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Sedimentary microfacies in the NH25 reservoir of the Pearl River Mouth Basin
Author(s): XUE Yongchao, CHENG Linsong, LIANG Wei, LIU Weixin
Pages: 22-
25
Year: 2010
Issue:
5
Journal: Special Oil & Gas Reservoirs
Keyword: 滨岸相; 临滨亚相; 岩石相; 遗迹化石; 剩余油; 珠江口盆地NH25油藏;
Abstract: 以岩心描述为基础,综合各种分析化验资料,对珠江口盆地NH25油藏岩石学特征、岩石相特征、生物遗迹化石等方面开展深入研究.结果表明储层成分成熟度较高,结构成熟度中等,发育6种岩石相,海生迹遗迹化石丰富、分布广泛,成岩作用较弱,对物性影响不大.综合确定研究区属滨岸相临滨亚相沉积,进一步分为上临滨、中临滨、下临滨,利用孔隙度和渗透率对沉积微相进行定量识别.沉积微相与油藏开发关系表明:上临滨产能高于中临滨...
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