同时在仓储层中显示油气成藏和有油气运移痕迹所要求的砂砾岩体厚度是相近的，而与无油气运移痕迹的砂砾岩体厚度有明显的差别。
The thickness of glutenite body required for storage layers and hydrocarbon migration trace was close, which was very different from thickness without migration trace.
使油气化探工作从近地表研究油气渗逸“痕迹”和晕圈异常进而预测目的层在平面上的位置转向直接对目的层进行研究和预测。
This makes geochemical prospecting turn from the study of seeping "trace" and halo anomalies of hydrocarbons in near surface to a direct research and prediction of the target distribution.
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