Characteristics and Physical Property Evaluation of Shoreline-Tidal Depositional Reservoirs of Lower Zhujiang Member and Zhuhai Formation in Block A of Huizhou Depression, Pearl River Mouth Basin<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Characteristics and Physical Property Evaluation of Shoreline-Tidal Depositional Reservoirs of Lower Zhujiang Member and Zhuhai Formation in Block A of Huizhou Depression, Pearl River Mouth Basin

详细信息

责任者：Zhao Ning (School of Energy Resources ; China University of Geosciences ; Beijing 100083 ; China) ; Deng Hongwen
刊名：Geoscience
出版年：2009
卷期：23(5)
关键词：砂岩储集层 ; sandstone reservoirs ; 储层评价 ; reservoir evaluation ; 珠江口盆地 ; Zhujiang River Mouth Basin
页码：p.835-842
图表：6 illus., 2 table, 9 refs.
分类号：1003
issnNo：ISSN1000-8527
isbnNo：CN11-2035/P

摘要

Based on sedimentology and high resolution sequence stratigraphy, lithology and physical property characteristics of shoreline-tidal reservoirs of Lower Zhujiang Member and Zhuhai Formation in block A of Huizhou depression, Pearl River Mouth Basin, were discussed by the observation of thin sections and SEM, primary intergranular pores are the major pore types in reservoirs. The ratio of primary pores in the west is higher than that in the east, the physical property in the west is better than that in the east, and the physical property of shoreline deposits in Lower Zhujiang Member are better than that of tidal deposits in Zhuhai Formation. With the analysis of digenesis, it is regarded that depositional environments, controlled by base level cycle frameworks, is a major controlling factor in reservoir physical properties. Meanwhile, for the depositional system of shoreline and tide, the physical property, from foreshore-lower shoreface-upper shoreface-intertidal sand flat-subtidal channel-intertidal mixed fiat-intertidal channel-subtidal sand bar to supratidal mud flat, gradually becomes worse, and the physical property of shoreline sands is superior than that of tidal sands.