Author(s): ZHOU Jingping, TANG Jun, ZHOU Xiaoyang
Pages: 88-93
Year: 2011 Issue:  4
Journal: Lithologic Reservoirs
Keyword:  high resolution sequence stratigraphy; electrofacies analysis; base level cycles; Xiasiwan area; Ordos Basin;
Abstract: 基于下寺湾地区的区域地质、沉积相、测井、钻井和岩心资料,以Cross高分辨率层序地层学理论及其方法为指导,采用多级旋回层序划分方案,结合测井相分析技术,将研究区长8段划分为中期、短期和超短期3个级次的基准面旋回层序。各级次基准面旋回又可进一步分为向上＂变深＂的非对称型、向上＂变浅＂的非对称型和对称型3种结构类型。该文重点论述了超短期基准面旋回层序沉积背景、叠加式样和沉积动力学过程,并以短期基准面旋...