Seismic Patterns and Migration History of Submarine Fan Channel in Niger
详细信息
- 责任者：Zhang Guotao (School of Geosciences ; Yangtze University ; Jingzhou 434023 ; China) ; Zhang Shangfeng
- 刊名：Journal of Daqing Petroleum Institute
- 出版年：2012
- 卷期：36(1)
- 关键词：砂体 ; sand bodies ; 地震属性 ; seismic attributes ; 海底扇形地 ; submarine fans ; 尼日尔 ; Niger
- 页码：p.19-24
- 图表：7 illus., 17 refs.
- 分类号：1003
- issnNo：ISSN1000-1891
- isbnNo：CN32-1297/TE
摘要
The channel of deepwater under Niger delta slope is characterized by multi-stage,internal structure and shape variable,its location and sedimentary environment also hinder the research and exploration channel systems.According to strata slicing,RMS amplitude attribute and other techniques, the authors could exhibit the platforms patterns of channel at different period clearly.The results show that a great quantity of isolated channels develop in Middle Miocene and aggrading streams in late,generating because of large scale of turbidity caused by the drop of second order sea-level,which characterized by vertical accretion at smooth channel,while vertical accretion and lateral migration at bend.The research provides theoretical basis for high-precision prediction and evaluation of deepwater reservoir.
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