DIABASE AND HYDROCARBON RESERVOIR FORMATION ON THE NORTHERN SLOPE OF GAOYOU SAG
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摘要: 苏北盆地高邮凹陷北斜坡辉绿岩普遍发育,辉绿岩侵入到含油气盆地可以改变油气的成藏环境。该文探讨了辉绿岩的侵入与油气生成、运移和聚集的关系,指出辉绿岩的侵入有利于烃源岩的成熟,有利于油气的运移,有利于圈闭的形成。文中还探讨了高邮凹陷北斜坡复杂断块油藏的形成机制。Abstract: Diabase is widespread on the northern slope of the Gaoyou sag.The intrusion of diabase into the oil-and-gas-bearing basin may change the environment of oil and gas formation.This article discusses the relationship between diabase invasion and oil generation,migration and accumulation.It is suggested that diabase invasion may be favourable for the generation,migration and trapping of oil and gas.The mechanism for the formation of the complex fault block reservior is also discussed.
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Key words:
- Gaoyou sag /
- diabase /
- oil and gas
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