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Favorable Conditions for Petroleum Accumulation by Paleogeomorphology before Deposition-Taking Lower Jurassic in Ziwuling Area,Ordos Basin as an Example
Author(s): ZHAO Min, WANG Duo-yun, LIU Jun-feng, MENG Xiang-hong, LI Shu-tong, JIAO Jian
Pages: 476-
481
Year: 2010
Issue:
3
Journal: Natural Gas Geoscience
Abstract: 根据测井、地震和岩心等资料,运用印模法(延9段+延10段+富县组的地层总厚度)对鄂尔多斯盆地子午岭地区侏罗系沉积前的古地貌进行了恢复.研究表明,研究区古地貌形态丰富多样,主要为高地、斜坡、冲沟、梁地和河谷等.在此基础上,分析了侏罗系沉积前古地貌与延10油藏、延9油藏和延8油藏的有利成藏关系,认为油藏主要分布于紧邻高地的斜坡等地势相对较高的地带.古地貌形成的有利成藏条件为下切河谷提供了来自延长组烃源...
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