Application of New Method of Spectrum Decomposition and Seismic Inversion in Research of Beach-Bar Sand Sedimentary Characteristics and Development Model
详细信息
- 责任者：Guo Jianqing (School of Geosciences ; China University of Petroleum ; Qingdao 266580 ; China) ; Lin Chengyan
- 刊名：Journal of China University of Petroleum
- 出版年：2013
- 卷期：37(3)
- 关键词：频谱分析 ; spectral analysis ; 地震勘探 ; seismic exploration ; 储层预测 ; reservoir prediction
- 页码：p.37-43
- 图表：illus., 11 refs.
- 分类号：1600
- issnNo：ISSN1673-5005
- isbnNo：CN37-1441/TE
摘要
Based on 3D high-precision seismic information and seismic sedimentology principle,beach-bar facies reservoir of Upper Es4 formation of Boxing Oilfield were predicted by using spectrum decomposition,seismic inversion of seismic sedimentology and geology,logging,borehole logging information.The results show that 30 Hz is the optimum tuning frequency.Sandstone is the most development in the middle part of Upper Es4 formation and its sedimentary characteristic is remarkble.Beach-bar sand boby undergoes obvious "sandstone sedimentation under the water regression period" evolution process.Beach-bar sedimentary model shows its giving priority to "bar" sand sedimentation under the water regression period,while "beach" sand and shallow lake mud sedimentation under the water transgression period.Hydrodynamism and palaeotopography condition are the main control factors of beach-bar sedimentation.
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