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《Acta Sedimentologica Sinica》 2009-03
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Application of High-Resolution Sequence Stratigraphy in the Study of the Reservoir Macro-heterogeneity:Taking the Fuyu oil layer of Chao 1-Chaoqi 3 blocks in Chaoyanggou oil reservoir of Songliao Basin as an example

ZHANG Shi-guang LU Shuang-fang ZHANG Yan LIU Cheng-zhi ZHAO Rong ZHONG Wei-wei(Daqing Petroleum Institute,Daqing Heilongjiang 163318)  
In application to high-resolution sequence stratigraphy principles and methods,forty one short-term base-level cycles and seven middle-term base-level cycles and two long-term base-level semi-cycles in Fuyu oil layer of Chao 1 Chao gas 3 blocks of Chaoyanggou oil field are identified.By the sedimentary dynamics analysis of genesis of multiage base-level cycles,quantitative analysis of the core testing and statistical data which characterize the macroscopic heterogeneity of the reservoir,we point out that with the uprising of the long-term base-level cycle,in-layer heterogeneity of short-term base-level cycles becomes stronger,and interlayer heterogeneity of middle-term base-level cycles becomes weaker,and plane heterogeneity of short-term base-level cycles becomes stronger.With the subsiding of the long-term base-level cycle,every trend is contrary.By analysis,the changes of sedimentary environment that are caused by the changes of base-level cycles and associated accommodation are the determinative factors for feature differences of reservoir macroscopic heterogeneity.
【Fund】: 国家自然科学基金(批准号:40572079)资助
【CateGory Index】: P618.13
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