Oil is sufficient in the sandstone of high permeability,but small or no in the sandstone of low permeability.The thickness of sandstone has smaller influence to oil migra...

• 渗透率高的砂层油气充注充分,而渗透率低的砂层油气充注量很小或无油气充注,厚度的大小对石油充注量的影响较小,因此砂层的渗透率最终影响各砂层油的聚集与分布。