OALib Journal期刊
ISSN: 2333-9721
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深水沉积储层特征——以尼日利亚oml130区块为例
Keywords: 深水沉积,尼日利亚,储层,水道,朵叶,沉积模式
Abstract:
?深水沉积体系的研究正处于不断探索和认识阶段,近年来国内外进行了大量的研究,并取得了一定的认识。尼日尔三角洲位于非洲大陆西部,深水沉积体系特征明显,通过对二维地震剖面的反射结构、三维地震的切片及属性,岩心沉积结构、构造、含有物,钻井岩性剖面,测井曲线反映的粒序变化及旋回特征等现象的综合分析,总结出了研究区主要的沉积模式。海底扇可分上扇、中扇、下扇,其主要沉积和储层类型为水道、朵叶和水道叠加或水道—决口扇复合体。并对各类储层的特点和成因进行了分析。
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