The Method Study of Pre-stack Reservoir Parameter Inversion in Dual Phase Media

doi:10.11867/j.issn.1001-8166.2007.10.1048

Advances in Earth Science ›› 2007, Vol. 22 ›› Issue (10): 1048-1053. doi: 10.11867/j.issn.1001-8166.2007.10.1048

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The Method Study of Pre-stack Reservoir Parameter Inversion in Dual Phase Media

GAO Jian-hu ^1,2, LIU Quan-xin ², YONG Xue-shan ², LIU Hong ¹

1.Institute of Geology and Geophysics,Chinese Academy of Sciences, Beijing 100029, China;2.Northwest Institute, Research Institute of Petroleum Exploration and Development,Petro China,Lanzhou 730000,China

Received:2007-02-26 Revised:2007-08-22 Online:2007-10-15 Published:2007-10-10

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GAO Jian-hu, LIU Quan-xin, YONG Xue-shan, LIU Hong. The Method Study of Pre-stack Reservoir Parameter Inversion in Dual Phase Media[J]. Advances in Earth Science, 2007, 22(10): 1048-1053.

Based on the theory of dual-phases mediums, the objective function has been established, the iteration optimization algorithm of reservoir parameter in many dimensions has been studied and the technique flow of pre-stack reservoir parameter inversion in dual-medium has been presented. The application in model data and real seismic data indicated the inversion error of the method is small and the precision of the method is better than the post-stack seismic inversion.

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