line-level: 2" class=MsoNormal>Fluid-Density Inversion of Shaximiao Gas Reservoir in
详细信息
- 责任者：Li Shuguang (Deyang Branch ; Research Institute of Exploration and Development ; Southwest Oil-Gas Field Company ; SINOPEC ; Deyang 618000 ; China) ; Xu Tianji
- 刊名：Xinjiang Petroleum Geology
- 出版年：2010
- 卷期：31(4)
- 关键词：气藏 ; gas reservoirs ; 四川盆地 ; Sichuan Basin
- 页码：p.386-387
- 图表：4 illus., 4 refs.
- 分类号：1003
- issnNo：ISSN1001-3873
- isbnNo：CN65-1107/TE
摘要
The fluid-density changes from rich gas reservoir to water layer obviously, so it is a nice parameter of reservoir gas forecasting. This paper presents the method for calculating the fluid-density values of each reservoir using density logging and porosity data, according to the density-porosity least-square inversion method, calculated the fluid-density of reservoir in well. The inversed three dimensional fluiddensity results can be obtained based on the probabilistic neural network inversion method, and using the well fluid-density data and three dimensional seismic data. Application of this method to Shaximiao gas reservoir in a gas field of western Sichuan area has achieved very good results, providing important data support for reservoir prediction, gas-water identification and gas reservoir description in this area.
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