| 米仓山-大巴山前陆盆地下沙溪庙组高分辨率层序地层学特征 |
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| 引用本文： | 文华国,郑荣才,叶泰然,高红灿,柯光明.米仓山-大巴山前陆盆地下沙溪庙组高分辨率层序地层学特征[J].矿物岩石,2005,25(1):83-90. |
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| 作者姓名： | 文华国 郑荣才 叶泰然 高红灿 柯光明 |
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| 作者单位： | 成都理工大学"油气藏地质及开发工程"国家重点实验室,四川,成都,610059 |
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| 摘 要： | 通过基准面旋回结构、叠加样式的沉积动力学分析．结合地表露头、钻井岩芯、测井资料的综合研究，运用高分辨率层序地层学理论和技术方法将米仓山-大巴山前陆盆地中侏罗统下沙溪庙组划分为1个长期、2个中期和10余个短期旋回层序；较为详细地讨论了短期、中期和长期旋回层序的结构类型、沉积序列和叠加样式；建立以长期旋回层序界面和最大洪泛面为等时地层格架，以中期旋回层序为等时地层单元的层序地层格架，以及地层格架中生储盖组合特征，认为下沙溪庙组下部具备良好的油气储、盖组合和形成大、中型次生油气藏的务件。
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| 关 键 词： | 前陆盆地 高分辨率层序地层学 大巴山 叠加样式 层序地层格架 沉积序列 基准面旋回 次生油气藏 钻井 等时 |
| 文章编号： | 1001-6872(2005)01-0083-08 |
| 修稿时间： | 2004年10月18 |
HIGH RESOLUTION SEQUENCE STRATIGRAPHY OF THE LOWER SHAXIMIAO FORMATION IN THE FORELAND BASIN OF MICANG-DABA MOUNTAIN |
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| WEN Hua-guo,ZHENG Rong-cai,YE Tai-rang,GAO Hong-can,KE Guang-ming.HIGH RESOLUTION SEQUENCE STRATIGRAPHY OF THE LOWER SHAXIMIAO FORMATION IN THE FORELAND BASIN OF MICANG-DABA MOUNTAIN[J].Journal of Mineralogy and Petrology,2005,25(1):83-90. |
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| Authors: | WEN Hua-guo ZHENG Rong-cai YE Tai-rang GAO Hong-can KE Guang-ming |
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| Institution: | WEN Hua-guo,ZHENG Rong-cai,YE Tai-rang,GAO Hong-can,KE Guang-mingand Exploitation,Chengdu University of Technology,Chengdu610059,China |
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| Abstract: | Based on the dynamic analysis of base-level cycle and stacking pattern,combined with the data of outcrops,cores and logging,an one long-term, two middle-term and about ten short-term cyclic sequences from Lower Shaximiao Formation of Middle Jurassic in the foreland basin of Micang-Daba Mountain were classified.The structure types, sedimentary cycles and stacking patterns of short-term,middle-term,long-term cyclic sequences were discussed in detail.A chrono-stratigraghic framework, containing the source rock-reservoir-cap assemblage was established in reference to the long-term and middle term cycle squences.The study showed that Shaximiao Formation was a favourable reservoir-cap rock assemblage and was of the condition and possibilities of forming mid-size oil and gas reservoirs. |
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| Keywords: | high-resolution sequence stratigraphy source-reservoir-cap rock assemblage secondary oil-gas reservoir Lower Shaximiao Formation Micang-Daba Mountain foreland basin |
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