| 主动大陆边缘海沟-斜坡盆地沉积体系分析——以缅甸若开海岸盆地某工区为例 |
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| 引用本文： | 邱春光,朱光辉,谢晓军,杨松龄.主动大陆边缘海沟-斜坡盆地沉积体系分析——以缅甸若开海岸盆地某工区为例[J].沉积与特提斯地质,2011(3):13-19. |
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| 作者姓名： | 邱春光 朱光辉 谢晓军 杨松龄 |
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| 作者单位： | 中海油研究总院海外评价中心 |
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| 摘 要： | 本文以国内少见的发育在主动大陆边缘的特殊盆地类型海沟-斜坡盆地作为研究对象，通过建立井震结合的不同沉积体系的地质-地球物理识别模板，用二维地震资料对研究区目的层的沉积体系进行了解析。结果显示，研究区发育窄的滨浅海、小规模的三角洲、浊积扇、下切谷、半深海陆坡和半深海平原等沉积体系。滨浅海、三角洲和浊积扇沉积体系发育的砂体是主要的储集体。海沟．斜坡盆地的规模较小，以生气为主，可能形成中小型断块油气藏。
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| 关 键 词： | 海沟-斜坡盆地 主动大陆边缘 沉积体系 地震反射特征 |
| 收稿时间： | 2010/10/15 0:00:00 |
| 修稿时间： | 2011/1/2 0:00:00 |
Sedimentary systems in the trench-slope basins along the active continental margins: An example from one block in the Arakan sea basin, Myanmar |
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| QIU Chun-guang,ZHU Guang-hui,XIE Xiao-jun,YANG Song-ling.Sedimentary systems in the trench-slope basins along the active continental margins: An example from one block in the Arakan sea basin, Myanmar[J].Sedimentary Geology and Tethyan Geology,2011(3):13-19. |
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| Authors: | QIU Chun-guang ZHU Guang-hui XIE Xiao-jun YANG Song-ling |
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| Institution: | (Research Institute,CNOOC,Beijing 100027,China) |
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| Abstract: | The sedimentary systems are explored on the basis of 2D seismic data for the target strata in one block in the Arakan Coast basin, Myanmar developed in the trench-slope basins along the active continental margin. The results of research in this study have disclosed that the sedimentary stsyems in the study area dominantly consist of the littoral-shallow sea, delta, turbidite fan, incised valley, bathyal continental slope and bathyal plain sedimentary systems. The reservoir rocks are mainly developed in the littoral-shallow sea, delta and turbidite fan sedimentary systems. The small-sized trench-slope basins may be host to the medium- or small-sized block oil-gas pools dominated by natural gas. |
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| Keywords: | trench-slope basin active continental margin sedimentary system seismic reflection profile |
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