鄂尔多斯盆地三叠系延长组层序地层特征新认识
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摘要
在现代沉积学和层序地层学理论的指导下,综合利用沉积环境标志、露头剖面、岩芯、测井、地震和古生物等资料,通过层序界面的识别和划分,认为鄂尔多斯盆地三叠系延长组划分为5个三级沉积层序更为合理。根据延长组旋回特征和体系域的发育情况,分析了沉积旋回的边界及演化特征和层序对延长组生储盖层配置关系的控制作用。
Guided by the principles of modern sedimentology and sequence stratigraphy and based on comprehensively analysis of depositional environment indicators, outcrop sections, lithologies, well logs, seismic and paleontological data, the Triassic Yanchang Formation in the Ordos Basin is divided into five third-order sedimentary sequences separated by recognizable sequence boundaries . The characteristics of sedimentary cycles and evolution of systems tracts, as well as the implications for source rock and reservoir development, are discussed.
Guided by the principles of modern sedimentology and sequence stratigraphy and based on comprehensively analysis of depositional environment indicators, outcrop sections, lithologies, well logs, seismic and paleontological data, the Triassic Yanchang Formation in the Ordos Basin is divided into five third-order sedimentary sequences separated by recognizable sequence boundaries . The characteristics of sedimentary cycles and evolution of systems tracts, as well as the implications for source rock and reservoir development, are discussed.
引文
邓新华.1993.层序地层学的新动向.地球科学———中国地质大学学报,18(4):511—513
李凤杰,王多云.2006.鄂尔多斯盆地西蜂油田延长组高分辨率层序地层学研究.天然气地球科学,17(3):339—343
李凤杰,王多云,张庆龙,徐旭辉.2006.鄂尔多斯盆地陇东地区延长组沉积相特征与层序地层分析.沉积学报,24(4):549—554
王宏波,郑希民,冯明.2006.鄂尔多斯盆地三叠系延长组层序地层与生储盖组合特征.天然气地球科学,17(5):678—681
王鸿祯等.2000.中国层序地层研究.广州:广东科技出版社.1—457
吴志宇,赵虹,李文厚,李强.2005.安塞地区延长组层序地层征.天然气地球科学,16(2):190—193
张义楷,孙伟.2006.盘古梁长6油层组高分辨率层序地层分析对比.煤田地质与勘探,34(2):5—8
赵宏刚,陈全红,王文武,韩文哲,杨燕.2003.鄂尔多斯盆地南部上三叠统层序地层学研究.西北地质,36(4):35—38
Deng Xin-hua.1993.Newdevelopment trend of sequence stratigra-phy.Earth Science:Journal of China University of Geosci-ences,18(4):511—513
Li Feng-jie&Wang Duo-yun.2006.The high-resolution sequencestratigraphic feature of Yanchang Formation in Xifeng oilfield,Ordos Basin.Natural Gas Geoscience,17(3):339—343
Li Feng-jie,Wang Duo-yun,Zhang Qing-long&Xu Xu-hui.2006.Sedi mentary facies characteristic and squence stratigraphy anal-ysis of Yanchang Formation in Longdong Area,Ordos Basin.Acta Sedinentologica Sinica,24(4):549—554
Wang Hong-bo,Zheng Xi-min&Feng Ming.2006.Sequence stra-tigraphy and sources-reservoir-cap assemblages of YanchangFormationin Ordos Basin.Natural Gas Geoscience,17(5):678—681
Wang Hong-zhen ed.2000.Research of sequence strategraphy inchina.Guangzhou:Guangdong Science and Technology Press.1—457
Wu Zhi-yu,Zhao Hong,Li Wen-hou&Li Qiang.2005.Squencestratigraphy of Yanchang Formation in Ansai district.NaturalGas Geoscience,16(2):190—193
Zhang Yi-kai&Sun Wei.2006.Analysis of high-resolution sequencestratigraphy of Chang-6Oil Reservoir Set.Coal Geology andExploration,34(2):5—8
Zhao Hong-gang,Chen Quan-hong,Wang Wen-wu,Han Wen-zhe&Yang Yan.2003.Research on sequecene stratigraphy of theUpper Triassic in the South Odors basin.Northwest Geology,36(4):35—38
李凤杰,王多云.2006.鄂尔多斯盆地西蜂油田延长组高分辨率层序地层学研究.天然气地球科学,17(3):339—343
李凤杰,王多云,张庆龙,徐旭辉.2006.鄂尔多斯盆地陇东地区延长组沉积相特征与层序地层分析.沉积学报,24(4):549—554
王宏波,郑希民,冯明.2006.鄂尔多斯盆地三叠系延长组层序地层与生储盖组合特征.天然气地球科学,17(5):678—681
王鸿祯等.2000.中国层序地层研究.广州:广东科技出版社.1—457
吴志宇,赵虹,李文厚,李强.2005.安塞地区延长组层序地层征.天然气地球科学,16(2):190—193
张义楷,孙伟.2006.盘古梁长6油层组高分辨率层序地层分析对比.煤田地质与勘探,34(2):5—8
赵宏刚,陈全红,王文武,韩文哲,杨燕.2003.鄂尔多斯盆地南部上三叠统层序地层学研究.西北地质,36(4):35—38
Deng Xin-hua.1993.Newdevelopment trend of sequence stratigra-phy.Earth Science:Journal of China University of Geosci-ences,18(4):511—513
Li Feng-jie&Wang Duo-yun.2006.The high-resolution sequencestratigraphic feature of Yanchang Formation in Xifeng oilfield,Ordos Basin.Natural Gas Geoscience,17(3):339—343
Li Feng-jie,Wang Duo-yun,Zhang Qing-long&Xu Xu-hui.2006.Sedi mentary facies characteristic and squence stratigraphy anal-ysis of Yanchang Formation in Longdong Area,Ordos Basin.Acta Sedinentologica Sinica,24(4):549—554
Wang Hong-bo,Zheng Xi-min&Feng Ming.2006.Sequence stra-tigraphy and sources-reservoir-cap assemblages of YanchangFormationin Ordos Basin.Natural Gas Geoscience,17(5):678—681
Wang Hong-zhen ed.2000.Research of sequence strategraphy inchina.Guangzhou:Guangdong Science and Technology Press.1—457
Wu Zhi-yu,Zhao Hong,Li Wen-hou&Li Qiang.2005.Squencestratigraphy of Yanchang Formation in Ansai district.NaturalGas Geoscience,16(2):190—193
Zhang Yi-kai&Sun Wei.2006.Analysis of high-resolution sequencestratigraphy of Chang-6Oil Reservoir Set.Coal Geology andExploration,34(2):5—8
Zhao Hong-gang,Chen Quan-hong,Wang Wen-wu,Han Wen-zhe&Yang Yan.2003.Research on sequecene stratigraphy of theUpper Triassic in the South Odors basin.Northwest Geology,36(4):35—38
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