• 责任者：Li Jie (Institute of Sedimentary Geology ; Chengdu University of Technology ; Chengdu 610059 ; China) ; Chen Hongde
• 刊名：Journal of Chengdu University of Technology
• 出版年：2011
• 卷期：38(2)
• 关键词：砂体 ; sand bodies ; 鄂尔多斯盆地 ; Ordos Basin
• 页码：p.132-139
• 图表：7 illus., 1 table, 21 refs.
• 分类号：1003
• issnNo：ISSN1671-9727
• isbnNo：CN51-1634/N

Member 8 of Lower Shihezi Formation in the northwest of Ordos Basin is characterized by the regional tectonic setting with steady and slow subsidence, large area, gentle slope, relatively shallow water and multiple sources. The gentle slope-type shallow braided river delta is developed. The author takes the stratigraphic and sedimentary process-response dynamic principles as a theoretical basis, and uses the theory and technology of the high-resolution sequence stratigraphy to explore the genetic combination types of this kind of delta sandbodies. On the basis of the analysis, the high energy channel sandbodies on the sequence boundary are abundant in lithological reservoirs in the delta plains which show the great potential for oil and gas exploration. Consequently, the genesis and distribution pattern of sandbodies in a gentle slope-type shallow braided river delta is established based on the spatial-temporal distribution of the sandbodies in Member 8 of the study area.