SCHOOL LIFE
19.MAR
Yang Liu
Yang LiuSchool of PetroleumPh.D.GeologyProfessorliuyang@cup.edu.cn Introduction of TeacherIn terms of teaching and personnel training, he has taught courses such as "C Language Programming" and "Principles of Seismic Exploration" for undergraduates, taught courses such as "Geophysical Data Interpretation" and "Digital Processing of Seismic Data" for postgraduates, and participated in the compilation of the textbook "Seismic Data Processing Method" for oil and gas planning in Colleges and universities. The course "Principles of Seismic Exploration" was recorded into 61 videos and uploaded to Ku6 and College Students'Self-study Network for free learning. Since 2000, the total number of lectures/assignments has been 50. He has independently supervised 58 full-time master's degree graduates and 7 doctoral degree graduates. Part of publications1.Journal papers2017[1] Zhiming Ren, Yang Liu, Mrinal K. Sen, 2017, Least-squares reverse time migration in elastic media, Geophysical Journal International, 208(2): 1103-1125. [2] Bei Li, Yang Liu, Mrinal K. Sen, Zhiming Ren, 2017, Time-space-domain mesh-free finite-difference based on least-squares for 2D acoustic wave modeling, Geophysics, 82(4): T143-T157. [3] Enjiang Wang, Yang Liu, 2017, The hybrid absorbing boundary condition for one-step extrapolation and its application in wavefield decomposition-based reverse time migration, Journal of Geophysics and Engineering, 14(5): 1177-1188. [4] Zhiming Ren, Zhenchun Li, Yang Liu, Mrinal K. Sen, 2017, Modeling of the Acoustic Wave Equation by Staggered-Grid Finite-Difference Schemes with High-Order Temporal and Spatial Accuracy, Bulletin of the Seismological Society of America, 107(9): 2160-2182. [5] Xin Liu, Yang Liu, Zhiming Ren, Bei Li, Shigang Xu, Lekai Zhou, 2017, Hybrid absorbing boundary condition for three-dimensional elastic wave modeling, Applied Geophysics, 14(2): 270-278.2016[6] Zhiming Ren, Yang Liu, 2016, A hierarchical elastic full-waveform inversion scheme based on wavefield separation and the multistep-length approach, Geophysics, 81(3): R99-R123. [7] Enjiang Wang, Yang Liu, Mrinal K. Sen, 2016, Effective finite-difference modelling methods with 2-D acoustic wave equation using a combination of cross and rhombus stencils, Geophysical Journal International, 206(3): 1933-1958. [8]Wei Liu, Siyuan Cao, Yang Liu, Yangkang Chen, 2016, Synchrosqueezing transform and its applications in seismic data analysis, Journal of Seismic Exploration, 25(3): 27-44.2015[9] Ren Zhiming, Liu Yang, 2015, Acoustic and elastic modeling by optimal time-space domain staggered-grid finite-difference schemes, Geophysics, 80(1): T17-T40. [10] Ren Zhiming, Liu Yang, 2015, Elastic full waveform inversion using the second generation wavelet and an adaptive operator length scheme, Geophysics, 80(4), R155-R174. [11] Li Guofa, Liu Yang, Zheng Hao, Huang Wei, 2015, Absorption decomposition and compensation via a two-step scheme Geophysics, 80(6): V145–V155. [12] Liu Yang, Hu Guangyi, Fan Ting’en, 2015, Suppression of strong scattered tube waves using the transverse component, Journal of Applied Geophysics, 112: 226-235. [13 Zhang Xi, Liu Yang, Cai Xiaohui, Ren Zhiming, 2015, The AWWE-based hybrid absorbing boundary condition for finite-difference modeling and its application in reverse-time migration, Journal of Applied Geophysics, 123: 93–101. [14]Cai Xiaohui, Liu Yang, Ren Zhiming, Wang Jianmin, Chen Zhide, Chen Keyang, Wang Cheng, 2015, 3D acoustic wave equation modeling based on an optimal finite-difference scheme, Applied Geophysics, 12(3): 409-420.2014[15] Liu Yang, 2014, Optimal staggered-grid finite-difference schemes based on least squares for wave equation modeling, Geophysical Journal International, 197(2): 1033-1047. [16] Ren Zhiming, Liu Yang, Zhang Qunshan, 2014, Multi-scale visco-acoustic waveform inversion with the second generation wavelet transform and adaptive time-space domain finite-difference method, Geophysical Journal International, 197(2): 948-974. [17] Liu Yang, 2014, An optimal 5-point scheme for frequency-domain scalar wave equation, Journal of Applied Geophysics, 108: 19-24. [18] Zhao Yan, Liu Yang, Li Xuxuan, Jiang Nansen, 2014, Time-frequency domain SNR estimation and its application in seismic data processing, Journal of Applied Geophysics, 107: 25-35. [19] Yang Zongqing, Liu Yang, Ren Zhiming, 2014, Comparisons of visco-acoustic wave equations, Journal of Geophysics and Engineering, 11(2): 025004 (7pp). [20]Zhao Yan, Liu Yang, Ren Zhiming, 2014, Viscoacoustic prestack reverse time migration based on the optimal time–space domain high-order finite-difference method, Applied Geophysics, 11(2): 50-62. 2013[21] Liu Yang, Sen Mrinal K., 2013, Time-space domain finite-difference method with arbitrary even-order accuracy for the 2D acoustic wave equation, Journal of Computational Physics, 232(1): 327-345. [22] Liu Yang, 2013, Globally optimal finite-difference schemes based on least squares, Geophysics, 78(4), T113-T132. [23] Yan Hongyong, Liu Yang, 2013, Visco-acoustic pre-stack reverse-time migration based on time-space domain adaptive high-order finite-difference method, Geophysical Prospecting, 61(5): 941-954. [24] Ren Zhiming, Liu Yang, 2013, A hybrid absorbing boundary condition for frequency-domain finite-difference modeling, Journal of Geophysics and Engineering, 10(5): 054003 (16pp). [25] Xiao Lizhi, Liu Yang, 2013, Geophysical modeling, Journal of Geophysics and Engineering, 10(5): 050201 (2pp). [26] Yan Hongyong and Liu Yang, 2013, Pre-stack reverse-time migration based on the time-space domain adaptive high-order finite-difference method in acoustic VTI medium, Journal of Geophysics and Engineering, 10(1): 015010 (10pp). [27] Chang Suoliang, Liu Yang, 2013, A truncated implicit high-order finite-difference scheme combined with boundary conditions, Applied Geophysics, 10(1): 53-62. 2012[28] Liu Yang, Sen Mrinal K., 2012, A hybrid absorbing boundary condition for elastic staggered-grid modeling, Geophysical Prospecting, 60(6): 1114-1132. [29] Liu Yang, Liu Enru, 2012, Introduction to this special section: Carbonate research inChina, The Leading Edge, 31(2): 138. [30]Huang Guangnan, Liu Yang, 2012, Variable damping constraint tomography and its application in VSP data, Applied Geophysics, 9(2): 177-185. 2011[31] Liu Yang, Sen Mrinal K., 2011, Scalar wave equation modeling with time-space domain dispersion-relation-based staggered-grid finite-difference schemes, Bulletin of the Seismological Society of America, 101(1), 141-159. [32] Liu Yang, Sen Mrinal K., 2011, Finite-difference modeling with adaptive variable-length spatial operators, Geophysics, 76(4): T79-T89. [33] Liu Yang, Sen Mrinal K., 2011, 3D acoustic wave modeling with time-space domain dispersion-relation-based finite-difference schemes and hybrid absorbing boundary conditions, Exploration Geophysics, 42(3): 176-189. [34] Hu Guoqing, Liu Yang, Wei Xiucheng, Chen Tiansheng, 2011, Joint PP and PS AVO inversion based on Bayes theorem, Applied Geophysics, 8(4): 293-302. [35]Yuan Ye, Liu Yang, Zhang Jingyu, Wei Xiucheng and Chen Tiansheng, 2011, Reservoir prediction using multi-wave seismic attributes, Earthquake Science, 25(4): 373-389. 2010[36] Liu Yang, Sen Mrinal K., 2010, A hybrid scheme for absorbing edge reflections in numerical modeling of wave propagation, Geophysics, 75(2): A1-A6. [36]Liu Yang, Sen Mrinal K., 2010, Acoustic VTI modeling with a time-space domain dispersion-relation-based finite-difference scheme, Geophysics, 75(3): A7-A13. 2009 [37] Liu Yang, Sen Mrinal K., 2009, An implicit staggered-grid finite-difference method for seismic modeling, Geophysical Journal International, 179(1): 459-474. [38] Liu Yang, Sen Mrinal K., 2009, A new time-space domain high-order finite-difference method for the acoustic wave equation, Journal of Computational Physics, 228(23), 8779-8806. [39] Liu Yang, Sen Mrinal K., 2009, A practical implicit finite-difference method: examples from seismic modeling, Journal of Geophysics and Engineering, 6(3): 231-249. [40] Yan Hongyong, Liu Yang, 2009, Estimation of Q and inverse Q filtering for prestack reflected PP- and converted PS-waves, Applied Geophysics, 6(1): 59-69. [41] Wang Jing, Liu Yang, Zhe Sun, Hong Tian, Hua Su, Qianhua Zhao, Yingyu Liu, 2009, Acoustic impedance inversion of zero-offset VSP data, Applied Geophysics, 6(2): 150-158. [42] Liu Yang, Sen Mrinal K., 2009, Advanced finite-difference methods for seismic modeling, Geohorizons, 14(2): 5-16. [43] Liu Yang, Sen Mrinal K., 2009, Numerical modeling of wave equation by a truncated high-order finite-difference method, Earthquake Science, 22(2): 205-213. [44]Wei Xiucheng, Li Xiangyang, Liu Yang, Shi Songqun, Jiang Weidong, 2009, Detection of gas reservoirs by the joint use of P- and PS-waves: A case study on the Ordos basin, China, Earthquake Science, 22(3): 307-313. 2008 [45] Liu Yang, Wei Xiucheng, 2008, Propagation characteristics of converted refracted waves and its application in static correction of converted wave, Science in China Series D: Earth Sciences, 51(Suppl. II), 226-232. [46] Liu Yang, Wei Xiucheng, 2008, Finite-difference numerical modeling with even-order accuracy in two-phase anisotropic media, Applied Geophysics, 2008, 5(2): 107-114. [47]Zhang Liyan, Liu Yang, 2008, Anisotropic converted wave amplitude-preserving prestack time migration by the pseudo-offset method, Applied Geophysics, 5(3): 204-211. 2. International Conference Paper2017[1] Hao Xue, Yang Liu, 2017, Multi-source least-square reverse time migration based on MPI and CUDA hybrid accelerating algorithm, 79th EAGE Conference & Exhibition, Extended Abstracts. [2] Shigang Xu, Yang Liu, 2017, Modeling of high accuracy pure acoustic wave equations in transversely isotropic media using optimized pseudo-analytical method, 79th EAGE Conference & Exhibition, Extended Abstracts. [3] Shigang Xu, Yang Liu, 2017, Optimal explicit and implicit rotated staggered-grid finite-difference schemes for seismic modeling in elastic TTI media, 79th EAGE Conference & Exhibition, Extended Abstracts. [4] Xin Liu, Yang Liu, 2017, A perfectly matched layer boundary condition for acoustic wave simulation in mesh-free discretization using frequency domain RBF-FD, 87th SEG Annual International Meeting & Exhibition, Expanded Abstracts. [5] Xiao Wu, Yang Liu, Xiaohui Cai, 2017, Comparison of Three Elastic Wavefield Decomposition Methods and Their Applications in Multidirectional Vector Imaging, 87th SEG Annual International Meeting & Exhibition, Expanded Abstracts. [6] Shigang Xu, Yang Liu, 2017, Effective simulation of pure acoustic wave equation in TTI media, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [7] Zhennan Yu, Yang Liu, 2017, Offset domain common image gather based wave-equation migration velocity analysis, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [8] Lekai Zhou, Yang Liu, Zhiming Ren, Han Zhong, Yuhang Sun, 2017, VSP wavefield decomposition using global and local optimization-based inversion, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [9] Hongyu Zhou, Yang Liu, Xiaohui Cai, Enjiang Wang, Shigang Xu, Jing Wang, 2017, Accelerating viscoacoustic wave extrapolation by parallelizing local spectral operator, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [10] Han Zhong, Yang Liu, Jinpeng Liu, Lekai Zhou, 2017, An effective method to predict porosity using GA-WNN hybrid algorithm, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [11] Yuhang Sun, Tiansheng Chen, Yuxin Ji, Lei Shi, Yang Liu, Lekai Zhou, 2017, Russell Fluid Factor-based PP and PS Elastic Impedance Joint Inversion, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [12] Mi Zhang, Yang Liu, 2017, Seismic data interpolation based on radial basis function, 2017 CGS/SEG International Geophysical Conference, Expanded Abstracts. [13] Hao Xue, Yang Liu, 2017, VSP reverse time migration based on complex wavefield decomposition, 2017 SEG Carbonate Reservoir E&P Workshop, Expanded Abstracts. [14] Yabing Zhang, Yang Liu, Yonglin Ouyang, Qingcai Zeng, Jiangqiang Huang, Multiwave AVO joint inversion in time-frequency domain based on Bayesian inference, 2017 SEG Carbonate Reservoir E&P Workshop, Expanded Abstracts. 2016[15] Shigang Xu, Yang Liu, 2016, First-order hybrid absorbing boundary condition of elastic wave equations forward modelling in TTI Media, 78th EAGE Conference & Exhibition, Extended Abstracts. [16] Shigang Xu, Yang Liu, 2016, Acoustic TTI Modelling with a time-space domain finite-difference stencil, 78th EAGE Conference & Exhibition, Extended Abstracts. [17] Luping Qu, Yang Liu, P. Yong, 2016, A method for fast elastic wave imaging, 78th EAGE Conference & Exhibition, Extended Abstracts. [18] Luping Qu, Yang Liu, P. Yong, 2016, An explicit time evolution method for 3D acoustic wave propagation based on staggered grids, 78th EAGE Conference & Exhibition, Extended Abstracts. [19] Xin Liu, Yang Liu, 2016, 3D elastic wave modeling using hybrid absorbing boundary condition and global optimal implicit finite-difference scheme, 78th EAGE Conference & Exhibition, Extended Abstracts. [20] Enjiang Wang, Yang Liu, 2016, Reverse time migration using analytical wavefield and wavefield decomposition imaging condition, 86th SEG Annual International Meeting & Exhibition, Expanded Abstracts. 2015 [21] Zhiming Ren, Yang Liu, 2015, An elastic full-waveform inversion method based on wavefiled separation, 77th EAGE Conference & Exhibition, Extended Abstracts. [22] Enjiang Wang, Yang Liu, 2015, Finite difference modelling with (2M)th-order spatial and (2N)th-order temporal accuracies for 2D acoustic wave equation, 77th EAGE Conference & Exhibition, Extended Abstracts. [23] Bei Li, Yang Liu, 2015, Acoustic finite-difference modeling on locally adjusted grid in the presence of rugged topography, 77th EAGE Conference & Exhibition, Extended Abstracts. [24] Bei Li, Yang Liu, 2015, Method for Generating Expected Wavelet in 2-D Rotated-staggered Grid Finite-difference Scheme, 77th EAGE Conference & Exhibition, Extended Abstracts. [25] Xiaohui Cai, Yang Liu, Zhiming Ren, 2015, Elastic reverse-time migration based on the optimal staggered-grid finite-difference scheme, 85th SEG Annual International Meeting & Exhibition, Expanded Abstracts. [26] Qiang Ge, Yang Liu, 2015, PP and PS AVO Joint Inversion for P- and S- Wave Moduli before NMO Correction, 85th SEG Annual International Meeting & Exhibition, Expanded Abstracts. 2014 [27] Ren Zhiming, Liu Yang, Wei Xiucheng and Tiansheng Chen, 2014, Elastic Full Waveform Inversion Using the Time-space Domain Adaptive Staggered-grid Finite-difference Method, 76th EAGE Conference & Exhibition, Extended Abstracts. [28] Cai Xiaohui, Liu Yang, Wang Jianmin and Wang Weihong, 2014, Reverse Time Migration Using Both Primaries and Multiples Based on the Adaptive Optimal Finite-difference Scheme, 76th EAGE Conference & Exhibition, Extended Abstracts. [29] Cai Xiaohui, Liu Yang, Wang Jianmin and Wang Weihong, 2014, 3D Acoustic Wave Modelling with a Globally Optimal Finite-difference Scheme Based on Least Squares, 76th EAGE Conference & Exhibition, Extended Abstracts. [30] Zhao Yan, Liu Yang, Hu Guangyi and Fan Tingen, 2014, Time-varying Wavelet Estimation and Deconvolution Using VSP Data, 76th EAGE Conference & Exhibition, Extended Abstracts. [31] Wang Enjiang, Liu Yang, Wei Xiucheng and Ji Yuxin, 2014, Numerical Modeling of 2D Elastic Wave Propagation in Porous VTI Medium Using Implicit Rotated Staggered Grid FD Method, 76th EAGE Conference & Exhibition, Extended Abstracts. [32] Hou Dongjia and Liu Yang, 2014, PP and PS AVO joint Inversion for P- and S-wave Moduli, 76th EAGE Conference & Exhibition, Extended Abstracts. [33] Xiao Wu and Yang Liu, 2014, Visco-elastic modeling of refractions and its application in converted wave static correction, 84th SEG Annual International Meeting & Exhibition, Expanded Abstracts. [34] Xuxuan Li, Zhiming Ren, Yang Liu, Guangyi Hu and Tingen Fan, 2014, A multicomponent wavefield decomposition method for VSP data based on global optimization, 84th SEG Annual International Meeting & Exhibition, Expanded Abstracts. [35] Xuxuan Li, Yang Liu, Xianwen Zhang, Guanyi Hu, Ting'en Fan, Yongquan Jing and Shufang Ma, 2014, Walkaway VSP data processing methods and their application in H oilfield, 84th SEG Annual International Meeting & Exhibition, Expanded Abstracts. 2013 [36] Liu Yang, 2013, An optimal finite-difference scheme based on least squares for acoustic modeling, 83rd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [37] Zhang Xi, Liu Yang, Ren Zhiming, 2013, A hybrid absorbing boundary condition with AWWEs for finite-difference modeling, 83rd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [38] Yang Zongqing, Liu Yang, Ren Zhiming, 2013, Comparisons of viscous acoustic wave equations, 83rd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [39] Liu Yang, 2012, Finite-difference modeling with a minimal computation cost, 82nd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [40] Ren Zhiming, Liu Yang, 2013, Multi-scale full waveform inversion using the second generation wavelet, 75th EAGE Conference & Exhibition, Extended Abstracts. [41] Ren Zhiming, Liu Yang, 2013, Comparison of hybrid absorbing boundary condition and perfectly matched layer for frequency-domain elastic modeling, 75th EAGE Conference & Exhibition, Extended Abstracts. 2012 [42] Ren Zhiming, Liu Yang, 2012, A hybrid absorbing boundary condition for frequency-domain visco-acoustic finite-difference modeling, 82nd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [43] Zhang Yuankai, Liu Yang, 2012, 3D poroviscoelastic rotated staggered finite-difference modeling with PML absorbing boundary conditions, 82nd SEG Annual International Meeting & Exhibition, Expanded Abstracts. [44] Liu Yang, Yan Hongyong, 2012, Acoustic finite-difference prestack reverse time migration with adaptive variable length spatial operators, 74th EAGE Conference & Exhibition, Expanded Abstracts. [45] Zhao Yan, Liu Yang, Li Xuxuan, Jiang Nansen, 2012, An approach of inverse Q filtering considering time-frequency domain signal-to-noise ratio, 74th EAGE Conference & Exhibition, Expanded Abstracts. 2011 [46] Liu Yang, Sen Mrinal K., 2011, Finite-difference modeling with variable length spatial operators and time steps, 81st SEG Annual International Meeting & Exhibition, Expanded Abstracts, 2834-2837. [47] Liu Yang, Sen Mrinal K., 2011, Comparisons between the hybrid ABC and the PML method for 2D high-order finite-difference acoustic modeling, 81st SEG Annual International Meeting & Exhibition, Expanded Abstracts, 2952-2956. [48] Liu Yang, Sen Mrinal K., 2010, Finite-difference modeling with variable space operator lengths, 80th SEG Annual International Meeting & Exhibition, Expanded Abstracts, 2930-2934. [49] Liu Yang, Sen Mrinal K., 2011, Time-space domain finite-difference method with arbitrary even-order accuracy for the 2D acoustic wave equation, 73rd EAGE Conference & Exhibition, Extended Abstracts. [50] Ma Jitao, Chen Xiaohong, Liu Yang, 2011, VSP multiple attenuation theory using SRME technique, 73rd EAGE Conference & Exhibition, Extended Abstracts. 2010 [51] Liu Yang, Sen Mrinal K., 2010, A hybrid absorbing boundary condition for elastic wave modeling with staggered-grid finite difference, 80th SEG Annual International Meeting & Exhibition, Expanded Abstracts, 2945-2949. [52] Ma Jitao, Sen Mrinal K., Chen Xiaohong, Liu Yang, 2010, OBC Multiple Attenuation Technique Using SRME Theory, 80th SEG Annual International Meeting & Exhibition, Expanded Abstracts, 3473-3477. [53] Liu Yang, Sen Mrinal K., 2010, 3D acoustic wave modeling with a time-space domain dispersion-relation-based finite-difference scheme, 8th International Conference & Exposition on Petroleum Geophysics, Expanded abstract, ID82. 2009 [54] Liu Yang, Sen Mrinal K., 2009, Acoustic VTI modeling by a new time-space domain high-order finite-difference Method, 79th SEG Annual International Meeting & Exhibition, Expanded Abstracts, ID27, 2727-2731. [55] Liu Yang, Sen Mrinal K., 2009, 2D acoustic wave equation modeling with a new high-accuracy time-space domain finite-difference stencil, 71st EAGE Conference and Exhibition - Extended Abstracts, v3, p2026-2030. [56] Liu Yang, Sen Mrinal K., 2009, A new time-space domain high-order finite-difference method for acoustic wave equation, CPS/SEG Beijing 2009 International Geophysical Conference & Exposition, Expanded abstract, ID54. [57] Zhang Liyan, Wang Jianmin, Liu Yang, 2009, Converted-wave angle-domain amplitude preserving common image-gathers, CPS/SEG Beijing 2009 International Geophysical Conference & Exposition, Expanded abstract, ID1030. [58] Zhang Liyan, Liu Yang, Chen Shumin, 2009, Analysis and application of pseudo-offset method in the anisotropic converted wave prestack time migration, CPS/SEG Beijing 2009 International Geophysical Conference & Exposition, Expanded abstract, ID1031. Before 2009 [59] Liu Yang, Wei Xiucheng, 2005, Interval Q inversion from CMP gathers: part I-absorption equation, 75nd SEG Annual International Meeting & Exhibition, Expanded Abstracts, 1717-1720. [60] Liu Yang, Wei Xiucheng, 2005, Interval Q inversion from CMP gathers: part II-inversion method, 75nd SEG Annual International Meeting & Exhibition, Expanded Abstracts, 1721-1724. [61] Wei Xiucheng, Li Xiang-Yang, Liu Yang, 2005, The application of equivalent velocity in multi-component VSP data processing, 67th EAGE Conference and Exhibition, incorporating SPE EUROPE2005 - Extended Abstracts, 2283-2286. [62] Wei XiuCheng, Liu Yang, 2002, The study of static correction in desert and loose terrain, 72nd SEG Annual International Meeting & Exhibition, Expanded Abstracts, 2, 2249-2252. [63] Liu Yang, Wei Xiucheng, 2001, Stability criterion of elastic wave modeling by Fourier method in arbitrary anisotropic media, 71st SEG Annual International Meeting & Exhibition, Expanded Abstracts. [64] Liu Yang, Wei Xiucheng, 2001, Finite element modeling of seismic wave propagation in two-phase anisotropic media, 71st SEG Annual International Meeting & Exhibition, Expanded Abstracts. [65] He Bingshou, Wei Xiucheng, Liu Yang, Zhang Jianjun, 2001, Theoretical Analyses of Time-lapse Exploration Method, 71st SEG Annual International Meeting & Exhibition, Expanded Abstracts. [66] Liu Yang, Wei Xiucheng, 2000, Fast P-wave AVO in fluid-saturated porous, aligned fractured media, 70th SEG Annual International Meeting & Exhibition, Expanded Abstracts, 162-165. [67] Liu Yang, Wei Xiucheng, 2000, Study of converted-wave processing method with high precision, Second Russian-China Oil Geophysical Seminar, Technical Abstracts, 80-89. [68] Liu Yang, Mou Yongguang, Li Chengchu, 1998, Numerical simulation of seismic response in two-phase, anisotropic media, CPS/SEG Beijing’98 International Geophysical Conference and Exposition, Expanded Abstracts, 793-796.