikou depression[J].Acta Sedimentologica Sinica,19(3):363-367(in Chinesewith English abstract).
Zhu Xiaomin.2000.Sequence Stratigraphy[M].Shandong Dongying:Press of China University of Petroleum,1-207(in Chinese).
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