(L to R): Andrew Iverson, Faranak Mahmoudian, Jian Sun, Junxiao Li, Tim Cary, Yu Geng, Matt Eaid, Andrew Mills, Huixing Zhang, Kris Innanen, Nadine Igonin, Huaizhen Chen, Evan Mutual, Sergio Romahn, Emma Lv, Scott Keating, Shahpoor Moradi, Wenyong Pan, Khalid Almuteri, Ali Fathalian, Raul Cova.  Photo Credit: K Bertram, Sep 2016.


Kristopher A. Innanen
ES218 Dept. of Geoscience
University of Calgary
tel. +1 403 210 6837
em. k.innanen [AT] ucalgary.ca


University of Calgary Courses

GOPH 657 Seismic signal analysis 
GOPH 673 Theory of seismic inversion 
GOPH 355 Intro to exploration geophysics 
GOPH 549 Geophysics field school 

Short Courses 

i. The basics of Full Waveform Inversion
ii. The wave theoretical basis of FWI
iii. Multiple prediction: concepts and algorithms 


Postdoctoral fellows & visiting collaborators

Raul Cova (2017 -)
Marcelo Guarido (2017 -)
Huaizhen Chen (2015 - )

Graduate students (supervisor and co-supervisor)

Hormoz Izadi, PhD (2013 - )
Jian Sun, PhD (2013 - )
Scott Keating, PhD (2014 - )
Sergio Romahn, PhD (2014 - )
Junxiao Li, PhD (2014 - )
Ali Fathalian, PhD (2015 - )
Andrew Mills, MSc (2015 - )
Siming Lv, MSc (2015 - )
Evan Mutual (with D. Cho), MSc (2016 - )
Dennis Ellison (with R. Vestrum), MSc (2016 - )
Andrew Iverson, MSc (2016 - )
Tim Cary (with R. Lauer), MSc (2016 - )
Nadine Igonin (with D. Eaton), PhD (2016 - )
Matt Eaid, PhD (2016 - )
Hani Alzahrani (with D. Trad), PhD (2017 - )

Past students & researchers

Yu Geng, PDF 2015-17
Huixing Zhang, Visiting Scholar 2016-17
Raul Cova, PhD 2017
Wenyong Pan, PhD 2017
Shahpoor Moradi, PhD 2017
Khalid Almuteri, MSc 2017
Kiki Hong Xu, MSc 2017
Shahin Jabbari, PhD 2016
Tiansheng Chen, Visiting Scholar 2015
Pan Pan, MSc 2015
Steven Kim, MSc 2014
Hormoz Izadi, MSc 2012 
Melissa Hernandez, MSc 2012
Chris Bird, MSc 2012
Mostafa Naghizadeh, PDF 2010-11
Jose Lira, PhD 2009

Brief Bio & Info


2003 PhD Geophysics, UBC [Thesis]
1998 MSc Physics, York
1996 BSc Earth Science/Physics, York


2016- Director, CREWES Project
2009- Associate Professor of Geophysics, Univ. of Calgary

2009-15, Associate Director, CREWES Project
2005-09, Assistant Professor of Physics, Univ. of Houston


CSEG Recorder Special Issue Oct 2016: CREWES Research
CSEG Recorder interview
CREWES NSERC Grant Announcement
Geophysics teaching and the 2013 Calgary Floods

Research Interests

Fibre-optic (DAS) seismic sensing and acquisition

Fibre geometry and sensitivity
Active source and microseismic sensing
Multicomponent sensing with shaped fibres

Multiple prediction and removal
Inverse scattering multiple prediction in novel domains
3C data driven multiple prediction

Seismic full waveform inversion in the reservoir
Recovery of long-wavelengths with nonlinear FWI
Multiparameter elastic FWI and reservoir properties
QFWI: robust incorporation of attenuation in FWI
FWI on land: acquisition and preprocessing 

Seismic AVO/AVAz, impedance inversion, and full wave methods
Relationships between FWI, AVO and impedance inversion
FWI with reflection data and well-log constraints
Elastic impedance and elastic FWI
Seismic physical modelling in the laboratory

Workflows for validating AVO and AVAz
Workflows for validating multiple methods
Workflows for validating FWI

Recent Publications (2014 - present) 

W. Pan, K. A. Innanen and Y. Geng, Elastic full-waveform inversion and parameterization analysis applied to walk-away vertical seismic profiling data for unconventional reservoir characterization, 2017: submitted.

W. Pan, Y. Geng and K. A. Innanen, Interparameter tradeoff quantification and reduction in isotropic-elastic full waveform inversion: synthetic experiments and Hussar dataset application, 2017: submitted.

S. Keating and K. A. Innanen, Cross-talk and modelling errors in an-acoustic seismic full waveform inversion, 2017: submitted.

Y. Geng, W. Pan and K. A. Innanen, Frequency-domain full-waveform inversion with nonlinear descent directions, 2017: submitted.

S. Moradi and K. A. Innanen, Azimuth dependent scattering potentials and AVO/Az response in elastic and low-loss viscoelastic orthorhombic media, 2017: submitted.

S. Moradi and K. A. Innanen, Significance and behaviour of the homogeneous and inhomogeneous components of linearized viscoelastic reflection coefficients, 2017: submitted.

R. Cova, D. Henley  and K. A. Innanen, Computing near-surface velocity models for S-wave static corrections using ray-path interferometry, 2017: submitted.

J. Li, K. A. Innanen and G. Tao, A 3D pseudo-spectral method for SH wave simulation, 2017: submitted.

H. Chen, K. A. Innanen and T. Chen, Estimating P- and S-wave inverse quality factors from observed seismic data using an attenuative elastic impedance, 2017: submitted.

T. Chen and K. A. Innanen, Convergence properties of iterative AVO inversion given starting models determined by direct nonlinear inversion, 2017: submitted.

H. Zhang, P. Wang and K. A. Innanen, Frequency-dependent attenuation and dispersion in a modified patchy-saturated rock model, 2017: submitted.

H. Zhang and K. A. Innanen, Elastic wave equations and numerical solutions in a modified patchy-saturated model, 2017: submitted.

J. Sun and K. A. Innanen, Multidimensional inverse scattering series internal multiple prediction in the coupled plane-wave domain, 2017: Geophysics, accepted for publication.

H. Chen, Y. Ji and K. A. Innanen, Estimation of fluid/porosity term and dry fracture weaknesses using azimuthal elastic impedance, 2018: Geophysics83, 1, 1-17.

J. Li, K. A. Innanen and G. Tao, Extraction of reflected events from sonic log waveforms using the Karhunen-Loeve transform, 2017: Geophysics82, 5, D265-D277.

S. Moradi and K. A. Innanen, Born kernels and inversion sensitivities in viscoelastic transversely isotropic media, 2017: Geophysical Journal International211, 1177-1188.

J. Li, K. A. Innanen, G. Tao, K. Zhang and L. R. Lines, Wave field simulation of 3D borehole dipole radiation, 2017: Geophysics, 82, 3, D155-D169

R. Cova, D. Henley, X. Wei and K. A. Innanen, Addressing receiver-side near-surface corrections in the tau-p domain: a ray path consistent solution for converted wave processing, 2017: Geophysics, 82, 2, U13-U23.

W. Pan, K. A. Innanen and W. Liao, Accelerating Hessian-free Gauss-Newton full-waveform inversion via l-BFGS preconditioned conjugate-gradient algorithm, 2017: Geophysics
82, 2, R49-R64.

K. A. Innanen, Time- and offset-domain internal multiple prediction with non-stationary parameters, 2017: Geophysics82, 2, V105-V116.

K. A. Innanen et al., CSEG Recorder Special Issue: CREWES Research, 2016.

W. Pan, K. A. Innanen, G. F. Margrave, M. Fehler, X. Fang and J. Li, Estimation of elastic constants for HTI media using Gauss-Newton and full Newton multi-parameter full waveform inversion, 2016: Geophysics, 81, 5, E323-E339

S. Moradi and K. A. Innanen, Viscoelastic amplitude variation with offset equations with account taken of jumps in attenuation angle, 2016: Geophysics 81, 3, N17-N29.

S. Jabbari, J. Wong and K. A. Innanen, A theoretical and physical modelling analysis of the coupling between baseline elastic properties and time-lapse changes in determining difference AVO, 2015: Geophysics 80, 6, N37-N48.

W. Pan, K. A. Innanen, G. F. Margrave and D. Cao, Efficient pseudo Gauss-Newton full waveform inversion in the tau-p domain, 2015: Geophysics 80, 5, R225-R238.

S. Moradi and K. A. Innanen, Scattering of homogeneous and inhomogeneous seismic waves in low-loss viscoelastic media, 2015: Geophysical Journal International 202, 1722-1732. 

K. A. Innanen and F. Mahmoudian, Characterizing the degree of amplitude-variation-with-offset nonlinearity in seismic physical modelling data, 2015: 
Geophysical Prospecting 63, 133-140.

K. A. Innanen, Seismic AVO and the inverse Hessian in precritical reflection full waveform inversion, 2014: Geophysical Journal International 199, 717-734.

Subpages (1): PhD Thesis