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传统的生储盖组合划分方案中不包括断层、不整合面 ,在油气运聚研究中强调输导层对油气成藏的作用 ,有一定局限性。我国复杂叠合型油气盆地具有断裂发育、不整合面多等特点 ,传统的生储盖组合划分方案难以满足此类盆地的勘探需要。提出的新方案强调了断裂、不整合面在生储盖组合划分中的重要地位 ,补充和完善了传统的划分方案 ,扩大和丰富了找油视野 ,有利于明确勘探方向、预测有利目标分布。
The traditional reservoir-cap combination scheme does not include faults and unconformities, and it emphasizes the role of the transport layer in hydrocarbon accumulation in hydrocarbon migration and accumulation studies, which has some limitations. The complex laminated oil and gas basin in China has the characteristics of fault development and unconformity. The traditional combination plan of reservoir-cap combination can not meet the exploration needs of such basins. The proposed new scheme emphasizes the important position of fault and unconformity in the division of reservoir and cover, complements and perfects the traditional plan of division, enlarges and enriches the prospect of oil exploration, helps to clarify the exploration direction and forecast the distribution of favorable targets.