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五号桩油田沙三下段湖相浊积岩储层特征
引用本文:文玲,白光勇,李时平,王彪.五号桩油田沙三下段湖相浊积岩储层特征[J].中国石油大学学报(自然科学版),1996(1).
作者姓名:文玲  白光勇  李时平  王彪
作者单位:石油大学炼制系
摘    要:利用岩心资料,通过薄片观察、扫描电镜、X衍射等分析方法,对五号桩油田沙三下段湖相浊积岩的储层特征进行了深入研究.结果表明.沙三下段湖相浊积岩受成岩后生作用的影响,原生孔隙受到强烈改造,形成两个次生孔隙发育带.无论在纵向上或横向上储层物性变化甚大,同时受沉积相带控制,辫状水道及主沟道微相是最有利的储集相带,道间微相为较有利的储集相带.

关 键 词:沙三下段  浊积岩  次生孔隙  储层特征  岩心分析

RESERVOIR CHARACTERISTICS BELOW S_3 FORMATION OF LACUSTRINE TURBIDITE AT WUHAOZHUANG OILFIELD
Wen Ling, Bai Guangyong, Li Shiping, Wang Biao.RESERVOIR CHARACTERISTICS BELOW S_3 FORMATION OF LACUSTRINE TURBIDITE AT WUHAOZHUANG OILFIELD[J].Journal of China University of Petroleum,1996(1).
Authors:Wen Ling  Bai Guangyong  Li Shiping  Wang Biao
Abstract:The characteristics of reservoir below S3 formation of lacustrine turbidite at Wuhaozhuang oilfield were studied based on the petrographic data, viewing test of rocks with slice, scanning electron micrographs and XRD diagrams. The results show that the lacustrine turbidite at this area were affected by diagenesis, resulting in strong modification of primary porosity and forming two developmental layers of secondary porosity. The physical characteristics controlled by the sedimentary facies changed greatly both at the lateraly and vertical directions. The braided strean and main channel microfacies are the favorable reservoir. and the microfacies of middle channel are the fair reservoir.
Keywords:Formation below S3  Secondary porosity  Lacustrine turbidite  Reservoir characteristics  Core analysis  
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