Petr Bulant
Department of Geophysics, Faculty of Mathematics and Physics,
Charles University
Mail address: KG MFF UK, V Holešovičkách 747/2, 180 00 Praha 8, Czech Republic
Mobile phone: (+420) 777697258
E-mail: bulant_at_seis.karlov.mff.cuni.cz
Born:
December 7, 1970, Praha, Czech Republic.
Degrees:
- master degree (Mgr.), Charles University, Prague, 1994, in Geophysics,
graduated with honors,
diploma thesis on Two-point Ray Tracing in 3-D, supervisor Ludek Klimes.
- PhD degree (Dr.), Charles University, Prague, 1997, in Geophysics,
PhD thesis on Calculation of Multivalued Ray Theory Travel Times
in 3-D Structures, supervisor Ludek Klimes.
Employment:
- since 1997: Research geophysicist at the
Department of Geophysics, Charles University, Prague.
Areas of research interests:
Seismic wave propagation, computational seismology and theoretical
geophysics, numerical modelling of seismic wavefields and their
properties, especially construction of velocity models suitable
for ray tracing, two-point ray tracing and travel time calculation,
wavefront tracing, weak anisotropy. Development of seismic software
for validation and testing purposes.
Topics for bachelor theses:
Long-term visits:
- 1995 (1 month): Visiting researcher at the Institute Francais du
Petrole, Pau, France.
- 1996 (2 months): Summer student in Elf Geoscience Research Center,
London, UK.
- 1997, 1998 (6 weeks): Visiting researcher at the Institut National de Recherche
en Informatique et en Automatique, Rocquencourt, France.
- 2005-8 (16 months): Visiting researcher at the Schlumberger Cambridge Research,
Cambridge, UK.
- 2010-13 (16 weeks): Visiting researcher at PROGSEIS, Trnava, Slovak Republic.
- 2011-13 (10 weeks): Visiting researcher at NORSAR, Kjeller, Norway.
International conferences:
Oral (O) or poster (P) presentations at the SEG Annual Meeting in
Houston (1999) (O),
San Antonio (2001) (O)
(O),
Salt Lake City (2002) (O),
and Denver (2010) (O),
at the EAGE Conference in
Amsterdam (1996) (O),
Geneva (1997) (P),
Helsinki (1999) (P),
Amsterdam (2001) (O),
Florence (2002) (O),
Stavanger (2003) (P)
(P),
and Vienna (2006) (P),
at the Int. Congress of SBGf
Rio de Janeiro (2007) (O)
(O)
(O),
Salvador (2009) (O),
Rio de Janeiro (2011) (O),
and Rio de Janeiro (2017) (O)
(O),
at the Workshop meeting on seismic waves in laterally
inhomogeneous media
in Trest (1995) (O),
Zahradky (2000) (O),
and Hruba Skala (2005) (O),
at the Workshop meeting active and passive seismics in laterally
inhomogeneous media
in Loucen (2015) (O),
and Zeliv (2022) (O),
at the International workshop on seismic anisotropy
in Tutzing (2002) (O),
Austin (2016) (O),
and Jerusalem (2018) (O),
at the EAGE Vibroseis Workshop 2008
in Prague (2008) (P),
at the IASPEI General Assembly 2009
in Cape Town (2009) (O),
at the General Conference of the European Physical Society in
London (1999) (P),
at the International Conference "East Meets West" in
Cracow (1998) (O), and
at the EUROMECH Colloquium 540 "Advanced Modelling of Wave Propagation in Solids"
in Prague (2012) (P).
Awards:
- 1999: one of the winners of the Young Physicists Poster Prize Competition
which took place at the General Conference of the European
Physical Society in London
- 2000: The 1999 Van Weelden Award from the EAGE
"for the contribution to the calculation of 3D travel times".
Research projects and international activities:
- Principal investigator of the Grant Agency of the Czech Republic
Post-doc grant No. 205/01/D097 (2001-2004)
Construction of velocity models suitable for ray tracing
and for the application of high frequency asymptotic methods.
- Principal investigator of the Grant Agency of the Charles University
grant No. 229/2002/B-GEO/MFF (2002-2003)
Seismic waves in anisotropic media.
- Travel grants from the EAGE-PACE foundation in years 1997, 1999, 2001,
2002 and 2003.
- Travel grant from the European Physical Society in 1999.
- Since 1995 membership in research project of the international Consortium
Seismic Waves in Complex 3-D Structures,
leader V. Cerveny.
- Co-organizer of international workshop "Seismic Waves in Laterally Inhomogeneous Media VII" in Tepla, 2010,
of international workshop "Active and passive seismics in laterally inhomogeneous media" in Loucen, 2015,
and of joint international workshop "Active and passive seismics in laterally inhomogeneous media II
and 19th International workshop on seismic anisotropy" in Zeliv, 2022.
- Scientist in charge of Department of Geophysics, Faculty of Mathematics and Physics, Charles University,
in the EC TOK-Industry-Academia Partnership Scheme FP6 project No. MTKI-CT-2004-517242
IMAGES (Induced Microseismics Applications from Global Earthquake Studies),
(2005-2009), coordinator L. Eisner.
- Scientist in charge of Department of Geophysics, Faculty of Mathematics and Physics, Charles University,
in the EC Industry-Academia Partnership and Pathways (IAPP) FP7 project No. FP7-PEOPLE-IAPP-2009-230669
AIM (Advanced Industrial Microseismic Monitoring),
(2009-2013), coordinator V. Vavrycuk.
- Membership in research project of the European Comission
No. JOU2-CT92-0099 (1994-1995)
Structural imaging of seismic wave fields by dynamic ray tracing,
leader V. Cerveny.
- Membership in research projects of the Ministry of Education
of the Czech Republic
No. OK-9217 (1994)
Integrated structural imaging of seismic data,
leader V. Cerveny,
and No. Barrande 97078 (1997-1998)
Optimized decomposition of the phase space and calculation
of travel times and amplitudes of high frequency waves,
leader L. Klimes.
- Membership in research project of the Ministry of Industry and Trade
of the Czech Republic
No. MPO 624063/21/61200/2111 (2021-2023)
Development of microseismic monitoring technology and reduction of seismic hazard during carbon dioxide storage,
leader L. Eisner,
- Membership in research projects of the Grant Agency of the Czech Republic
No. 205/95/1465 (1995-1997)
Accuracy and efectivity of direct and inverse seismic modelling,
leader L. Klimes,
No. 205/01/0927 (2001-2003)
New trends in ray methods,
leader L. Klimes,
No. 205/04/1104 (2004-2006)
New trends in ray methods - part 2,
leader L. Klimes,
No. 205/07/0032 (2007-2009)
New trends in ray methods - part 3,
leader L. Klimes,
No. P210/10/0736 (2010-2012)
New trends in ray methods - part 4,
leader L. Klimes,
No. 20-06887S (2020-2022)
Seismic waves in heterogeneous anisotropic viscoelastic media,
leader L. Klimes,
and No. 21-15272J (2021-2023)
Asymptotic full waveform inversion of seismic data in complex media,
leader L. Klimes.
- Membership in research project of the Grant Agency
of the Academy of Sciences of the Czech Republic
No. A346110 (1993-1995)
Seismic tomography and refraction data processing,
leader V. Bucha.
- Membership in research projects of the Grant Agency of the Charles
University
No. GAUK-8/94 (1994-1995)
Calculation of the first arrivals of seismic waves in complex
anisotropic media,
leader L. Klimes,
and No. GAUK-237/01 (2001-2003)
Ray chaos, Lyapunov exponents and models suitable for ray tracing,
leader L. Klimes.
Selected publications:
- P. Bulant:
Two-point ray tracing in 3-D.
Pure and Appl. Geophys., 148 (1996), 421-447.
- P. Bulant:
Two-point ray-tracing and controlled initial-value ray-tracing
in 3-D heterogeneous block structures.
Journal of Seismic Exploration, 8 (1999), 57-75.
- P. Bulant & L. Klimes:
Interpolation of ray-theory travel times within ray cells.
Geophysical Journal International, 139 (1999), 273-282.
- P. Bulant:
Sobolev scalar products
in the construction of velocity models:
Application to model Hess and to SEG/EAGE Salt Model.
Pure and appl. Geophys., 159 (2002), 1487-1506.
- P. Bulant (2004):
Constructing the SEG/EAGE 3-D Salt Model
for ray tracing using Sobolev scalar products.
Stud. geophys. geod., 48, 689-707.
- P. Bulant & L. Klimes:
Numerical algorithm of the coupling ray theory
in weakly anisotropic media.
Pure and appl. Geophys., 159 (2002), 1419-1435.
- P. Bulant & L. Klimes (2004):
Comparison of quasi-isotropic approximations
of the coupling ray theory with the exact solution
in the 1-D anisotropic "oblique twisted crystal" model.
Stud. geophys. geod., 48, 97-116.
- P. Bulant, L. Klimes, I. Psencik & V. Vavrycuk (2004):
Comparison of ray methods with the exact solution in the 1-D anisotropic "simplified twisted crystal" model.
Stud. geophys. geod., 48, 675-688.
- L. Klimes & P. Bulant (2004):
Errors due to the common ray approximations of the coupling ray theory.
Stud. geophys. geod., 48, 117-142.
- L. Klimes & P. Bulant (2006):
Errors due to the anisotropic-common-ray
approximation of the coupling ray theory.
Stud. geophys. geod., 50, 463-477.
- P. Bulant, L. Eisner, I. Psencik & J. Le Calvez (2007):
Importance of borehole deviation surveys for monitoring
of hydraulic fracturing treatments.
Geophysical Prospecting, 55, 891-899.
- P. Bulant & L. Klimes (2008):
Comparison of VSP and sonic-log data in non-vertical wells in a heterogeneous structure.
Geophysics, 73, U19-U25.
- P. Bulant & L. Klimes (2008):
Numerical comparison of the isotropic-common-ray
and anisotropic-common-ray approximations of the coupling ray theory.
Geophys. J. int., 175, 357-374.
- Z. Jechumtalova & P. Bulant (2014):
Effects of 1-D versus 3-D velocity models on moment tensor inversion in the Dobrá Voda area
in the Little Carpathians region, Slovakia
Journal of Seismology, 18, 511-531, DOI 10.1007/s10950-014-9423-6.
- Klimes, L. & Bulant, P. (2016):
Prevailing-frequency approximation
of the coupling ray theory
for electromagnetic waves or elastic S waves.
Stud. geophys. geod., 60, 419-450.
- Bulant, P. & Klimes, L. (2017):
Prevailing-frequency approximation
of the coupling ray theory
along the SH and SV reference rays
in a heterogeneous generally anisotropic medium
which is approximately uniaxial.
Stud. geophys. geod., 61, 513-540.
- Klimes, L. & Bulant, P. (2017):
Ray tracing and geodesic deviation
of the SH and SV reference rays
in a heterogeneous generally anisotropic medium
which is approximately uniaxial.
Stud. geophys. geod., 61, 497-512.
- Klimes, L. & Bulant, P. (2017):
Interpolation of the coupling-ray-theory
Green function within ray cells.
Stud. geophys. geod., 61, 541-559.
- Bulant, P. & Klimes, L. (2018):
Comparison of the anisotropic-ray-theory rays
and anisotropic common S-wave rays
with the SH and SV reference rays
in a velocity model with a split intersection singularity.
Stud. geophys. geod., 62, 57-79.
- Klimes, L. & Bulant, P. (2019):
3-D velocity models
- transformation from general to natural splines.
Stud. geophys. geod., 63, 137-146.
- Bulant, P. (2021):
Two factors affecting the speed of interpolation within ray cells.
J. seism. Explor., 30, 447-453.
SW3D
- main page of consortium Seismic Waves in Complex 3-D Structures .
Last update: 22. 7. 2023