论文成果
Simultaneous multitrace impedance inversion with transform-domain sparsity promotion
摘要:The impedance inversion technique plays a crucial role in seismic reservoir properties prediction. However, most existing impedance inversion methods often suffer from spatial discontinuities and instability because each vertical profile is processed independently in the inversion. We tested a transform-domain sparsity promotion simultaneous multitrace impedance inversion method to address this issue. The approach was implemented through minimizing a data misfit term and a transform-domain sparsity constraint term that incorporates the (2D or 3D) structural information into the inversion processing. A 2D synthetic data example was applied to mainly explain the roles of the transform-domain sparsity constraint. We determined that the transform-domain sparsity constraint can help in stabilizing the inversion, reducing the influence of high-wavenumber noise on the inverted result, and exploring spatial continuities of structures. Furthermore, a 3D field data example was used to examine the effectiveness of the proposed method for dealing with the real data and to reveal the difference between the results from the 3D simultaneous inversion and the section-by-section inversion. We found that the inverted results roughly matched a low-pass-filtered version of impedance curves derived from well log data. Also, it has been demonstrated that the 3D simultaneous inversion technique provided a better estimation than the section-by-section inversion technique in terms of guaranteeing more spatial continuities of geologic features in the impedance model.
关键字:SEISMIC TRACE INTERPOLATION FOURIER-TRANSFORM PURSUIT RECONSTRUCTION REGULARIZATION DECONVOLUTION RECOVERY MODEL
ISSN号:0016-8033
卷、期、页:卷: 80 期: 2 页: R71-R80
发表日期:2015-03-01
期刊分区(SCI为中科院分区):三区
收录情况:SCI(科学引文索引印刷版),ESI(基本科学指标数据库),EI(工程索引),SCIE(科学引文索引网络版)
发表期刊名称:GEOPHYSICS
参与作者:贺艳晓
第一作者:袁三一,王尚旭,骆春妹
论文类型:期刊论文
论文概要:袁三一,王尚旭,骆春妹,贺艳晓,Simultaneous multitrace impedance inversion with transform-domain sparsity promotion,GEOPHYSICS,2015,卷: 80 期: 2 页: R71-R80
论文题目:Simultaneous multitrace impedance inversion with transform-domain sparsity promotion