姬塬地区上三叠统长2油层组物源分析 |
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引用本文: | 王威,李臻,田敏,周锦程,李凝.姬塬地区上三叠统长2油层组物源分析[J].复杂油气藏,2009(2):20-23. |
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作者姓名: | 王威 李臻 田敏 周锦程 李凝 |
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作者单位: | 西南石油大学石油工程学院; |
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摘 要: | 针对姬塬地区上三叠统长2油层组物源方向及砂体展布方向不明的问题,根据区域地质背景和沉积特征,综合利用重矿物组合和砂岩轻矿物,砂地比等厚线等方法对长2油层组物源进行分析。结果表明:姬塬地区长2油层组属曲流河三角洲相中三角洲平原亚相沉积,岩石类型包括砂岩、粉砂岩、泥岩及其过渡类型,其中以泥岩和细砂岩为主,重矿物主要为锆石、金红石、电气石、白钛矿和榍石等,主要物源来自研究区的NE方向。对长2油层组的砂体展布方向分析和储层预测具有参考意义。
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关 键 词: | 物源分析 重矿物组合 长2油层组 姬塬地区 鄂尔多斯盆地 |
Provenance analysis of the Upper Triassic Chang 2 pay set in Jiyuan region |
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Authors: | Wang Wei Li Zhen Tian Min Zhou Jincheng Li Ning |
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Affiliation: | Wang Wei,Li Zhen,Tian Min,Zhou Jincheng,Li Ning(Faculty of Petroleum Engineering,Southwest Petroleum University,Chengdu,Sichuan 610500) |
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Abstract: | Aiming at the unidentified problem of the provenance direction and the direction of sand body exhibition cloth of the Upper Triassic Chang 2 pay set in Jiyuan region,according to the regional geological background and sedimentary characteristics of the region,the provenance of Chang 2 pay set is analyzed using comprehensive analysis methods of heavy minerals assemblages,light minerals of sandstone,such as sand than in thick lines,facies analysis. The results have disclosed that Chang 2 pay set in Jiyuan reg... |
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Keywords: | provenance analysis heavy mineral assemblage Chang 2 pay set Jiyuan region Ordos |
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