| 文昌B凹陷陡坡带珠海组二段海侵扇三角洲储层特征及油气成藏特征 |
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| 引用本文： | 张迎朝,陈志宏,李绪深,徐新德.文昌B凹陷陡坡带珠海组二段海侵扇三角洲储层特征及油气成藏特征[J].矿物岩石,2011,31(2). |
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| 作者姓名： | 张迎朝 陈志宏 李绪深 徐新德 |
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| 作者单位： | 1. 中国地质大学资源学院,湖北武汉430074;中海油湛江分公司研究院,广东湛江524057
2. 中海油湛江分公司研究院,广东湛江,524057 |
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| 基金项目： | 中国地质调查局蒙古自治区地质勘查招标项目(2005-(2-13)-KD71) |
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| 摘 要： | 利用构造、层序地层、沉积古地貌、沉积微相分析、成藏综合分析等方法,对珠江口盆地文昌B凹陷陡坡带特殊构造背景下的珠海组储层沉积相及其油气成藏模式进行研究,认为该区珠海组二段与珠海组一段构成了一套优质区域性储盖组合,珠海组二段沉积期,在陡坡带古丘地貌上发育潮控海侵退积型扇三角洲相,其水下分流河道骨架砂岩较好的孔渗性使珠海组二段成为油气优势运聚成藏层系,是主要勘探目的层之一。结合烃源岩、沟源断裂及圈闭等成藏主控因素分析,提出该区珠海组二段垂向运移、优势聚集、有效断块的油气成藏模式,钻探发现文昌B凹陷陡坡带X构造整装规模储量的商业性油田和一批含油构造。
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| 关 键 词： | 文昌B凹陷 陡坡带 珠海组二段 古丘-洼 潮控海侵退积型扇三角洲 成藏模式 |
TRANSGRESSION FAN DELTAS IN THE SECOND MEMBER OF ZHUHAI FORMATION AND HYDROCARBON ACCUMULATION IN THE ABRUPT SLOPE AREA OF WENCHANG B SAG |
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| ZHANG Ying-zhao,CHEN Zhi-hong,LI Xu-shen,XU Xin-de.TRANSGRESSION FAN DELTAS IN THE SECOND MEMBER OF ZHUHAI FORMATION AND HYDROCARBON ACCUMULATION IN THE ABRUPT SLOPE AREA OF WENCHANG B SAG[J].Journal of Mineralogy and Petrology,2011,31(2). |
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| Authors: | ZHANG Ying-zhao CHEN Zhi-hong LI Xu-shen XU Xin-de |
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| Institution: | ZHANG Ying-zhao1,2,CHEN Zhi-hong1,LI Xu-shen2,XU Xin-de2 1.China University of Geosciences,Wuhan 430074,China,2.Research Institute of CNOOC Ltd.,Zhangjiang 524057 |
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| Abstract: | Reservoir depositional model under special tectonic setting of Zhuhai Formation and its pool-forming pattern on the abrupt slope area in Wenchang B sag were studied by means of structure-sequence stratigraphy,sedimentary paleo-morphology,sedimentary micro-facies,and intergraded pool-forming analysis methods.The first and second members of Zhuhai Formation formed a good regional reservoir and cap rock assemblage.The tide-dominated transgression retrograding fan deltas of the second member of Zhuhai Formation... |
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| Keywords: | Wenchang B sag abrupt slope area The second member of Zhuhai Formation Paleo-mound-swale tide-dominated transgression retrograding fan delta pool-forming pattern |
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