| 稳定碳氧同位素在沉积相和成岩环境划分中的应用——以柴西南翼山浅油藏储层研究为例 |
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| 引用本文： | 李建明,李慧,施辉.稳定碳氧同位素在沉积相和成岩环境划分中的应用——以柴西南翼山浅油藏储层研究为例[J].四川地质学报,2010,30(3):356-359. |
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| 作者姓名： | 李建明 李慧 施辉 |
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| 作者单位： | 长江大学地球科学学院,湖北,荆州,434023 |
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| 摘 要： | 碳酸盐岩中的稳定碳氧同位素可以用来定量恢复沉积环境古盐度、成岩环境,表明沉积物形成后大气淡水参与成岩作用强度,圈定潜在储层等。通过同位素δ^13C、δ^18O值,运用基恩和韦伯方程计算出古盐度参数,可以作为判定沉积环境和成岩环境的标准。以柴西南翼山浅油藏储层为例,运用δ^13C、δ^18O同位素值来判定其古盐度,为沉积相和沉岩作用的划分提供了科学的依据。
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| 关 键 词： | 碳氧同位素 沉积相 成岩作用 柴西南翼山 |
The Application of Carbon and Oxygen Isotope to the Division of Sedimentary Facies and Diagenetic Environments |
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| LI Jianming,LI Hui,SHI Hui.The Application of Carbon and Oxygen Isotope to the Division of Sedimentary Facies and Diagenetic Environments[J].Acta Geologica Sichuan,2010,30(3):356-359. |
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| Authors: | LI Jianming LI Hui SHI Hui |
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| Institution: | (Changjiang University,Jingzhou,Hubei 434023) |
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| Abstract: | δ^13C andδ^18O values for carbonate rock may be used for quantitatively reconstructing paleosalinity,diagenetic conditions,degree of meteoric water participating in diagenesis and delineating potential reservoir.Exemplified by shallow oil reservoir in the Nanyishan,Qiadam basin,this paper appliesδ^13C andδ^18O values for carbonate rock to reconstruction of paleosalinity,providing scientific basis for division of sedimentary facies and diagenesis. |
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| Keywords: | δ13C andδ18O values sedimentary facies diagenesis Nanyishan Qiadam basin |
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