| 鄂尔多斯盆地东缘石油苗的成因探讨 |
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| 引用本文： | 胡国艺,曾凡刚,王少昌.鄂尔多斯盆地东缘石油苗的成因探讨[J].地球与环境,1998(3). |
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| 作者姓名： | 胡国艺 曾凡刚 王少昌 |
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| 作者单位： | 石油勘探开发科学研究院廊坊分院!河北廊坊，065007(胡国艺，王少昌)，北京大学地质学系!北京，100871(曾凡刚) |
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| 摘 要： | 最近在鄂尔多斯盆地东缘石露头（二马营组T(e2)）发现一油气苗，通过对油苗的微观分子组成和碳同位素地球化学特征分析，认为该油苗的地球化学性质与在鄂尔多斯盆地迄今所发现的原油或凝析油差别较大，推测其油源岩为下古生界的碳酸盐岩，这一发现对鄂尔多斯盆地东缘油气勘探可能具有重要的意义。
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| 关 键 词： | 鄂尔多斯盆地 下古生界油苗 碳同位素 轻烃 甾烷 |
A PRILIMILARY STUDY ON THE ORIGIN OF OIL SEEPAGE FROM SHILOU IN THE EASTERN PART OF ORDOS BASIN |
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| Hu Guoyi, Zeng Fangang, Wang Shaochang.A PRILIMILARY STUDY ON THE ORIGIN OF OIL SEEPAGE FROM SHILOU IN THE EASTERN PART OF ORDOS BASIN[J].Earth and Environment,1998(3). |
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| Authors: | Hu Guoyi Zeng Fangang Wang Shaochang |
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| Abstract: | Oil and gas seepage discovered recently in the Shilou outcrop in the eastern part of the Ordos Basin has been studied in detail. By analyzing the molecular composition and carbon isotopic composition of oil seepage, the geochemical characteristics of this oil seepege are significantly different from those of oils or condensates that have ever been found in the Ordos Basin. The authors think that this oil seepage would probably come from Ordovician source rocks. The discovery of the oil seepage is of importance in oil and gas exploration in the eastern part of Ordos. |
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| Keywords: | Ordos Basin oil seepage carbon isotope light hydrocarbon sterane |
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