If there is a normal pressure in the upper gas reservoir, it replaces the gas diffusion of lower gas reservoir, makes the gas diffusion of lower gas reservoir stop and the reserves of upp...

• 上覆气藏为高压气藏,其对下伏气藏中天然气扩散具抑制作用,下伏气藏天然气向上扩散受阻,在上覆气藏之下聚集;