Affected by the system and structure pattern, hydrocarbon distributes longitudinally at the middle and upper of lower system.Laterally, it concentrates in the T-P system with relative low energy.

• 受温压系统和构造格局的影响，油气纵向上主要分布于下部弱高压型温压系统的中上部，横向上则主要集中在相对低能的温压分区内。