石油与天然气地质 ›› 1999, Vol. 20 ›› Issue (1): 76-77.doi: 10.11743/ogg19990117

• 论文 • 上一篇    下一篇

油气藏不同部位ΔC差异性分析

汤玉平, 蒋涛, 刘运黎   

  1. 中国新星石油公司化探中心, 安徽合肥 230022
  • 收稿日期:1998-09-18 出版日期:1999-03-25 发布日期:2012-01-18

DIFFERENTIAL ANALYSIS OF ΔC IN DIFFERENT PARTS OF OIL-GAS POOLS

Tang Yuping, Jiang Tao, Liu Yunli   

  1. Geochemical Exploration Center, CNSPC, Hefei, Anhui
  • Received:1998-09-18 Online:1999-03-25 Published:2012-01-18

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。

关键词: ΔC, 油气藏, 环境, 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.

Key words: oil and gas reservoir, ΔC, environment, migration index