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柴达木盆地构造分区及其油气远景
引用本文:戴俊生,叶兴树,汤良杰,金之钧,邵文斌,胡勇,张兵山.柴达木盆地构造分区及其油气远景[J].地质科学,2003,38(3):291-296.
作者姓名:戴俊生  叶兴树  汤良杰  金之钧  邵文斌  胡勇  张兵山
作者单位:1. 石油大学地球资源与信息学院, 山东东营, 257061;2. 石油大学盆地与油藏研究中心, 北京, 102249;3. 中国石油天然气股份有限公司青海石油分公司, 甘肃敦煌, 736202
基金项目:中国石油天然气股份有限公司“九五”科技工程项目 (编号 :970 2 0 8 0 2 )
摘    要:基于对柴达木盆地构造特征和构造演化的研究,主要依据基底性质和起伏、地层展布、构造变形强度、盆地演化特征、断裂和山脉的分割性和含油气系统的分布等将柴达木盆地划分为北部块断带、茫崖坳陷、三湖坳陷和德令哈坳陷 4个一级单元和 21个二级单元。依据烃源岩的分布、生储盖组合和构造圈闭发育程度等,按Ⅰ类有利区带、Ⅱ类较有利区带和Ⅲ类远景区带对各二级构造单元进行了含油气远景评价。

关 键 词:柴达木盆地  构造单元  含油气远景

TECTONIC UNITS AND OIL-GAS POTENTIAL OF THE QAIDAM BASIN
Dai Junsheng,Ye Xingshu,Tang Liangjie,Jin Zhijun Shao Wenbin,Hu Yong,Zhang Bingshan.TECTONIC UNITS AND OIL-GAS POTENTIAL OF THE QAIDAM BASIN[J].Chinese Journal of Geology,2003,38(3):291-296.
Authors:Dai Junsheng  Ye Xingshu  Tang Liangjie  Jin Zhijun Shao Wenbin  Hu Yong  Zhang Bingshan
Institution:1. College of Earth Resources and Information, University of Petroleum, Dongying, Shandong 257061;2. Basin and Reservoir Research Center, University of Petroleum, Beijing 102249;3. Qinghai Oil Field Branch Company, China National Petroleum Corp., Dunhuang, Gansu 736202
Abstract:Based on the study on tectonic features and tectonic evolution, the Qaidam Basin was divided into four first order units: the North Block-faulted Belt, the Mangya, Sanhu and Delingha Depressions, which could be subdivided into 21 second-order units mainly according to the nature and relief of basement, stratigraphic distribution, style of structural deformation, feature of basin evolution, the fault and mountain cutting and the distribution of petroleum systems. On the authority of the distribution of hydrocarbon source rocks, source-reservoir-seal association, the development of structure trap, the second-order units were assessed on hydrocarbon potential in accordance with type Ⅰ beneficial zone, type Ⅱ less beneficial zone and type Ⅲ potential zone. The type Ⅰ beneficial zone included the following units: the Kunyite Sag, the Lenghu and Eboliang Belts of the North Block-faulted Belt, the Gasi Sag, the Youquanzi and Qibei Belts of the Mangya Depression, and the Yanhu Belt of the Sanhu Depression.
Keywords:The Qaidam Basin    Tectonic units    Hydrocarbon potential
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