摘要
海上聚驱油田后期挖潜方向与剩余油分布规律及主控因素密切相关,而剩余油岩心驱替实验无法精细认识剩余油分布形态。应用非均质微观孔隙模型,研究了渤海J油田在不同驱替介质、不同驱替速度下的剩余油分布规律,以及不同驱替介质对主要剩余油分布模式的影响。实验结果表明,相同驱替介质下剩余油受驱替速度影响较大;在相同驱替速度下聚表二元体系驱油效果最好。
Remaining oil recovery of offshore polymer flooding oilfield is closely related to the distribution law and main controlling factors of remaining oil. However, the remaining oil core displacement experiment cannot get a clear understanding of the remaining oil distribution. By using the heterogeneous microscopic pore model, the distribution pattern of remaining oil in Bohai J oilfield under the different displacement media and different displacement velocities, as well as the influence of different displace ment media on the main remaining oil distribution pattern were studied. The experimental results showed that remaining oil distribution effected by driving velocity significantly under the same driving medium, polymer and surfactant driving system is the most effective under the same driving velocity.
出处
《石油地质与工程》
CAS
2018年第5期87-90,共4页
Petroleum Geology and Engineering
基金
"十三五"国家科技重大专项"大型油气田及煤层气开发渤海油田高效开发示范工程"(2016ZX05058–001–005)
关键词
渤海J油田
非均质微观模型
剩余油分布
Bohai J oilfield
heterogeneous microscopic model
remaining oil distribution
