| 渤海海域428凸起地区沙一二段沉积体系及其主控因素 |
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| 引用本文： | 王启明,杜晓峰,加东辉,宛良伟.渤海海域428凸起地区沙一二段沉积体系及其主控因素[J].沉积与特提斯地质,2015,35(4):12-16. |
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| 作者姓名： | 王启明 杜晓峰 加东辉 宛良伟 |
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| 作者单位： | 中海石油(中国)有限公司天津分公司渤海石油研究院, 天津 300452 |
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| 基金项目： | 国家十二五重大专项“大型油气田及煤层气开发”(2011ZX05023-002) |
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| 摘 要： | 近年的研究表明,渤海海域428凸起地区沙一二段具有良好的油气勘探前景。通过钻井、岩心、薄片、地震资料的综合分析,识别出研究区发育扇三角洲、湖泊相以及一种特殊的沉积类型——混合沉积,并对其平面分布和相互关系进行了研究。本区沉积体系的发育主要受控于物源体系、同沉积断裂样式、古地形等因素。其中,物源体系控制了砂体发育的规模,同沉积断裂样式控制了砂体的平面展布,有利的古地形条件控制了混合沉积的发育位置。
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| 关 键 词： | 428凸起 沙一二段 物源体系 沉积体系 同沉积断裂 |
| 收稿时间： | 2014/10/24 0:00:00 |
| 修稿时间： | 2015/11/29 0:00:00 |
The 1st and 2nd members of the Shahejie Formation in No. 428 uplifted area,Bohai Sea: Sedimentary systems and their controlling factors |
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| WANG Qi-ming,DU Xiao-feng,JIA Dong-hui,WAN Liang-wei.The 1st and 2nd members of the Shahejie Formation in No. 428 uplifted area,Bohai Sea: Sedimentary systems and their controlling factors[J].Sedimentary Geology and Tethyan Geology,2015,35(4):12-16. |
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| Authors: | WANG Qi-ming DU Xiao-feng JIA Dong-hui WAN Liang-wei |
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| Institution: | Research Institute of Bohai Oil Field, Tianjin Branch, CNOOC, Tianjin 300452, China |
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| Abstract: | The great potential of petroleum exploration is expected to the 1st and 2nd members of the Shahejie Formation in No. 428 uplifted area,Bohai Sea. According to thin section examination and seismic data,the planar distribution and controlling factors are discussed for the 1st and 2nd members of the Shahejie Formation in which the fan delta facies,lacustrine facies and mixed facies are discriminated. The controlling factors of the sedimentary systems include the provenance systems which put the development of the sandstones under controll,synsedimentary faults which depend on the planar distribution of the sandstones,and palaeotopography which localizes the organic banks and/or bioclastic banks in the study area. |
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| Keywords: | No 428 uplifted area 1st and 2nd members of the Shahejie Formation provenance system sedimentary system synsedimentary fault |
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