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摘要: 油气汇聚体系是一个不同于含油气系统和油气成藏系统的概念，它提出的目的旨在讨论层序格架中油气成藏单元与层序级次之间的关系。通过建立不同级别的层序地层格架，结合储层的分布和构造断裂等因素，预测油气的汇聚特征。油气汇聚体系由储集系统和油气输导系统构成，储集系统可以分为（1）高连通、大型毯状；（2）中连通、中型毯状；（3）低连通、小容量3种类型；油气输导系统分为单一型和综合型两种类型。油气汇聚体系分为大型、中型、小型3种类型，每种类型所对应的储集系统和油气榆导系统各不相同。该概念的提出，为研究层序格架中各种规模的油气汇聚体系与层序格架之间的关系提供了理论基础．Abstract: According to the division of the scales of fluvial systems，the petroleum collective system in the Tertiary of Jiyang depression are devided into large ,middle and small scale. The petroleum collective system of different scale effected the formation of oil and gas field or oil and gas reservoir of different scales, at the same time, the petroleum collective system of different scale are determined by the sequence of different scales. The ways and the results of exploration in different scaled petroleum collective system of different scale are also different. So, according to the scales of the sequence and systems, the scales and types of oil and gas field or oil and gas reservoir can be predicted and explorated.
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Key words:
- Jiyang Depression /
- scale of sequence /
- oil and gas collective system
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