Generation Mechanism of Sediment Gravity Flow of Nenjiang Formation in the North Songliao Basin
详细信息
- 责任者：Mo Wuling (School of Earth and Space Sciences ; Peking University ; Beijing 100871 ; China) ; Wu Chaodong
- 刊名：Natural Gas Geoscience
- 出版年：2013
- 卷期：24(3)
- 关键词：重力流沉积 ; gravity flow deposit ; 岩性油气藏 ; lithologic reservoir ; 松辽平原 ; Songliao Plain
- 页码：p.555-565
- 图表：11 illus., 34 refs.
- 分类号：1003
- issnNo：ISSN1672-1926
- isbnNo：CN62-1177/TE
摘要
Songliao Basin is a large-scale Mesozoic continental petroliferous basin.Based on analysis of highresolution 3D seismic data,a large-scale sediment gravity flow channel system is identified in the Member 1 of Nenjiang Formation,and multiple sets of slip blocks are identified in the Member 2-3 of Nenjiang Formation in the north Songliao Basin.It indicates that this channel system resulted from the rushing of river into lake,and the 3 slip blocks resulted from gravity slumping of delta front sediment due to its great slope gradient,which will be transported by the earthquake or flood.It has extremely important meaning to hydrocarbon reservoirs within lacustrine mudstones of large-scale depression-lacustrine basin that we have made clear about the generation mechanism of sediment gravity flow in the Nenjiang Formation in the Songliao Basin.
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