Dr. Jian-guo Zhao (full professor, PhD supervisor)

Jian-guo Zhao is a professor at the Department of Geophysics, China University of Petroleum (Beijing). He got bachelor and master degrees from Department of Geophysics in Jilin University in 1998 and 2002, respectively, and he got his PhD from Tohoku University, Japan in 2006. He started his career at the Department of Geophysics in China University of Petroleum, Beijing. His interests include seismic wave modelling, oil&gas exploration-oriented seismic rock physics and reservoir prediction and fluid identification, forward and inversion of electromagnetic geophysics, borehole electromagnetic methods, GPR and borehole radar applications in petroleum and civil engineering, artificial intelligence applications in geosciences and civil engineering. He published tens of papers in international journals and is a principal investigator for more than twenty projects including five NSFC (National Natural Science Foundation of China projects.

Contact: zhaojg@cup.edu.cn

Recruitment of International students and post doctors:

International students for master and PhD study are welcome. I would be happy to assist the candidates to apply for the CSC or university scholarships. Please read my profile below before sending emails to me. Postdoctoral positions are open at any time. Any PhD holder with interests in seismic wave propagation theory, seismic rock physics, reservoir prediction and fluid identification, forward and inversion of electromagnetic geophysics, borehole electromagnetic methods, GPR and borehole radar applications in petroleum and civil engineering, artificial intelligence applications in geosciences and civil engineering are welcome. Please contact me to discuss the project topics and salary.

Educational Background

Ph.D., Geophysics, Tohoku University, 2006

M.Sc., Geophysics, Jilin University, 2002

B.Sc., Geophysics, Changchun college of Geoscience, 1998

Research Interests & Projects

Seismic rock physics

Seismic wave modelling and full waveform inverison

Computational electromagnetics

Applications of fully polarimetirc GPR and borehole Radar in civil engineering and geosciences

Artificial intelligence in geosciences

2021-2024 Study on multi-band seismic rock physical response mechanism in Yingqiong Basin characterized by ultra-high temperature and pressure, funded by by Natural Science Foundation of China (NSFC Major project), project manager

2020-2023 Seismic wave dispersion imaging driven by multi-band experimental and theoretical study of rock physics, funded by by Natural Science Foundation of China (NSFC), project manager

2016-2019 Multi-band (from seismic to ultrasonic frequencies) laboratory techniques-based rock physics experiments and theoretical model studies on carbonate reservoir, funded by Natural Science Foundation of China (NSFC), project manager

2013-2016 Fully polarimetric borehole radar multi-polarization components-based joint full-waveform inversion in frequency domain and radar polarimetry analysis, funded by Natural Science Foundation of China (NSFC), project manager

2011-2013 Study and application of low frequency seismic response characteristics in heterogenous reservior, funded by China National Petroleum Corporation(CNPC), vice project manager

2007-2010 Joint inversion and Interpretation of Gravity, Electromagnetic and Seismic data, funded by National High Technology Research and Development Program of China(863 program), vice project manager

2007-2010 A fully polarimetric borehole radar based forward modeling, inversion and radar polarimetry study, funded by Natural Science Foundation of China(NSFC), project manager

2007-2010 Polarimetric attribute analysis of fully polarimetric electromagnetic wavefield, funded by Ministry of Education, project manager

Experience

2015-present Professor, College of Geophysics and Information Engineering, China University of Petroleum – Beijing

2006-2015 Associate Professor, College of Geophysics and Information Engineering, China University of Petroleum – Beijing

2008-2009 Visiting Scientist, Colorado School of Mines, Golden, United States

2008-2009 Visiting Scientist, Stanford University, California, United States

2017.6-2017.9 Visiting Professor, University of Albert, Canada

1998-1999 Construction & Design Institute of Northeast Prospecting Corporation, Changchun, Jilin Province, China. Technician. Worked on Engineering prospecting and signal processing.

Awards & Honors

2015 The sixth Guang-ding Liu geophysical youth awards

2010 Chosen into "Cultivation and Subsidy Program for Excellent Talents in Beijing" by Organization Department of CPC Beijing Committee

2009 Chosen into "Science and Technology New Star Program in Beijing" by Beijing Municipal Science and Technology Commission

2009 Chosen into "Youth Committee of Chinese National Committee of World Petroleum Congress (WPC)"

2002 Japanese Government Scholarship

Journal Publications

[1] Muhammad Ajaz, Fang Ouyang, Gui-Hai Wang, Shuang-Lian Liu, Li-Xin Wang, and Jian-guo Zhao*, “Fluid identification and effective fracture prediction based on frequency-dependent AVOAz inversion for fractured reservoirs”, Petroleum Science, Vol. 18(4), pp. 1069-1085.

[2] ZHAO JianGuo, PAN JianGuo, HU YangMing, LI JinSong, YAN BoHong, LI Chuang, SUN LangQiu, LIU XinZe. 2021. Digital rock physics-based studies on effect of pore types on elastic properties of carbonate reservoir Part 1: Imaging processing and elastic modelling. Chinese Journal of Geophysics (in Chinese), 64(2): 656-669, doi: 10.6038/cjg2021O0228

[3] ZHAO JianGuo, PAN JianGuo, HU YangMing, LI JinSong, LIU XinZe, LI Chuang, YAN BoHong. 2021. Digital rock physics-based studies on effect of pore types on elastic properties of carbonate reservoir Part 2: Pore structure factor characterization and inversion of reservoir. Chinese Journal of Geophysics (in Chinese), 64(2): 670-683, doi: 10.6038/cjg2021O0227

[4] LONG Teng, ZHAO JianGuo*, LIU XinZe, LI Zhi, XIAO ZengJia, WANG ZiZhen, OUYANG Fang. 2020. Cross-band rock physics measurement and theoretical modeling of carbonate rocks—Study on the effect of different pore structures on the dispersion and attenuation of carbonate rocks. Chinese Journal of Geophysics (in Chinese), 63(12): 4502-4516, doi: 10.6038/cjg2020O0234

[5] OUYANG Fang, ZHAO JianGuo*, LI Zhi, XIAO ZengJia, HE YanXiao, DENG JiXin, ZHAO Hao, REN Jing. 2021. Modeling velocity dispersion and attenuation using pore structure characteristics of rock. Chinese Journal of Geophysics (in Chinese), 64(3): 1034-1047, doi: 10.6038/cjg2021O0355

[6] OUYANG Fang, ZHAO JianGuo*, LI Zhi, XIAO ZengJia, HE YanXiao, ZHAO Hao, REN Jing. 2021. Inversion of pore aspect ratio distribution based on effective medium theories. Chinese Journal of Geophysics (in Chinese), 64(3): 1016-1033, doi: 10.6038/cjg2021O0348

[7] LI Chuang, ZHAO JianGuo*, WANG HongBin, PAN JianGuo, LONG Teng, DENG JiXin, LI Zhi. 2020. Multi-frequency rock physics measurements and dispersion analysis on tight carbonate rocks. Chinese Journal of Geophysics (in Chinese), 63(2): 627-637, doi: 10.6038/cjg2019M0294

[8] Jianguo Zhao, Yan-Xiao He, Gang He, and Shangxu Wang, “A novel approach for evaluating gas saturation effects on the phase reversal characteristics of seismic AVO responses from strongly attenuating reservoirs”, IEEE Geoscience and Remote Sensing Letters, 2021, 1558-0571 (1545-598X)1: 1-5.

[9] Yan-Xiao He, Shang-Xu Wang, Rui Guo, Sanyi Yuan, Jianguo Zhao*, Mo Chen, “A novel reservoir characterization method based on an improved phase decomposition of seismic reflections from thin-layer targets”, IEEE Geoscience and Remote Sensing Letters, 2021.

[10] Fang Ouyang, Jian-guo Zhao*, Shikun Dai, and Shangxu Wang, “Seismic wave modeling in vertically varying viscoelastic media with general anisotropy”, Geophysics, Vol. 86 (4), 2021.

[11] Fang Ouyang, Jian-guo Zhao*, Shikun Dai, and Shangxu Wang, “Shape-function-based non-uniform Fourier transforms for seismic modeling with irregular grids”, Geophysics, Vol. 86 (4), 2021.

[12] Yan-Xiao He, Gang He, Sanyi Yuan, Jianguo Zhao*, Shangxu Wang, “Bayesian Frequency-Dependent AVO Inversion Using an Improved Markov Chain Monte CarloMethod for Quantitative Gas Saturation Prediction in a Thin Layer”, IEEE Geoscience and Remote Sensing Letters, Print ISSN: 1545-598X, Online ISSN: 1558-0571, Digital Object Identifier: 10.1109/LGRS.2020.3046283, 2021.

[13] Jian-Guo Zhao, Genyang Tang, Jixin Deng, Xiaolong Tong, Shangxu Wang, “Determination of rock acoustic properties at low frequency: A differential acoustical resonance spectroscopy device and its estimation technique”, GEOPHYSICAL RESEARCH LETTERS, VOL. 40, 1–8, doi:10.1002/grl.50346, 2013.

[14] Jing-Ba, Jian-guo Zhao*, Jose M. Carcione, Xing-xing Huang, “Compressional wave dispersion due to rock matrix stiffening by clay squirt flow”, Geophysical Research Letter, DOI: 10.1002/2016GL069312, 2016.

[15] Shangxu Wang, Jian-Guo Zhao*, Zhen-hua Li, Jerry M. Harris, Youli Quan, “Differential Acoustic Response Spectroscopy for Acoustic Measurement of Small and Irregular Samples,” Journal of Geophysical Research, Vol. 117(B06203), June, 2012.

[16] Jian-guo Zhao* Xing-xing Huang Wei-fang Liu Wei-jun Zhao Jian-yong Song Bin XiongShang-xu Wang, “2.5-D frequency-domain viscoelastic wave modelling using finite-element method”, Geophysical Journal International, Volume 211, Issue 1, 1 October 2017, Pages 164–187, https://doi.org/10.1093/gji/ggx273.

[17] Jian-guo Zhao, Shang-xu Wang, Han-jun Yin etc, “Differential Acoustic Resonance Spectroscopy: Improved theory and application in the low frequency range”, Geophysical Journal International, vol. 202, pp. 1775-1791, 2015.

[18] Xin-yuan Luan, Bang-rang Di, Jian-xin Wei, Jian-guo Zhao*, and Xiang-yang Li, “Creation of synthetic samples for physical modelling of natural shale”, Geophysical Prospecting, vol. 64, pp. 898-914, 2016.

[19] J. G. Zhao and M. Sato, “Radar polarimetry analysis applied to single-hole fully polarimetric borehole radar,” IEEE Transaction on Geosc. and Remote Sensing, vol. 44, pp. 3547-3554, Dec. 2006.

[20] J. G. Zhao and M. Sato, “Consistency analysis of subsurface fracture characterization with several polarimetry techniques,” IEEE Geosc. and Remote Sensing Letters, vol.4, No. 3, pp. 359-363, July 2007.

[21] Hai, Liu, Jian-guo Zhao*, and Motoyuki Sato, “A Hybrid Dual-Polarization GPR System for Detection of Linear Objects”, IEEE Antenna and Wireless Propagation Letters, Vol. 14, pp. 317-320, 2014.

[22] J. G. Zhao and M. Sato, “Experimental implementation and assessment of two polarimetric calibration approaches applied for a fully polarimetric borehole radar”, Journal of Geophysics and Engineering, vol. 5, No. 2, pp. 232-242, 2008.

[23] Jian-guo Pan, Hong-bin Wang, Chuang Li, and Jian-guo Zhao*, “Effect of pore structure on seismic rock-physics characteristics of dense carbonates”, Applied Geophysics, Vol. 12(1), DOI: 10. 1007/s11770-014-0477-1, 2015.

[24] ZHAO Jian-Guo, SHI Rui-Qi, CHEN Jing-Yi, PAN Jian-Guo, WANG Hong-Bin. An matched Z-transform perfectly matched layer absorbing boundary in the numerical modeling of viscoacoustic wave equations[J]. Chinese Journal of Geophysics (in Chinese), 2014, 57(4): 1284-1291, doi: 10.6038/cjg20140425

[25] Zhao Jianguo，Shi Ruiqi，Chen Jingyi，Zhao Weijun，Wang Hongbin，Pan Jianguo. Application of Auxiliary Differential Equation Perfectly Matched Layer for Numerical Modeling of Acoustic Wave Equations[J].Journal of Jilin University(Earth Science Edition), 2014, 44(2): 675-682.

[26] Jian-Guo Zhao, Rui-Qi Shi, “A perfectly matched layer absorbing boundary condition for the finite-element time-domain modeling of elastic wave equation”, Applied Geophysics, 2013, Vol. 10, No.3, p. 323-336: DOI: 10.1007/s11770-013-0388.

[27] Han-jun Yin, Jian-guo Zhao, Geng-yang Tang, Li-ming Zhao, Xiao-yi Ma, and Shang-xu Wang*, “Pressure and Fluid Effect on Frequency-Dependent Elastic Moduli in Fully Saturated Tight Sandstone”, Journal of Geophysical Research: Solid Earth, DOI: 10.1002、2017JB014244，2017.

[28] Han-jun Yin, Jian-guo Zhao, Geng-yang Tang, Xiao-yi Ma, and Shang-xu Wang*, “Numerical and experimental investigation of a low-frequency measurement technique: differential acoustic resonance spectroscopy”, Journal of Geophysics and Engineering, vol. 13, pp. 342-353, 2016.

[29] J. G. Zhao and M. Sato, “A fully polarimetric borehole radar based numerical modelling：fully polarimetric response to synthetic natural fractures,” Progress in Electromagnetics Research Symposium (PIERS) ，pp. 66-70, July, 2010, Cambridge.

[30] Chao Sun, Geng-yang Tang, Jian-guo Zhao, Li-ming Zhao, and Shang-xu Wang, “Three-dimensional numerical modelling of the drained/undrained transition for frequency-dependent elastic moduli and attenuation, Geophysical Journal International, 2019, 219(1): 27-38.

[31] He, Yan Xiao, Wu, Xinyu, Wang, Shangxu, and Zhao, Jianguo, “Reflection dispersion signatures due to wave-induced pressure diffusion in heterogeneous poroelastic media, Exploration Geophysics, 2019, 50(5): 541-553.

[32] MA Xiao-yi, WANG Shang-xu, ZHAO Jian-guo, ZHAO Li-ming, LONG Teng. 2018. Laboratory study of rocks in multi-frequency band.Progress in Geophysics. 33(5): 1943-1950.doi: 10.6038/pg2018CC0144.

[33] Ma, XY., Wang, SX., Zhao, JG. et al. Velocity dispersion and fluid substitution in sandstone under partially saturated conditions. Appl. Geophys. 15, 188–196 (2018). https://doi.org/10.1007/s11770-018-0683-8.

[34] Wen-jun XING, Kai-long WU, Xin WU, Wen-hui XU, Teng LONG, Zhi-jun LIU, Bin XIONG, Jian-guo ZHAO*. 2018. Multi-frequency laboratory measurement of rock physics property on sandstone.Progress in Geophysics. 33(4): 1609-1616.doi: 10.6038/pg2018BB0350.

[35] Xiao-Yi Ma, Shang-Xu Wang, Jian-guo Zhao, Han-Jun Yin, and Li-ming Zhao, “Velocity dispersion and fluid substitution in sandstone under partially saturated conditions”, Applied Geophysics, vol. 15, No.2, p. 188-196, 2018.

[36] Chao Sun, Geng-yang Tang, Jian-guo Zhao, Li-ming Zhao, and Shang-xu Wang, “An enhanced broad-frequency-band apparatus for dynamic measurement of elastic moduli and Poisson’s ratio of rock samples”, Review of Scientific Instruments, 89064503 (2018); https://doi.org/10.1063/1.5018152.

[37] Zhao, Liming, Tang, Genyang, Wang, Shangxu, Zhao, Jianguo, Wang, Xingmou, Liu, Haojie, Wei, Guohua, Sun, Chao, Li, Minlong, Li, Min, Laboratory study of oil saturation and oil/water substitution effects on a sandstone's : modulus dispersion and attenuation, Exploration Geophysics, 2019, 50(3): 324-335.

[38] Pan, JG., Deng, JX., Li, C. et al. Effects of micrite microtextures on the elastic and petrophysical properties of carbonate reservoirs. Appl. Geophys. 16, 399–413 (2019). https://doi.org/10.1007/s11770-019-0777-y

[39] ZHAO Liming, TANG Genyang, WANG Shangxu, DONG Chunhui, HE Yanxiao, ZHAO Jianguo, SUN Chao, HAN Xu. Low-frequency seismic rock physics measurement system improvement and experiments on tight sandstone. Petroleum Science Bulletin, 2019, 02: 111-122.

[40] Jian-xin Wei, Jian-guo Zhao, Shuai Da, Ping-bo Ding, Bang-rang Di, and Shu-yuan Qin, “Estimations of P- and S-wave velocities and anisotropy from measurements on artificial fractured samples”, Geophysics, 2018.

[41] Rong Peng, Bangrang Di, Jianxin Wei, Pinbo Ding, Jianguo Zhao, Xiao Pan, and Zichun Liu, “Experimental study of the seismoelectric interface response in wedge and cavity models”, Geophysical Journal International, Volume 210, Issue 3, 1 September 2017, Pages 1703–1720, https://doi.org/10.1093/gji/ggx253.

[42] Chai, X., S. Wang, S. Yuan, J. Zhao, L. Sun, and X. Wei, 2014, Sparse reflectivity inversion for nonstationary seismic data: Geophysics, 79, no. 3, V93-V105, doi: 10.1190/GEO2013-0313.1.

[43] Cheng Jingyi, Jian-Guo Zhao, “Application of the nearly perfectly matched layer to seismic wave propagation modeling in elastic anisotropic media,” Bull. Seism. Soc. Am., Vol. 101, No.6, pp. 2866-2871, Dec. 2011.

[44] Hai-qiang Lan, Jing-yi Chen, Zhong-jie Zhang, You-shan Liu, Jian-guo Zhao, and Rui-qi Shi, “Application of a perfectly matched layer in seismic wavefield simulation with an irregular free surface”, Geophysical Prospecting, doi: 10.1111/1365-2478. 12260.

[45] WEI Xian, WANG Shang-Xu, ZHAO Jian-Guo, TANG Gen-Yang, DENG Ji-Xin. Laboratory study of velocity dispersion of the seismic wave in fluid-saturated sandstones[J]. Chinese Journal of Geophysics (in Chinese), 2015, 58(9): 3380-3388, doi: 10.6038/cjg20150930

[46] DENG Ji-Xin, ZHOU Hao, WANG Huan, ZHAO Jian-Guo, WANG Shang-Xu. The influence of pore structure in reservoir sandstone on dispersion properties of elastic waves[J]. Chinese Journal of Geophysics (in Chinese), 2015, 58(9): 3389-3400, doi: 10.6038/cjg20150931

[47] Wei Xian,Wang Shangxu,Zhao Jianguo,Deng Jixin. Laboratory investigation of influence factors on vP and vS in tight sandstone. Geophysical Prospecting for Petroleum, 2015, 54(1): 9-16.

[48] Shi Ruiqi, Wang Shangxu, Guo Rui, Zhao Jianguo. Finite-element numerical modeling of elastic wave on unstructured meshes. OGP, 2013, 48(6): 915-923.

[49] Can ozsoy, Jingyi Chen, Qunshan Zhang, Jian-guo Zhao, and Gulsah Metin, “Nearly perfectly matched layer boundary condition for second-order anisotropic acoustic wave equations”, Journal of seismic exploration, Vol. 22, pp. 489-500, 2013.

[50] Ji-xin Deng, Shang-xu Wang, Gen-yang Tang, Jian-guo Zhao, “The influence of mesoscopic flow on the P-wave attenuation and dispersion in a porous medium permeated by aligned fractures”, Studia Geophysica et Geodaetica, 2013, 57(3), 482-506.

[51] Chun-hui Dong, Shang-xu Wang, Jian-guo Zhao, and Genyang Tang, “Numerical experiment and analysis of the differential acoustic resonance spectroscopy for elastic property measurements”, Journal of Geophysics and Engineering, 2013, 10(5): doi:10.1088/1742-2132/10/5/054002.

[52] Ruiqi Shi, Shangxu Wang, and Jian-Guo Zhao, “An unsplit complex-frequency-shifted PML based on matched Z-transform for FDTD modeling of seismic wave equations,” Journal of Geophysics and Engineering, Vol.9, No.2, pp. 218-229, 2012.