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迈陈凹陷构造特征与油气勘探方向分析 预览 被引量:17

Structural characteristics and petroleum exploration direction analysis in Maichen Sag
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摘要 迈陈凹陷位于北部湾盆地南部坳陷,是北部湾盆地的一个三级构造单元。从迈陈凹陷石油地质条件与各构造单元特征入手,详细讨论了迈陈凹陷断裂演化特征以及构造样式和构造带展布。在此基础上分析了迈陈凹陷油气成藏的主控因素和有利区带、层系。指出了迈陈凹陷可分为四个次级洼陷,其中东1洼流二段烃源岩发育情况最好,其斜坡带发育有大量的构造圈闭,与迈陈凹陷成藏匹配关系良好,是迈陈凹陷下一步勘探的主要方向。 Maichen Sag is a tertiary tectonic structure located in the south of Beibu gulf basin. Petroleum geological conditions and tectonic units in Maichen Sag was described, and the characteristics of tectonic evolution, structural styles and structural belt distribution were discussed in Maichen Sag in detail in this paper. On this basis, the main controlling factors of hydrocarbon accumulation and the exploration target in Maichen Sag were evaluated. It's pointed out the studied region may be divided into four secondary sags, in which, Dong-1 secondary sag have the best source rocks of Liushagang Ⅱ , and there are many traps developed in the slope zone, so Dong- 1 secondary sag is the exploration target in Maichen Sag.
作者 王鹏 赵志刚 柳永杰 李建红 肖伶俐 WANG Peng, ZHAO Zhigang, LIU Yongjie, LI Jianhong, XIA0 Lingli ( CNO0(7 Research Institute, t3eijing 100027, China )
机构地区 中海油研究总院
出处 《海洋石油》 CAS 2011年第2期 13-19,共7页 Offshore Oil
关键词 北部湾盆地 迈陈凹陷 构造单元 勘探方向 Beibu gulf basin Maicheng Sag tectonic units exploration direction
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