油气藏不同部位ΔC差异性分析

汤玉平; 蒋涛; 刘运黎

doi:10.11743/ogg19990117

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油气藏不同部位ΔC差异性分析
DIFFERENTIAL ANALYSIS OF ΔC IN DIFFERENT PARTS OF OIL-GAS POOLS
1999年20卷第1期页码：76-77
网络首发：1999-03-25，

纸质出版：1999
DOI： 10.11743/ogg19990117
稿件说明：

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汤玉平, 蒋涛, 刘运黎. 油气藏不同部位ΔC差异性分析[J]. 石油与天然气地质, 1999,20(1):76-77. DOI： 10.11743/ogg19990117.

Tang Yuping, Jiang Tao, Liu Yunli. DIFFERENTIAL ANALYSIS OF ΔC IN DIFFERENT PARTS OF OIL-GAS POOLS[J]. 1999, 20(1): 76-77. DOI： 10.11743/ogg19990117.

摘要

油气藏不同部位的ΔC分布具有边缘井高于油井

油井高于干井的变化特征

但纵向上ΔC并不随梯度变化。因此在油气化探分析中

ΔC作为横向环境对比指标较为合适

而不宜用作油气纵向上的运移指标。

Abstract

The distribution of ΔC in different parts of oil and gas pools are different.The ΔC in wells on the margins of the reservoirs is higher than that in oil wells

and the ΔC in oil wells is higher than that in dry well.The variation of ΔC is not related to the variation of buried depth.It is suggested that

in geochemical exploration

ΔC could be used as the index of environmental correlation in horizental

but could not be used as vertical migration index.