Technical Library

Patents and Publications

US Patents

Garcia Leiceaga, G., (2017), Three-dimensional rock properties using cross-well seismic, US Patent Number 9,581,710

Garcia Leiceaga, G., (2016), Predicting three dimensional distribution of reservoir production capacity, US Patent Number 9,229,910

Refereed Publications

Garcia Leiceaga, G., Puryear, C., and Singh, S.K., (2020), Spectral extrapolation and acoustic inversion for the characterization of an ultra-thin reservoir, Geophysical Society of Houston Journal

Garcia Leiceaga, G., Marion, B., O’Sullivan, K.M., Bunge, G., Nielsen, J. T., and Fryer, A., (2015), Crosswell seismic applications for improved reservoir understanding, The Leading Edge, 34, no. 4, 422-428

Garcia Leiceaga, G., Norton, M., and Le Calvez, J., (2014), An integrated seismic reservoir characterization workflow to predict hydrocarbon production capacity in unconventional plays, SEG Interpretation Journal, SB15-SB25

Garcia Leiceaga, G., Norton, M., Le Calvez, J., and Henery, F., (2013), Predicting hydrocarbon production capacity in an unconventional reservoir from seismic-derived elastic properties, CSEG Recorder, 49-53

Garcia Leiceaga, G., J. Silva, Fredy Artola, E. Marquez and J. Vanzeler, (2010), Enhanced density estimation from prestack inversion of multicomponent seismic data. The Leading Edge, 1220-1226

Conference Proceedings

Leiceaga, G. G., Balch, R., and El-kaseeh, G., (2021), Subsurface Characterization Using Ensemble Machine Learning, Offshore Technology Conference, Houston, USA

Garcia Leiceaga, G., and Rimaila, K., (2021), Resolving Sedimentary Features in a Lower Miocene Clastic Reservoir, Jeanerette Field, Louisiana, IMAGE: Joint SEG and AAPG Annual Convention & Exhibition, Denver, USA

Garcia Leiceaga, G., and Puryear, C., (2019), Spectral extrapolation and acoustic inversion for the characterization of an ultra-thin reservoir, SEG Annual Meeting, San Antonio, USA

Artola, F.V., Villalobos, J. H., Martinez, C.S., Garcia Leiceaga, G., Velazquez, C.R., Gonzalez, B.E., Zaleta, F.O., and Garcia, L.A., (2015), Geophysical pore type characterization in carbonates: Cretaceous and Kimmeridgian , TS oil field, Gulf of Mexico, Brazilian Geophysical Society, Rio de Janeiro, Brazil

Primiero, P., Garcia Leiceaga, G., and Le Calvez, J., (2014), Integration of active and passive surface seismic for understanding the variations observed during a stimulation campaign, SEG Expanded Abstracts – Invited paper from 2013 URTeC, Denver, USA

Le Calvez, J. H., Primiero, P., Couch, J., and Garcia Leiceaga, G., (2014), Integration of 3D surface seismic and jointly inverted downhole-shallow well microseismic datasets on a multi-lateral stimulation campaign: a Marcellus formation example, AAPG Annual Convention and Exhibition, Houston, USA

Garcia Leiceaga, G., (2014), Optimized well placement from the integration of geoscientific measurements, AAPG Eagle Ford and Adjacent Plays & Extensions Workshop, San Antonio, USA

Primiero, P., Garcia Leiceaga, G., and Le Calvez, J., (2013), Integration of active and passive surface seismic: a Marcellus case study, URTeC, Denver, USA

Le Calvez, J., Garcia Leiceaga, G., Hawkes, T., (2012), Hydraulic Fracture Monitoring: Attempts at Integrating Microseismic, Cross-Well Tomography, Borehole Seismic and Surface Seismic, SEG D&P Forum, Banff, Canada

Garcia Leiceaga, G., Norton, M., Kalu, I., Connault, J., Nizkous, I., Johnson, J., and Henery, F., (2012), Use of seismic-derived elastic properties for predicting reservoir quality in an unconventional play, SEG Expanded Abstracts, Las Vegas, USA

Garcia Leiceaga, G., Assefa, S., Jimenez, A., Silva, J., Zhang, L., Ng, D., Sanz, C., (2011), A seismic reservoir characterization workflow for reducing risk utilizing AVO, simultaneous prestack inversion and rock physics, GCSSEPM Foundation Bob F. Perkins Research Conference, Houston, USA

Silva, J., Garcia Leiceaga, G., Farroco, V., de Abreu, E., and Damasco, A., (2011), Joint estimation of reservoir saturation and porosity from seismic inversion using stochastic rock physics simulation and Bayesian inversion, Brazilian Geophysical Society, Rio de Janeiro, Brazil

Garcia Leiceaga, G., (2011), Understanding the application of seismic inversion in new plays, World of Solutions, Calgary, Canada

Silva, J., Garcia Leiceaga, G., Vanzeler, J.F., Artola, F., and Marquez, E., (2010), Simultaneous inversion of multicomponent data in the Campos basin, offshore Brazil, Rio Oil & Gas Expo and Conference, Rio de Janeiro, Brazil

Garcia Leiceaga, G., Sanz, C., Sherratt, P., Assefa, S., Pallottini, F., Bendel, E., Arroyo, J., and Rosa., V., (2009), A reservoir characterization study in the Burgos Basin including simultaneous prestack inversion and lithology prediction, SEG Expanded Abstracts, Houston, USA

Garcia Leiceaga, G., Sanz C., Sherratt, P., Pallottini, F., Bendel, E., Arroyo, J.L., Hugo de la Rosa, V., (2009), Estudio de caracterizacion de yacimientos en la Cuenca de Burgos incluyendo inversion sismica simultanea pre-apilada y prediccion litologica, AMGE-AMGP Jornadas Tecnicas de las Geociencias, Reynosa, Mexico

Nyein, G. and Garcia Leiceaga, G., (2008), Better reservoir characterization with Q-Marine processing and inversion, SPE, Mumbai, India

Courses and Workshops Taught

AVO and Seismic Inversion with Petrel, (2023), Bogota, Columbia*

A Modern Approach to Seismic Interpretation with Petrel, (2023), Karachi, Pakistan*

AVO and Seismic Inversion with Petrel, (2023), Quito, Ecuador*

Attributes, AVO and Seismic Inversion, (2019), Villahermosa, Mexico*

AVO and Seismic Inversion with Petrel, (2015), Puerto La Cruz, Venezuela*

AVO and Seismic Inversion with Petrel, (2014), Santa Cruz, Bolivia*

Introduction to Exploration Geophysics, (2013), Calgary, Canada*

Introduction to Exploration Geophysics-Interpretation, (2012), Calgary, Canada*

Advanced Seismic Inversion Workshop, Rio de Janeiro, Brazil, 2010**

Business Calculus, University of Houston, Department of Mathematics, 2002

Finite Math, University of Houston, Department of Mathematics, 2002

College Algebra, University of Houston, Department of Mathematics, 2001, 2002

AP Statistics, (2024-2025), Houston, USA***

College Algebra, (2024-2025), Houston, USA***

Advanced Quantitative Reasoning, (2024-2025), Houston, USA***

* Taught under NExT Training and Development

** Taught under Schlumberger Reservoir Seismic Services, Rio de Janeiro

*** Taught under Cypress Fairbanks ISD

Schlumberger Internal

Garcia Leiceaga, G., O’Sullivan, K.M., Bunge, G., and Nielsen, J. T., Crosswell seismic applications for improved reservoir understanding, Borehole Seismic SIG Geoseminar, July 2015

Garcia Leiceaga, G., O’Sullivan, K.M., Bunge, G., Nielsen, J. T., and Fryer, A., Crosswell seismic applications for improved reservoir understanding, AVO and Rock Property Inversion SIG Geoseminar, May 2015

Xu, J., Viswanathan, A., and Garcia Leiceaga, G., Completion Optimization in the Eagle Ford with Microseismic Data and Fracture Simulation, NAL Reservoir Symposium, Houston, 2013

Garcia Leiceaga, G., Kalu, I., Johnson, J., Use of seismic-derived elastic properties for predicting reservoir production quality in an unconventional play, AVO and Rock Property Inversion Geoseminar, 2013

Castaneda, R., Leiceaga, G.G., Sanz, C., and Pallottini, F., A shallow hazard analysis in a wildcat exploration area using prestack Q-marine seismic data from the western Gulf of Mexico, Integrated Geoscience Conference, Abu Dhabi, 2012

Garcia Leiceaga, G., Kalu, I., Connault, J.B., Nizkous, I. Johnson, J., and Henery, F., Use of seismic-derived elastic properties for predicting reservoir quality in an unconventional play, NAM Reservoir Symposium, Calgary, 2012

Garcia Leiceaga, G., Nagy, Z., Pastor, L., Moreira, L., Minton, J., Estimation of 3D stresses around salt using prestack seismic inversion and numerical modeling, Convergent Seismic Solutions Workshop, Houston, 2010 Garcia Leiceaga, Gorka and Silva, Josimar, An integrated workflow for reservoir characterization studies utilizing AVO, seismic inversion and rock physics, MCA Reservoir Symposium, Villahermosa, 2010

Zsolt Nagy, Jorge Pastor, DCS Rio de Janeiro; Gorka Garcia Leiceaga, DCS RSS Villahermosa; Leandro Moreira, WesternGeco Rio de Janeiro; James Minton, DCS Bracknell, Seismic inversion and numerical model to estimate 3D stresses around salt: seismic-to-stress workflow applied in ultra-deepwater offshore Brazil, LAM Reservoir Symposium, Rio de Janeiro, 2010

Silva, Josimar. and Garcia, Gorka, Reservoir Characterization at the Lower Congo Basin Using AVO Inversion and Lithology Classification, BRZ Reservoir Symposium, Rio de Janeiro, 2010

Garcia, G., Sanz, C., Sherratt, P., Assefa, S., Pallottini, F., Bendel., A reservoir characterization study in the Burgos Basin including simultaneous prestack inversion and lithology prediction, SLB Internal Rock Physics Webinar, 2009

Garcia, G., Lopez, C., Sanz., C., de Lind, M., and Mavridou, E., Facies refinement utilizing seismic inversion for petroleum systems modeling in the Gulf of Mexico, LAM Reservoir Symposium, Rio de Janeiro, 2009

Garcia, G., Lopez, C., Sanz., C., de Lind, M., and Mavridou, E., Facies refinement utilizing seismic inversion for petroleum systems modeling in the Gulf of Mexico, MCA Reservoir Symposium, 2009

Garcia, G., Assefa, S., and Nyein, G., A reservoir characterization study using Q Marine and conventional seismic for simultaneous AVO inversion and lithology prediction, INM Reservoir Symposium, 2008

Mukherjee, A., Garcia, G., Assefa, S., Shepherd, C. and Brice, T., “A Reservoir characterization case study from KG Basin with examples of attenuation and its influence on pre-stack simultaneous inversion”, Workshop on Rock Physics, Reservoir Geomechanics, Time-lapse seismic and AVO, Houston, USA, 2007

Garcia, G., Odegaard inversion methodology – Part 1, WesternGeco Internal Symposium, Houston, 2006

Garcia, G., Odegaard inversion methodology – Part 2, WesternGeco Internal Symposium, Houston, 2006