(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

Huixing Zhang (2016 - )
Yu Geng (2015 - )
Huaizhen Chen (2015 - )

Graduate students (supervisor and co-supervisor)

Raul Cova, PhD (2012 - )
Wenyong Pan, PhD (2012 - )
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 - )
Matt Eaid, MSc (2016 - )
Andrew Iverson, MSc (2016 - )
Tim Cary (with R. Lauer), MSc (2016 - )
Nadine Igonin (with D. Eaton), PhD (2016 - )

Past students & researchers

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 Overview

Basic research

Anelastic seismology
Perturbation methods for waves in time-varying Earth volumes
Wave physics of seismic full waveform inversion
Merging theoretical, laboratory, and field seismic

Applied research
Seismic data acquisition, processing, and inversion
Seismic multiple prediction and removal
Amplitude-variation-with-offset and frequency analysis
Full waveform inversion on land and in the reservoir
Intrinsic and extrinsic seismic Q

Recent Publications

Y. Geng and K. A. Innanen, Frequency-domain full-waveform inversion with nonlinear descent directions, 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.

J. Sun and K. A. Innanen, Multidimensional inverse scattering series internal multiple prediction in the coupled plane-wave domain, 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.

H. Chen, Y. Ji and K. A. Innanen, Estimation of fluid/porosity term and dry fracture weaknesses using azimuthal elastic impedance, 2017: submitted.

S. Moradi and K. A. Innanen, Born kernels and inversion sensitivities in viscoelastic transversely isotropic 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.

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

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.

K. A. Innanen, M. Naghizadeh and S. T. Kaplan, Perturbation methods for two special cases of the time-lapse seismic inverse problem, 2014: Geophysical Prospecting 62, 453-474. 

L. R. Lines, J. Wong, K. A. Innanen, F. Vasheghani, C. Sondergeld, S. Treitel and T. J. Ulrych, Research note: experimental measurements of Q-contrast reflections, 2014: Geophysical Prospecting, 62 1, 190-195. 

M. J. Hernandez and K. A. Innanen, Identifying internal multiples using 1D prediction: physical modelling and land data examples, 2014: Canadian Journal of Exploration Geophysics, 39, 1, pp. 37-47.

K. A. Innanen, Coupling in amplitude variation with offset and the Wiggins approximation, 2013: Geophysics 78, 4, N21-N33.

M. Naghizadeh and K. A. Innanen, Two-dimensional fast generalized Fourier interpolation of seismic records, 2013: Geophysical Prospecting, 61, s1, 62-76.

K. A. Innanen, Inversion of the seismic AVF/AVA signatures of highly attenuative targets, 2011: Geophysics 76, 1, R1-R14.

Subpages (1): PhD Thesis