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- Title
弹性参数反演与属性融合技术在“甜点”预测中的应用.
- Authors
张林清; 张会星; 姜效典; 徐玥; 周海廷
- Abstract
Coordinate rotation technique can be used to establish new elastic parameters. Finding proper rotation angle can maximize the ability of distinguishing the physical and gas-bearing properties of the reservoirs by using the newly constructed elastic parameters. Fusion technique can fuse different kinds of seismic attributes, which contributes to improve the accuracy of reservoir prediction. By petrophysical analysis, we use coordinate rotation technique to construct sensitive elastic parameters of physical and gas-bearing properties, and then use prestack simultaneous inversion to calculate these parameters. From the seismic attributes extracted from different prestack and poststack seismic data, we select those which have good relevancy with “sweet spot” factor. Finally, we fuse the inversion results of elastic parameters and the selected seismic attributes to identify and predict the reservoir “sweet spot”. The result matches the well data and has a higher reliability than that of using one single method.
- Publication
Natural Gas Geoscience, 2017, Vol 28, Issue 4, p582
- ISSN
1672-1926
- Publication type
Article
- DOI
10.11764/j.issn.1672-1926.2017.03.004