| 渤海中部馆陶组层序地层特征及底部界限研究 |
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| 引用本文： | 张若祥,李建平,刘志刚,刘士磊,卢辉楠. 渤海中部馆陶组层序地层特征及底部界限研究[J]. 海洋地质译丛, 2010, 0(3): 19-25 |
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| 作者姓名： | 张若祥 李建平 刘志刚 刘士磊 卢辉楠 |
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| 作者单位： | [1]中海石油（中国）有限公司天津分公司,天津塘沽300452 [2]中国科学院南京地质古生物研究所,江苏南京210008 |
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| 基金项目： | 中海石油（中国）有限公司“十一五”重大基础研究项目（SC06TJ-TQL-004-BH02）资助 |
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| 摘 要： | 通过以岩电性、古生物、地震层序为基础的层序地层学研究,结合区域研究资料,在馆陶组识别出低位、水进和高位三种体系域;利用基准面旋回技术识别出短期基准面旋回（SSC）、中期基准面旋回（MSC）和长期基准面旋回（LSC）;馆陶组划分为2个长期基准面旋回,4个中期基准面旋回MSC1～MSC4,建立了渤海中部馆陶组及东上段高分辨率等时地层对比格架。D5-1井2 782～2 917 m井段确定为东一段地层,其顶界即为馆陶组的底界。通过对馆陶组底部界限的确定和区域馆陶组及东上段高分辨率层序地层等时对比格架的建立,对该区馆陶组底部界限进行了重新厘定,以解决油气勘探中遇到的问题。
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| 关 键 词： | 馆陶组 层序地层 体系域 基准面旋回 等时对比格架 |
The study of sequence stratigraphy characteristics and the bottom boundary of Guantao Formation in the middle area of Bohai Bay Basin |
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| Zhang Ruoxiang,Li Jianping,Liu Zhigang,Liu Shilei,Lu Huinan. The study of sequence stratigraphy characteristics and the bottom boundary of Guantao Formation in the middle area of Bohai Bay Basin[J]. Offshore Oil, 2010, 0(3): 19-25 |
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| Authors: | Zhang Ruoxiang Li Jianping Liu Zhigang Liu Shilei Lu Huinan |
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| Affiliation: | 1.Tianjin Branch of CNOOC Ltd.,Tianjin 300452;2.Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences,Nanjing 210008) |
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| Abstract: | By researching on the sequence stratigraphy based on the lithology characteristics,electrical characteristics,paleontology,seismic sequence stratigraphy and the study of areal geology,this paper is trying to obtain much deeper recognition of the Guantao Formation stratigraphy.Three kinds of tracts were recognized including LST,TST and HST.Based on basal level cycle technique,three kind of base-level cycles（SSC,MSC and LSC） were recognized in Guantao Formation.Guantao Formation was divided into two LSC and four MSC,and high resolution isochronous geologic correlation of Guantao Formation and upper Donying Formation.Interval from 2 782 m to 2 917 m of D5-1 well is upper Dongying Formation,and the top of this interval is the bottom of Guantao Formation. |
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| Keywords: | Guantao Formation sequence stratigraphy tract basal level cycle isochronous correlation framework |
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