惠民凹陷临南地区新生代构造演化特征研究

The Characteristics of Neozoic Structural Evolvement of Linnan Area in Huimin Sag

运用去压实校正原理编制了惠民凹陷临南地区东西部新生代连井投影构造演化剖面图 ,较系统地总结了临南地区新生代构造特征以及该地区的新生代构造演化序列 ,指出该区东西部的构造演化存在明显的时间差异 ,西南缓坡带从新生代以来一直表现为稳定斜坡 ,而曲堤地垒在沙河街组第一段沉积期—东营组沉积末期发生了强烈的旋转。最后综合分析认为 ,夏口断层控制了临南地区的构造演化 ,另外 ,盖层滑脱断层在研究区不发育 。

The cenozoic structural evolvement sections of the well tie projection in the east and west of Linnan area of Huimin sag are drafted in the paper, using the principle of decompaction compensation. The Neozoic structural characteristics and evolvement sequences are summarized systematically. The structural evolvements between the east and the west of Linnan area exist time differences. On the one hand, the southwest gentle slope belt has behaved the stable slope since the Cenozoic. On the other hand, Qudi horst is tilted strongly from the first chron of Shahejie age to Dongying age. Finally, the conclusion can be arrived at: Xiakou fault controlled the structural evolvement of Linnan area, and the detachment faults in the capping bed developed little, which provides the hydrocarbons with the better conservation condition in Linnan area.