川西邛崃县白马庙气田上侏罗统蓬莱镇组高分辨率层序地层分析
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摘要
以高分辨率层序地层学理论及其技术方法为指导,通过地表露头、岩心、测井和地震资料的综合分析,在白马庙气田上侏罗统蓬莱镇组识别出3类不同成因类型和发育规模的层序界面、3个级别的湖泛面,划分出2个长期、6个中期、38～40个短期基准面旋回层序,并对不同级次旋回层序的特征进行了详细讨论。同时,发现中期基准面旋回层序近顶部的薄层灰岩和钙质泥岩也是识别中期基准面旋回的重要标志之一。在此基础上,运用旋回等时对比法则对各级次旋回层序进行对比,建立了3个不同时间尺度的等时地层格架,认为开展高分辨率层序地层分析对深化白马庙气田蓬莱镇组气藏的勘探开发工作具有重要意义。
Under the guidance of the theory and techniques of high-resolution sequence stratigraphy,through a comprehensive analysis of the outcrops,rock cores,well logs and seismic data,3 sequence boundaries of different genetic types and growth scales and 3 orders of lacustrine flooding surfaces are recognized in the Upper Jurassic Penglaizhen Formation in the Baimamiao gas field,and in addition,2 long-term base-level cycles,6 middle-term base-level cycles and 38-40 short-term base-level cycles are distinguished and their characteristics are discussed in detail.The thin-bedded limestone and calcareous shale close to the top of the middle-term base-level cycle can be regarded as one of the important indicator for recognizing the middle-term base-level cycle.On the basis of the above,using the method of cycle isochronostratigraphic correlation,different orders of base-level cycles are correlated and 3 isochronostratigraphic stratigraphic frameworks with different time-scales are established.The high-resolution sequence stratigraphic analysis has great significance for further exploration and development of the gas accumulations in the Penglaizhen Formation of the Baimamiao gas field.
Under the guidance of the theory and techniques of high-resolution sequence stratigraphy,through a comprehensive analysis of the outcrops,rock cores,well logs and seismic data,3 sequence boundaries of different genetic types and growth scales and 3 orders of lacustrine flooding surfaces are recognized in the Upper Jurassic Penglaizhen Formation in the Baimamiao gas field,and in addition,2 long-term base-level cycles,6 middle-term base-level cycles and 38-40 short-term base-level cycles are distinguished and their characteristics are discussed in detail.The thin-bedded limestone and calcareous shale close to the top of the middle-term base-level cycle can be regarded as one of the important indicator for recognizing the middle-term base-level cycle.On the basis of the above,using the method of cycle isochronostratigraphic correlation,different orders of base-level cycles are correlated and 3 isochronostratigraphic stratigraphic frameworks with different time-scales are established.The high-resolution sequence stratigraphic analysis has great significance for further exploration and development of the gas accumulations in the Penglaizhen Formation of the Baimamiao gas field.
引文
丘东洲.四川盆地川西坳陷南部侏罗系沉积相研究,1997.
蓝贵.朱永刚.川西地区沉积构造发展研究,1999.
丘东洲.四川盆地川西坳陷南部侏罗系沉积相研究,1997.
蓝贵,朱永刚.川西地区沉积构造发展研究,1999.
李梅.白马庙地区蓬莱镇组气藏地质综合研究,1998.
[1]丘东洲,付清平.川西坳陷南区侏罗系层序地层与油气[J].天然气工业,2000,20(4):5～10.Qiu Dongzhou,Fu Qingping.Sequence stratigraphy and hydrocar-bon potential of Jurassic in the south part of west Sichuan depression[J].Natural Gas Industry,2000,20(4):5～10(in Chinese with English abstract).
[2]赵永刚,雷卞军,杨跃明,等.川西邛崃县白马庙气田上侏罗统蓬莱镇组沉积相及砂体展布研究[J].中国地质,2004,31(3):284～288.Zhao Yonggang,Lei Bianjun,Yang Yueming,et al.Sedimentary fa-cies and sandbody distribution of the Upper Jurassic Penglaizhen Formation in the Baimamiao gas field,Qionglai County,Western Sichuan[J].Geology in China,2004,31(3):284～288(in Chinese with English abstract).
[3]邓宏文.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,1995,16(2):89～97.Deng Hongwen.A new school of thought in sequence stratigraphic studies in U.S.:high-resolution sequence stratigraphy[J].Oil&Gas Geology,1995,16(2):89～97(in Chinese with English abstract).
[4]邓宏文,王洪亮,李熙喆．层序地层地层基准面的识别、对比技术及应用[J].石油与天然气地质,1996,17(3):177～184.Deng Hongwen,Wang Hongliang,Li Xizhe.Identification and cor-relation techniques of sequence stratigraphic base-levels and their application[J].Oil&Gas Geology,1996,17(3):177～184(in Chinese with English abstract).
[5]邓宏文,王洪亮,宁宁.沉积物体积分配原理——高分辨率层序地层学的理论基础[J].地学前缘,2000,7(4):305～313.Deng Hongwen,Wang Hongliang,Ning Ning.Sediment volume partition principle:theory basis for high-resolution sequence stratig-raphy[J].Earth Science Frontiers,2000,7(4):305～313(in Chinese with English abstract).
[6]郑荣才,尹世民,彭军.基准面旋回结构与叠加样式的沉积动力学分析[J].沉积学报,2000,18(3):369～375.Zheng Rongcai,Yin Shiming,Peng Jun.Sedimentary dynamic analysis of sequence structure and stacking pattern of base-level cy-cle[J].Acta Sedimentological Sinica,2000,18(3):369～375(in Chinese with English abstract).
[7]郑荣才,吴朝容,叶茂才.浅谈陆相盆地高分辨率层序地层研究思路[J].成都理工学院学报,2000,27(3):241～244.Zheng Rongcai,Wu Chaorong,Ye Maocai.Research thinking of high-resolution sequence stratigraphy about a terrigenous basin[J].Journal of Chengdu University of Technology,2000,27(3):241～244(in Chinese with English abstract).
[8]岳文浙,丁保良,魏乃颐.陆盆层序地层研究的思路[J].地质论评,2000,46(4):347～354.Yue Wenzhe,Ding Baoliang,Wei Naiyi.Thoughts on the study of continental sequence stratigraphy[J].Geological Review,2000,46(4):347～354(in Chinese with English abstract).
[9]邓宏文,王洪亮,祝红军.高分辨率层序地层学——原理及应用[M].北京:地质出版社,2002.3～24.Deng Hongwen,Wang Hongliang,Zhu Hongjun.High-resolu-tion Sequence Stratigraphy-Principle and Application[M].Beijing:Geological Publishing House,2002.3～24(in Chinese with English abstract).
[10]李勇,曾允孚,伊海生.龙门山前陆盆地沉积及构造演化[M].成都:成都科技大学出版社,1995.8～10,65～74.Li Yong,Zeng Yunfu,Yi Haisheng.Sedimentary and Tectonic Evolution of the Longmenshan Foreland Basin,Western Sichuan,China[M].Chengdu:Chengdu University Science and Technology Press,1995.8～10,65～74(in Chinese with English abstract).
[11]郑荣才,彭军,吴朝容.陆相盆地基准面旋回的级次划分和研究意义[J].沉积学报,2001,19(2):249～255.Zheng Rongcai,Peng Jun,Wu Chaorong.Grade division of base-level cycles of terrigenous basin and its implications[J].Acta Sedi-mentological Sinica,2001,19(2):249～255(in Chinese with English abstract).
[12]赵玉光,许效松,刘宝珺.克拉通边缘前陆盆地动力层序地层学[J].岩相古地理.1997,17(2):1～9.Zhao Yuguang,Xu Xiaosong,Liu Baojun.Dynamic sequence stratig-raphy of foreland on the margin of craton[J].Lithofacies Palaeo-geography,1997,17(2):1～9(in Chinese with English abstract).
[13]郑荣才,彭军.陕北志丹三角洲长6油层组高分辨率层序分析与等时对比[J].沉积学报,2002,20(1):92～100.Zheng Rongcai,Peng Jun.Analysis and isochronostratigraphic cor-relation of high-resolution sequence stratigraphy for Chang-6oil reservoir in Zhidan delta,northern Ordos basin[J].Acta Sedimento-logica Sinica,2002,20(1):92～100(in Chinese with English abstract).
[14]四川省区域地层表编写组.西南地区区域地层表—四川省分册[M].北京:地质出版社,1978.100～101.The Compilation Group of the Regional stratigraphic talles of Sichuan Province.Regional Shatigraphic Table of Southwest China Sichuan Volume[M].Beijing:Geological Publishing House,1978.100～101(in Chinese with English abstract).
[15]辜学达,刘啸虎.四川省岩石地层[M].武汉:中国地质大学出版社,1997.194～196.Gu Xueda,Liu Xiaohu.Lithostratigraphy of Sichuan Province[M].Wuhan:China University of Geosciences Press,1997.194～196(in Chinese with English abstract).
蓝贵.朱永刚.川西地区沉积构造发展研究,1999.
丘东洲.四川盆地川西坳陷南部侏罗系沉积相研究,1997.
蓝贵,朱永刚.川西地区沉积构造发展研究,1999.
李梅.白马庙地区蓬莱镇组气藏地质综合研究,1998.
[1]丘东洲,付清平.川西坳陷南区侏罗系层序地层与油气[J].天然气工业,2000,20(4):5～10.Qiu Dongzhou,Fu Qingping.Sequence stratigraphy and hydrocar-bon potential of Jurassic in the south part of west Sichuan depression[J].Natural Gas Industry,2000,20(4):5～10(in Chinese with English abstract).
[2]赵永刚,雷卞军,杨跃明,等.川西邛崃县白马庙气田上侏罗统蓬莱镇组沉积相及砂体展布研究[J].中国地质,2004,31(3):284～288.Zhao Yonggang,Lei Bianjun,Yang Yueming,et al.Sedimentary fa-cies and sandbody distribution of the Upper Jurassic Penglaizhen Formation in the Baimamiao gas field,Qionglai County,Western Sichuan[J].Geology in China,2004,31(3):284～288(in Chinese with English abstract).
[3]邓宏文.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,1995,16(2):89～97.Deng Hongwen.A new school of thought in sequence stratigraphic studies in U.S.:high-resolution sequence stratigraphy[J].Oil&Gas Geology,1995,16(2):89～97(in Chinese with English abstract).
[4]邓宏文,王洪亮,李熙喆．层序地层地层基准面的识别、对比技术及应用[J].石油与天然气地质,1996,17(3):177～184.Deng Hongwen,Wang Hongliang,Li Xizhe.Identification and cor-relation techniques of sequence stratigraphic base-levels and their application[J].Oil&Gas Geology,1996,17(3):177～184(in Chinese with English abstract).
[5]邓宏文,王洪亮,宁宁.沉积物体积分配原理——高分辨率层序地层学的理论基础[J].地学前缘,2000,7(4):305～313.Deng Hongwen,Wang Hongliang,Ning Ning.Sediment volume partition principle:theory basis for high-resolution sequence stratig-raphy[J].Earth Science Frontiers,2000,7(4):305～313(in Chinese with English abstract).
[6]郑荣才,尹世民,彭军.基准面旋回结构与叠加样式的沉积动力学分析[J].沉积学报,2000,18(3):369～375.Zheng Rongcai,Yin Shiming,Peng Jun.Sedimentary dynamic analysis of sequence structure and stacking pattern of base-level cy-cle[J].Acta Sedimentological Sinica,2000,18(3):369～375(in Chinese with English abstract).
[7]郑荣才,吴朝容,叶茂才.浅谈陆相盆地高分辨率层序地层研究思路[J].成都理工学院学报,2000,27(3):241～244.Zheng Rongcai,Wu Chaorong,Ye Maocai.Research thinking of high-resolution sequence stratigraphy about a terrigenous basin[J].Journal of Chengdu University of Technology,2000,27(3):241～244(in Chinese with English abstract).
[8]岳文浙,丁保良,魏乃颐.陆盆层序地层研究的思路[J].地质论评,2000,46(4):347～354.Yue Wenzhe,Ding Baoliang,Wei Naiyi.Thoughts on the study of continental sequence stratigraphy[J].Geological Review,2000,46(4):347～354(in Chinese with English abstract).
[9]邓宏文,王洪亮,祝红军.高分辨率层序地层学——原理及应用[M].北京:地质出版社,2002.3～24.Deng Hongwen,Wang Hongliang,Zhu Hongjun.High-resolu-tion Sequence Stratigraphy-Principle and Application[M].Beijing:Geological Publishing House,2002.3～24(in Chinese with English abstract).
[10]李勇,曾允孚,伊海生.龙门山前陆盆地沉积及构造演化[M].成都:成都科技大学出版社,1995.8～10,65～74.Li Yong,Zeng Yunfu,Yi Haisheng.Sedimentary and Tectonic Evolution of the Longmenshan Foreland Basin,Western Sichuan,China[M].Chengdu:Chengdu University Science and Technology Press,1995.8～10,65～74(in Chinese with English abstract).
[11]郑荣才,彭军,吴朝容.陆相盆地基准面旋回的级次划分和研究意义[J].沉积学报,2001,19(2):249～255.Zheng Rongcai,Peng Jun,Wu Chaorong.Grade division of base-level cycles of terrigenous basin and its implications[J].Acta Sedi-mentological Sinica,2001,19(2):249～255(in Chinese with English abstract).
[12]赵玉光,许效松,刘宝珺.克拉通边缘前陆盆地动力层序地层学[J].岩相古地理.1997,17(2):1～9.Zhao Yuguang,Xu Xiaosong,Liu Baojun.Dynamic sequence stratig-raphy of foreland on the margin of craton[J].Lithofacies Palaeo-geography,1997,17(2):1～9(in Chinese with English abstract).
[13]郑荣才,彭军.陕北志丹三角洲长6油层组高分辨率层序分析与等时对比[J].沉积学报,2002,20(1):92～100.Zheng Rongcai,Peng Jun.Analysis and isochronostratigraphic cor-relation of high-resolution sequence stratigraphy for Chang-6oil reservoir in Zhidan delta,northern Ordos basin[J].Acta Sedimento-logica Sinica,2002,20(1):92～100(in Chinese with English abstract).
[14]四川省区域地层表编写组.西南地区区域地层表—四川省分册[M].北京:地质出版社,1978.100～101.The Compilation Group of the Regional stratigraphic talles of Sichuan Province.Regional Shatigraphic Table of Southwest China Sichuan Volume[M].Beijing:Geological Publishing House,1978.100～101(in Chinese with English abstract).
[15]辜学达,刘啸虎.四川省岩石地层[M].武汉:中国地质大学出版社,1997.194～196.Gu Xueda,Liu Xiaohu.Lithostratigraphy of Sichuan Province[M].Wuhan:China University of Geosciences Press,1997.194～196(in Chinese with English abstract).
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