During the formation of the primary condensate gas pool there is no phase change in the pool.
次生凝析气藏是圈闭中轻质油溶解于天然气中形成的凝析气藏，成藏过程中流体相态发生了变化。
The primary condensate gas pool is formed by generation of condensate by organic material and then migration into a pool as gas phase.
原生凝析气藏是有机质直接生成凝析气，并以气相运移聚集成藏，成藏过程中不存在相态变化。
During the formation of the primary condensate gas pool there is no phase change in the pool. But the secondary gas condensate pool was formed by solution of light oil in gas in the pool.
次生凝析气藏是圈闭中轻质油溶解于天然气中形成的凝析气藏，成藏过程中流体相态发生了变化。
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