Yu, Changpeng, Assistant Professor

RESEARCH INTERESTS

Oil/gas exploration seismology; Seismic characterization of oil/gas reservoir; Pore pressure prediction;

Fluid induced seismicity in the unconventional oil/gas and geothermal reservoirs; Source mechanisms of induced microearthquakes;

Velocity anisotropy and attenuation of Earth medium.

CAREER

2011–2016, Research assistant in PHASE Consortium of microseimicity, Free University of Berlin. 

Topic: Microseismic monitoring in the anisotropic media

Task: Data collecting and processing, anisotropic ray tracing, anisotropic velocity inversion, event location, rock physics analysis, fracture analysis

2016 – 2019, PostDoc position in the section of Geomechanics and Scientific Drilling, GFZ Potsdam, Germany. 

Topic: Source mechanisms of induced microearthquakes in The Geysers geothermal reservoir. 

Task: Data collecting and processing, moment tensor inversion and interpretation, advanced analyses of source mechanisms, faulting regime and stress tensors

EDUCATION

2011 – 2016, PhD in Geophysics, Department of Earth Sciences, Free University of Berlin. Thesis: Microseismic inversion for anisotropic velocity model in unconventional reservoirs

2008 – 2011, MSc in Geophysics, Institute of Geophysics and Geomatics, China University of Geosciences (Wuhan). Thesis: Full-Waveform inversion for subsurface Q structure

2004 – 2008, BSc in Geophysics, Institute of Geophysics and Geomatics, China University of Geosciences (Wuhan). Thesis: Velocity analysis in exploration seismology

MEMBERSHIPS

American Geophysical Union (AGU)

Seismological Society of America (SSA)

Society of Exploration Geophysicists (SEG)

European Association of Geoscientists and Engineers (EAGE)

PUBLICATIONS

Peer-reviewed papers

Yu, C., Vavryčuk, V., Adamová, P., & Bohnhoff, M. ( 2019). Frequency-dependent moment tensors of induced microearthquakes. Geophysical Research Letters, 46, 6406-6414. https://doi.org/10.1029/2019GL082634

Yu, C., Vavryčuk, V., Adamová, P., & Bohnhoff, M. ( 2018). Moment tensors of induced microearthquakes in The Geysers geothermal reservoir from broadband seismic recordings: Implications for faulting regime, stress tensor, and fluid pressure. Journal of Geophysical Research: Solid Earth, 123(10), 8748– 8766. https://doi.org/10.1029/2018JB016251

Peer-reviewed extended  abstracts

Yu, C. & Shapiro, S. A. (2015). Rock Physics Constrained Estimation of Shale Anisotropy for Microseismic Processing - From VTI to ORThorhombic. EAGE Technical Program Expanded Abstracts. https://doi.org/10.3997/2214-4609.201413114

Yu, C. & Shapiro, S. A. (2014). Seismic anisotropy of shale: Inversion of microseismic data. SEG Technical Program Expanded Abstracts. https://doi.org/10.1190/segam2014-1251.1

Yu, C., Reshetnikov, A., & Shapiro, S. A. (2013). Simultaneous inversion of anisotropic velocity model and microseismic event location: Synthetic and real data examples. EAGE Technical Program Expanded Abstracts. https://doi.org/10.3997/2214-4609.20130407

Yu, C., Yu, W. H. & Qu, Z. (2009). Methodology of 3D velocity-variant depth mapping in complex fault-block area. CPS/SEG Technical Program Expanded abstracts. https://doi.org/10.1190/1.3603679

Abstracts

Yu, C. P., Vavryčuk, V. et al. (2017). PCA-based moment tensor inversion of induced earthquakes in The Geysers geothermal reservoir. 2nd Schatzalp Workshop on Induced Seismicity, Davos. 

Yu, C. P., Vavryčuk, V. et al. (2017). Source Mechanisms of Induced Earthquakes In The Geysers Geothermal Reservoir. Annual Meeting of Seismological Society of America, Denvor. 

Yu, C. & Shapiro, S. A. (2014). Orthorhombic Velocity Model Building for Microseismic Processing with Constraints of Rock Physics and Geological Setting. 5th EAGE Passive Seismic Workshop，Portugal.

Yu, C. P., Yu, W. H. and Qu, Z. (2010). Preliminary investigation of integrated inversion of quality factor and interval velocity. International Workshop on Multiple-scale Geodynamics of Continental Interiors, Wuhan.