准噶尔盆地滴南凸起白垩系沉积相研究新认识及其油气藏分布特征  

The New Conclusion of Sedimentary Face and Distribution Characteristics for Oil & Gas of Cretaceous in Dinan Uplift,Junggar Basin

作　　者：刘志峰[1] 赵东娜[1] 王濮[1] 金振奎[1] 

机构地区：[1]中国石油大学(北京)资源与信息学院,北京102249

出　　处：《内蒙古石油化工》2008年第16期90-93,共4页Inner Mongolia Petrochemical Industry

摘　　要：通过古气候分析、岩性分析、砂体形态分析和砂体构型研究等,认为白垩系呼图壁河组为干旱气候条件下的砂质辫状河沉积。在此基础上,结合构造以及油气成藏等方面的研究,总结出了该区白垩系油气藏分布的特征和规律:一是位于有利的沉积相带,沉积相带控制着砂体发育位置和储层发育特征;二是位于断裂带附近,要有断裂沟通油源,孤立砂体不成藏;三是位于构造高部位或背斜之上。满足这几个条件的地方是对白垩系进行油气藏勘探的有利部位。There is obvious evidence of oil ＆ gas show in the strata of Hutubihe Formation in Cretaceous, Dinah Uplift of Junggar Basin. Base on the reaeareh of palo--climate, lithology analysis, sandbody shape and architecture analysis, we concluded that the sedimentary face of Hutubihe Formation is the the braided river of dry climate condition. This conclusion is different from the former and the oilfield＇s. Combine with the research of the structure, oil ＆ gas migration and accumulation, we concluded the reservoir distribution characteristics of Cretaceous： （a） Locating in the favorable sedimentary face belt. The braided river channel is the favorable sedimentary face for oil ＆ gas exploration. The reservoir in the face of the river channel is good with preferable porosity. （b） Near the fault. Fault is the key elements in oil ＆ gas migration and accumulation, they controled the oil and gas distribution patterns to some degree. （c） On the high points or the anticlines. They are the good structual location for explorition if meeting the two conditions above mentioned.

关 键 词：准噶尔盆地 滴南凸起 白垩系 沉积相 砂质辫状河 

分 类 号：P618.130.2[天文地球—矿床学] P534.53[天文地球—地质学]