松辽盆地东部构造带白垩系沉积特征研究

松辽盆地东部构造带由于受构造抬升运动和构造反转作用影响明显，白垩系盖层沉积厚度较薄局部剥蚀严重，综合石油地质条件较差。随着区内南部榆树断陷、梨树断陷、德惠断陷等一系列断陷油气勘探取得成功以及北部绥化断陷发育良好的生储盖组合，表明松辽盆地东部赋存丰富的油气资源，但目前缺乏对东部构造带白垩系盖层沉积特征和沉积相演化系统而全面的研究，使得东部构造带整体的油气勘探和资源评估存在较大制约。本文主要通过精细的野外剖面测量并结合钻井资料和前人的研究成果，对松辽盆地东部构造带白垩纪时期与五个构造演化阶段相对应的沉积物特征研究，从而全面掌握了东部构造带白垩系沉积特征和沉积相演化规律。

Research of the Sedimentary Evolutionary Characteristic in Cretaceous of

Under the influence of the tectonic uplift and tectonic reverse, the Cretaceous caprock of the eastern tectonic zone is thinner than any other region in Songliao Basin, the general conditions of petroleum geological is not well. With a series succeed petroleum exploration had made in the Yushu Fault-Depression, Lishu Fault-Depression and Dehui Fault-Depression, meanwhile the Suihua Sag also develop well petroleum conditions, all of them indicated that this region contain abundant hydrocarbon resources. But now lack of the research of sedimentary characteristic and sedimentary evolutionary regular of the eastern tectonic zone in Songliao Basin, it has make a lot of shortage in petroleum exploration and resource assessment. In order to research the sedimentary characteristic of five tectonic periods in Cretaceous, this paper mainly by means of the field outcrop measurement data methods, combining with drilling data and predecessors' achievements that has achieved to know the regular of sedimentary characteristic and the sedimentary context evolutionary in Cretaceous of eastern tectonic zone in Songliao Basin.