摘要
分析了东营凹陷老第三纪层序地层，指出陆相湖盆中由于控制层序沉积的因素有其自身特点，尤其是沉积物供给条件相对海盆有多源、近源、快速的特点，导致陆相湖盆中层序沉积的特点有别于海相，特别是体系域及层序界面在全盆地内并非一定等时；并提出适合于含油气陆相盆地精确层序地层划分对比的“断块分析法”．沉积物供给还将影响层序沉积中亚层序的叠积形式．根据测井、岩心及露头划分体系域及层序时。
The sequence sediment feature in continental lacustrine basins is given in this paper based on the sequence stratigraphy analysis of the Paleogene strata in Dongying Basin. The boundary of sequence and systems tracts may not be isochronous in the entire basin. Because the sediment supplies in the lacustrine basins are of varied sources, short distance and rapid speed. Also discussed in the paper is the “zonal analysis” of the actual sequence division and correlation in oil gas inland basins. Sediment supplies can also influence the stack up form of parasequences. The system tracts and sequence division by the information of the core, crop and log present the idea that the backstepping parasequences may not be often in continental lacustrine basins.
出处
《地球科学（中国地质大学学报）》
EI
CSCD
北大核心
1997年第2期139-144,共6页
Earth Science-Journal of China University of Geosciences
关键词
陆相湖盆
层序地层分析
油气藏
沉积物
供给因素
continental lacustrine basin
sequence stratigraphy analysis
sediment supply condition
Dongying Basin.
