周晓光;黄晓波;宋章强;李瑾;刘睿;王启明;

• 1:中海石油(中国)有限公司天津分公司渤海石油研究院

摘要(Abstract)：

为明确环渤中凹陷西次洼东三段砂体差异富集的控制要素,根据测井、最新三维地震等资料,重建环渤中凹陷西次洼石臼坨凸起西段和沙垒田凸起东段两大物源区东三段沉积期古地貌,定量表征两大物源区母岩和规模、宏观古地貌、古沟谷等4个构成要素,探讨各要素耦合关系对砂体差异富集的控制作用。结果表明:沙垒田凸起东段北部物源区母岩类型优越,主要分布前寒武系变质花岗岩类,规模较大,但是宏观古地貌处于高势区,不是优势输砂方向,古沟谷也欠发育,沉积区砂体富集程度相对低;石臼坨凸起西段南部物源区的母岩类型中等,规模大,且为宏观地貌低势区,是优势输砂方向,古沟谷发育,数量多,时空连续性较好,规模较大,宽深比整体适中,沉积区砂体富集。良好的母岩类型和一定规模的物源、在物源区宏观古地貌低势方向、古沟谷发育位置对应的砂体卸载区是富砂储层发育的有利区。

关键词(KeyWords)：渤中凹陷;物源要素;母岩类型;古地貌;古沟谷;物源区规模;砂体差异富集

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05023-002)

作者(Author):周晓光;黄晓波;宋章强;李瑾;刘睿;王启明;

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