All Stories

  1. Bayesian neural network and Bayesian physics-informed neural network via variational inference for seismic petrophysical inversion

    Article • Geophysics, July 2024, Society of Exploration Geophysicists

    Peng Li, Dario Grana

  2. GeosPIn: A MATLAB library for Geostatistical Petrophysical Inversion

    Article • Geophysics, May 2024, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo

  3. Probabilistic physics-informed neural network for seismic petrophysical inversion

    Article • Geophysics, January 2024, Society of Exploration Geophysicists

    Peng Li, Dario Grana

  4. Seismic inersion for time-lapse CO2 storage monitoring

    Article • Geophysics, December 2023, Society of Exploration Geophysicists

    Nisar Ahmed (PhD), Dario Grana

  5. Frequency-domain electromagnetic induction for the prediction of electrical conductivity and magnetic susceptibility using geostatistical inversion and randomized tensor decomposition

    Article • Geophysics, September 2023, Society of Exploration Geophysicists

    Leonardo Azevedo, Dario Grana, Miss Ellen Van De Vijver, João Narciso

  6. Bayesian linearized rock-physics amplitude-variation-with-offset inversion for petrophysical and pore-geometry parameters in carbonate reservoirs

    Article • Geophysics, July 2023, Society of Exploration Geophysicists

    Dario Grana

  7. Iterative geostatistical seismic inversion with rock-physics constraints for permeability prediction

    Article • Geophysics, March 2023, Society of Exploration Geophysicists

    Leonardo Azevedo, Dario Grana

  8. Markov chain Monte Carlo for seismic facies classification

    Article • Geophysics, January 2023, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo

  9. Petrophysical inversion based on f-s-r amplitude-variation-with-offset linearization and canonical correlation analysis

    Article • Geophysics, September 2022, Society of Exploration Geophysicists

    Dario Grana

  10. Probabilistic inversion of seismic data for reservoir petrophysical characterization: Review and examples

    Article • Geophysics, June 2022, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo, Mr Patrick A Connolly, Leonardo Azevedo

  11. Bayesian rock-physics inversion with Kumaraswamy prior models

    Article • Geophysics, April 2022, Society of Exploration Geophysicists

    Dario Grana

  12. Estimation of porosity, fluid bulk modulus, and stiff-pore volume fraction using a multitrace Bayesian amplitude-variation-with-offset petrophysics inversion in multiporosity reservoirs

    Article • Geophysics, November 2021, Society of Exploration Geophysicists

    Dario Grana

  13. Markov chain Monte Carlo for petrophysical inversion

    Article • Geophysics, November 2021, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo

  14. SeReMpy: Seismic reservoir modeling Python library

    Article • Geophysics, September 2021, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo

  15. Characterization of gas hydrate systems on the Hikurangi margin (New Zealand) through geostatistical seismic and petrophysical inversion

    Article • Geophysics, September 2021, Society of Exploration Geophysicists

    Dario Grana, Leonardo Azevedo

  16. Multivariate probabilistic rock-physics models using Kumaraswamy distributions

    Article • Geophysics, August 2021, Society of Exploration Geophysicists

    Dario Grana

  17. Direct depth-domain Bayesian amplitude-variation-with-offset inversion

    Article • Geophysics, August 2021, Society of Exploration Geophysicists

    Dario Grana, Geophysical Consultant Houzhu Zhang

  18. Hydrogeophysical comparison of hillslope critical zone architecture for different geologic substrates

    Article • Geophysics, June 2021, Society of Exploration Geophysicists

    Dario Grana

  19. Variational inference in Bayesian neural network for well-log prediction

    Article • Geophysics, April 2021, Society of Exploration Geophysicists

    Dario Grana

  20. Uncertainty quantification in fault detection using convolutional neural networks

    Article • Geophysics, March 2021, Society of Exploration Geophysicists

    Dario Grana

  21. Bayesian facies inversion on a partially dolomitized isolated carbonate platform: A case study from Central Luconia Province, Malaysia

    Article • Geophysics, February 2021, Society of Exploration Geophysicists

    Leandro Passos de Figueiredo, Eugene Rankey, Dario Grana

  22. An unsupervised deep-learning method for porosity estimation based on poststack seismic data

    Article • Geophysics, November 2020, Society of Exploration Geophysicists

    Dario Grana

  23. Stochastic perturbation optimization for discrete-continuous inverse problems

    Article • Geophysics, July 2020, Society of Exploration Geophysicists

    Leonardo Azevedo, Dario Grana, Leandro Passos de Figueiredo

  24. Uncertainty quantification in seismic facies inversion

    Article • Geophysics, June 2020, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo, Erick Talarico

  25. Bayesian petroelastic inversion with multiple prior models

    Article • Geophysics, June 2020, Society of Exploration Geophysicists

    Dario Grana

  26. A comparison of deep machine learning and Monte Carlo methods for facies classification from seismic data

    Article • Geophysics, January 2020, Society of Exploration Geophysicists

    Dario Grana, Leonardo Azevedo

  27. Time-lapse seismic history matching with an iterative ensemble smoother and deep convolutional autoencoder

    Article • Geophysics, January 2020, Society of Exploration Geophysicists

    Dario Grana

  28. Uncertainty quantification in Bayesian inverse problems with model and data dimension reduction

    Article • Geophysics, October 2019, Society of Exploration Geophysicists

    Dario Grana, Leonardo Azevedo, Leandro Passos de Figueiredo

  29. Multimodal Markov chain Monte Carlo method for nonlinear petrophysical seismic inversion

    Article • Geophysics, September 2019, Society of Exploration Geophysicists

    Leandro Passos de Figueiredo, Dario Grana

  30. Gaussian mixture Markov chain Monte Carlo method for linear seismic inversion

    Article • Geophysics, May 2019, Society of Exploration Geophysicists

    Leandro Passos de Figueiredo, Dario Grana

  31. Bayesian inversion for the estimation of spatially correlated properties

    Article • Geophysics, September 2018, Society of Exploration Geophysicists

    Dario Grana, Leandro Passos de Figueiredo

  32. Bayesian linearized petrophysical AVO inversion

    Article • Geophysics, May 2018, Society of Exploration Geophysicists

    Dario Grana

  33. Stochastic nonlinear inversion of seismic data for the estimation of petroelastic properties using the ensemble smoother and data reparameterization

    Article • Geophysics, May 2018, Society of Exploration Geophysicists

    Dario Grana

  34. Joint facies and reservoir properties inversion

    Article • Geophysics, May 2018, Society of Exploration Geophysicists

    Dario Grana

  35. Joint probabilistic petrophysics-seismic inversion based on Gaussian mixture and Markov chain prior models

    Article • Geophysics, January 2018, Society of Exploration Geophysicists

    Dario Grana

  36. Introduction to special section: Multidisciplinary studies for geologic and geophysical characterization of CO2 storage reservoirs

    Article • Interpretation, October 2017, Society of Exploration Geophysicists

    Dario Grana, Dr. Sumit Verma

  37. A Workflow for Static Reservoir Modeling Guided by Seismic Data in a Fluvial System

    Article • Mathematical Geosciences, July 2017, Springer Science + Business Media

    Dario Grana

  38. Geostatistical inversion of prestack seismic data for the joint estimation of facies and impedances using stochastic sampling from Gaussian mixture posterior distributions

    Article • Geophysics, July 2017, Society of Exploration Geophysicists

    Dario Grana

  39. Bayesian Gaussian Mixture Linear Inversion for Geophysical Inverse Problems

    Article • Mathematical Geosciences, February 2017, Springer Science + Business Media

    Dario Grana

  40. Bayesian linearized rock-physics inversion

    Article • Geophysics, November 2016, Society of Exploration Geophysicists

    Dario Grana

  41. Seismic attribute illumination of the Moxa Arch: A probable site for carbon sequestration

    Article • September 2016, Society of Exploration Geophysicists

    Dario Grana, Dr. Sumit Verma

  42. Pressure–velocity relations in reservoir rocks: Modified MacBeth's equation

    Article • Journal of Applied Geophysics, September 2016, Elsevier

    Dario Grana

  43. Introduction to special section: Seismic facies classification and modeling

    Article • Interpretation, August 2016, Society of Exploration Geophysicists

    Mr Patrick A Connolly, Dario Grana

  44. Lithofacies classification in the Marcellus Shale by applying a statistical clustering algorithm to petrophysical and elastic well logs

    Article • Interpretation, May 2016, Society of Exploration Geophysicists

    Dario Grana

  45. Introduction to special section: Unconventional exploration and production — Achievements and remaining challenges

    Article • Interpretation, May 2016, Society of Exploration Geophysicists

    Dario Grana

  46. Estimation of TOC and Brittleness Volumes and Correlation with Reservoir Production

    Article • January 2016, American Association of Petroleum Geologists (AAPG)

    Dario Grana, Dr. Sumit Verma

  47. Rock Physics Modeling in Conventional Reservoirs

    Article • January 2016, Springer Science + Business Media

    Dario Grana

  48. Bayesian rock physics inversion of acoustic and electrical properties for rock-fluid property estimation

    Article • August 2015, Society of Exploration Geophysicists

    Dario Grana

  49. Bayesian facies classification in a CO2sequestration study using statistical rock physics modeling of elastic and electrical properties

    Article • August 2015, Society of Exploration Geophysicists

    Dario Grana

  50. Probabilistic formulation of AVO modeling and AVO-attribute-based facies classification using well logs

    Article • Geophysics, July 2015, Society of Exploration Geophysicists

    Dario Grana

  51. Petro-Elastic Log-Facies Classification Using the Expectation–Maximization Algorithm and Hidden Markov Models

    Article • Mathematical Geosciences, June 2015, Springer Science + Business Media

    Dario Grana

  52. Petroelastic and geomechanical classification of lithologic facies in the Marcellus Shale

    Article • Interpretation, February 2015, Society of Exploration Geophysicists

    Dario Grana

  53. Bayesian inversion of time-lapse seismic data for the estimation of static reservoir properties and dynamic property changes

    Article • Geophysical Prospecting, December 2014, Wiley

    Dario Grana

  54. Petro-elastic facies classification in the Marcellus Shale by applying expectation maximization to measured well logs

    Article • August 2014, Society of Exploration Geophysicists

    Dario Grana

  55. Joint rock physics inversion of elastic and electric attributes for rock and fluid properties – A real data example

    Article • August 2014, Society of Exploration Geophysicists

    Dario Grana

  56. Seismic Reflections of Rock Properties

    Article • March 2014, Cambridge University Press

    Dario Grana

  57. Probabilistic approach to rock physics modeling

    Article • Geophysics, March 2014, Society of Exploration Geophysicists

    Dario Grana

  58. Joint estimation of rock properties and dynamic property changes from time-lapse seismic data

    Article • August 2013, Society of Exploration Geophysicists

    Dario Grana

  59. Sequential Bayesian Gaussian mixture linear inversion of seismic data for elastic and reservoir properties estimation

    Article • September 2012, Society of Exploration Geophysicists

    Dario Grana

  60. Stochastic inversion of facies from seismic data based on sequential simulations and probability perturbation method

    Article • Geophysics, July 2012, Society of Exploration Geophysicists

    Dario Grana

  61. Sequential Simulations of Mixed Discrete-Continuous Properties: Sequential Gaussian Mixture Simulation

    Article • January 2012, Springer Science + Business Media

    Dario Grana

  62. The link between seismic inversion, rock physics, and geostatistical simulations in seismic reservoir characterization studies

    Article • The Leading Edge, January 2011, Society of Exploration Geophysicists

    Dario Grana

  63. Integrated Crosswell Seismic Application Across a Giant Carbonate Field for High Resolution Reservoir Properties Estimation

    Article • January 2011, Society of Petroleum Engineers (SPE)

    Dario Grana

  64. Integrated Crosswell Seismic Application Across a Giant Carbonate Field for High Resolution Reservoir Properties Estimation

    Article • January 2011, Society of Petroleum Engineers (SPE)

    Dario Grana

  65. Probabilistic petrophysical-properties estimation integrating statistical rock physics with seismic inversion

    Article • Geophysics, May 2010, Society of Exploration Geophysicists

    Dario Grana

  66. A probabilistic approach to 3D joint estimation of reservoir properties based on Gaussian Mixture Models

    Article • January 2010, Society of Exploration Geophysicists

    Dario Grana

  67. Changing scale and domain of a petrophysical and elastic properties based log‐ facies classification

    Article • January 2010, Society of Exploration Geophysicists

    Dario Grana

  68. Improved Reservoir Characterization Integrating Seismic Inversion, Rock Physics Model, and Petroelastic Log Facies Classification: A Real Case Application

    Article • January 2010, Society of Petroleum Engineers (SPE)

    Dario Grana

  69. Petrophysical properties estimation in a crosswell study integrated with statistical rock physics

    Article • January 2009, Society of Exploration Geophysicists

    Dario Grana