井间资料约束下地震波阻抗反演方法研究

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Crosswell Seismic Constrained Acoustic Impedance Inversion

YANG Qin-yong^1,2, HAN Li-guo¹,CAO Hui²,WANG De-li¹,CHEN Guo-jin²,XU Zhuo¹

1.College of GeoExploration Science and Technology,Jilin University, Changchun 130026,China;2.Nanjing Institute of Geophysical Prospecting, Nanjing 210014, China

Received:2006-01-17 Revised:1900-01-01 Online:2006-05-26 Published:2006-05-26
Contact: YANG Qin-yong

Abstract

Abstract: Seismic traces obtained from crosswell reflection imaging and well log data are used in the multi well log restriction random inverse acoustic impedance inversion. First the crosswell reflection imaged data was inverted to obtain an acoustic impedance profile. Then some acoustic impedance traces extracted from the inversion profile were used as virtual log and combined with well log data to implement the crosswell and surface seismic joint inversion. The modeling and filed data inversion results shown that crosswell and surface seismic joint inversion can provide more restriction in the surface seismic inversion and can improve accuracy of inversion.

Key words: crosswell seismic, constrained inversion, virtual log, acoustic impedance

CLC Number:

P631.4

YANG Qin-yong, HAN Li-guo,CAO Hui,WANG De-li,CHEN Guo-jin,XU Zhuo. Crosswell Seismic Constrained Acoustic Impedance Inversion[J].J4, 2006, 36(03): 468-473.

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