晚侏罗世-早白垩世为鄯深构造三叠系油藏的第三个成藏期，现在鄯科1井所产轻质油就是该期注入。
The third stage, lasting from Late Jurassic to Early Cretaceous, has resulted in accumulation of light oil, forming a productivity in Shanke-1.
但油气演化程度高，大多已进入高成熟和过成熟阶段，至今只在侏罗系发现有油藏，三叠系及其更老地层皆为气藏。
Owing to its high evolution, high or over maturity, oil pools only have been discovered in Jurassic, in Triassic or even older beds only dis - covered gas pools.
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