New Explanation for Shallow Delta High-Resolution Sequence Stratigraphy of Putaohua Oil-Bearing Layer of Member 1 of Yaojia Formation of Cretaceous in Sanzhao Sag
详细信息
- 责任者：Liu Yuan (Faculty of Geosciences ; China University of Petroleum ; Beijing 102249 ; China) ; Zhu Xiaomin
- 刊名：Journal of China University of Petroleum
- 出版年：2010
- 卷期：34(4)
- 关键词：白垩纪 ; Cretaceous ; 层序地层学 ; sequence stratigraphy ; 松辽平原 ; Songliao Plain
- 页码：p.7-12,18
- 图表：6 illus., 12 refs.
- 分类号：1200
- issnNo：ISSN1673-5005
- isbnNo：CN37-1441/TE
摘要
According to the data of seismic, well logging and cores, the research of shallow delta sequence stratigraphy of Putaohua oil-bearing layer of member 1 of Yaojia Formation of Cretaceous in Sanzhao sag was carried out, and a high-resolution sequence stratigraphic framework was established. The results show that Putaohua oil-bearing layer amounts to the rising hemicycle of the long-term base-level cycle, and folding one middle-term base-level cycle which could be classified into eight short-term ones under the guidance of high-resolution sequence stratigraphy theory. The formation thickness is becoming small from north to south, because every sublayer is up-piching out bed by bed. Different correlation principles should be followed with interface(erosion surface), rock, interface(sedimentary discontinuity) along the source direction, and rock, interface cross the source direction.