All Stories

  1. Poldw: a Python code to denoise 3C seismic data with a new threshold-free polarization technique

    Article • Geophysics, July 2024, Society of Exploration Geophysicists

    Prof Danilo Velis, Julián Luis Gómez

  2. Borehole-driven sparse-spike deconvolution and seismic bandwidth enhancement

    Article • Geophysics, December 2023, Society of Exploration Geophysicists

    Gabriel Ricardo Gelpi, Prof Danilo Velis

  3. Seismic data summarization with content-aware resizing

    Article • Geophysics, June 2022, Society of Exploration Geophysicists

    Prof Danilo Velis

  4. Data-driven edge detectors for seismic data interpretation

    Article • Geophysics, October 2021, Society of Exploration Geophysicists

    Prof Danilo Velis

  5. Microseismic denoising assessment by polarization histograms

    Article • Geophysics, January 2021, Society of Exploration Geophysicists

    Prof Danilo Velis

  6. Simulated annealing velocity analysis: automating the picking process

    Article • Geophysics, December 2020, Society of Exploration Geophysicists

    Prof Danilo Velis

  7. Footprint removal from seismic data with residual dictionary learning

    Article • Geophysics, May 2020, Society of Exploration Geophysicists

    Prof Danilo Velis

  8. Automatic well tying and wavelet phase estimation with no waveform stretching or squeezing

    Article • Geophysics, May 2020, Society of Exploration Geophysicists

    Gabriel Ricardo Gelpi, Prof Danilo Velis

  9. Noise suppression in 2D and 3D seismic data with data-driven sifting algorithms

    Article • Geophysics, November 2019, Society of Exploration Geophysicists

    Prof Danilo Velis

  10. Spectral structure-oriented filtering of seismic data with self-adaptive paths

    Article • Geophysics, September 2019, Society of Exploration Geophysicists

    Prof Danilo Velis

  11. Structured Noise Removal with Dictionary Learning in Seismic Data: The Effect of Atom Filtering

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Danilo Velis

  12. Simultaneous automatic well-to-seismic tie and wavelet phase estimation

    Article • August 2019, Society of Exploration Geophysicists

    Prof Danilo Velis

  13. A simple energy-based strategy for sensor orientation in borehole microseismic monitoring

    Article • Journal of Geophysics and Engineering, January 2019, Oxford University Press (OUP)

    Prof Danilo Velis

  14. Edge-preserving frequency-offset denoising of seismic data

    Article • Geophysics, September 2018, Society of Exploration Geophysicists

    Prof Danilo Velis

  15. Calibrating anisotropic-velocity models using VFSA: Application to Vaca Muerta Formation

    Article • August 2018, Society of Exploration Geophysicists

    Prof Danilo Velis

  16. Microseismic event location using global optimization algorithms: An integrated and automated workflow

    Article • Journal of Applied Geophysics, February 2018, Elsevier

    Prof Danilo Velis

  17. Differential evolution for microseismic event location

    Article • September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Danilo Velis

  18. Microseismic moment magnitude estimation: An optimization problem in the frequency domain

    Article • September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Danilo Velis

  19. Seismic wavelet phase estimation by 11 norm minimization

    Article • September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Danilo Velis

  20. Structure-oriented edge-preserving smoothing in the frequency domain: Application to enhance 3D seismic data volumes

    Article • September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Danilo Velis

  21. Three‐term inversion of prestack seismic data using a weighted l2, 1 mixed norm

    Article • Geophysical Prospecting, February 2017, Wiley

    Prof Danilo Velis

  22. A simple method inspired by empirical mode decomposition for denoising seismic data

    Article • Geophysics, November 2016, Society of Exploration Geophysicists

    Prof Danilo Velis

  23. An edge-preserving frequency-offset algorithm for seismic data denoising

    Article • September 2016, Society of Exploration Geophysicists

    Prof Danilo Velis

  24. Fast and automatic microseismic phase-arrival detection and denoising by pattern recognition and reduced-rank filtering

    Article • Geophysics, November 2015, Society of Exploration Geophysicists

    Prof Danilo Velis

  25. A fast empirical mode decomposition for noise attenuation of seismic data

    Article • August 2015, Society of Exploration Geophysicists

    Prof Danilo Velis

  26. Radon transform-based microseismic event detection and signal-to-noise ratio enhancement

    Article • Journal of Applied Geophysics, February 2015, Elsevier

    Prof Danilo Velis

  27. Very fast simulated annealing and particle swarm optimization for microseismic event location

    Article • August 2014, Society of Exploration Geophysicists

    Prof Danilo Velis

  28. Blocky inversion of prestack seismic data using mixed-norms

    Article • August 2014, Society of Exploration Geophysicists

    Prof Danilo Velis

  29. Wave attenuation in partially saturated porous rocks — New observations and interpretations across scales

    Article • The Leading Edge, June 2014, Society of Exploration Geophysicists

    Tobias Mueller, Prof Danilo Velis

  30. A robust method for microseismic event detection based on automatic phase pickers

    Article • Journal of Applied Geophysics, December 2013, Elsevier

    Prof Danilo Velis

  31. High-resolution prestack seismic inversion using a hybrid FISTA least-squares strategy

    Article • Geophysics, September 2013, Society of Exploration Geophysicists

    Prof Danilo Velis

  32. Microseismic data denoising via an apex-shifted hyperbolic Radon transform

    Article • August 2013, Society of Exploration Geophysicists

    Prof Danilo Velis

  33. Estimating sparse-spike attributes from AVA data using a fast iterative shrinkage-thresholding algorithm and least squares

    Article • August 2013, Society of Exploration Geophysicists

    Prof Danilo Velis

  34. An automatic method for microseismic events detection based on earthquake phase pickers

    Article • September 2012, Society of Exploration Geophysicists

    Prof Danilo Velis

  35. Permeability effects on the seismic response of gas reservoirs

    Article • Geophysical Journal International, February 2012, Oxford University Press (OUP)

    Prof Danilo Velis

  36. Seismic characterization of thin beds containing patchy carbon dioxide-brine distributions: A study based on numerical simulations

    Article • Geophysics, May 2011, Society of Exploration Geophysicists

    Prof Danilo Velis

  37. Numerical analysis of wave-induced fluid flow effects on seismic data: Application to monitoring of CO2storage at the Sleipner field

    Article • Journal of Geophysical Research Atmospheres, March 2011, American Geophysical Union (AGU)

    Prof Danilo Velis

  38. Sparse‐spike AVO/AVA attributes from prestack data

    Article • January 2011, Society of Exploration Geophysicists

    Prof Danilo Velis

  39. Quantitative characterization of CO2‐bearing thin layers at the Sleipner field using spectral inversion

    Article • January 2011, Society of Exploration Geophysicists

    Prof Danilo Velis

  40. Automatic first-breaks picking: New strategies and algorithms

    Article • Geophysics, July 2010, Society of Exploration Geophysicists

    Prof Danilo Velis

  41. Thin-bed prestack spectral inversion

    Article • Geophysics, July 2009, Society of Exploration Geophysicists

    Prof Danilo Velis

  42. Stochastic sparse-spike deconvolution

    Article • Geophysics, January 2008, Society of Exploration Geophysicists

    Prof Danilo Velis

  43. Statistical Segmentation of Geophysical Log Data

    Article • Journal of the International Association for Mathematical Geology, August 2007, Springer Science + Business Media

    Prof Danilo Velis

  44. Comment on ‘Non‐minimum‐phase wavelet estimation using second‐and third‐order moments’ by Wenkai Lu

    Article • Geophysical Prospecting, June 2006, Wiley

    Prof Danilo Velis

  45. Parametric sparse‐spike deconvolution and the recovery of the acoustic impedance

    Article • January 2006, Society of Exploration Geophysicists

    Prof Danilo Velis

  46. Estimating the distribution of primary reflection coefficients

    Article • Geophysics, July 2003, Society of Exploration Geophysicists

    Prof Danilo Velis

  47. Traveltime inversion for 2‐D anomaly structures

    Article • Geophysics, September 2001, Society of Exploration Geophysicists

    Prof Danilo Velis

  48. Simulated annealing ray tracing in complex three-dimensional media

    Article • Geophysical Journal International, May 2001, Oxford University Press (OUP)

    Prof Danilo Velis

  49. L-moments and C-moments

    Article • Stochastic Environmental Research and Risk Assessment, March 2000, Springer Science + Business Media

    Prof Danilo Velis

  50. Simulated annealing two‐point ray tracing

    Article • Geophysical Research Letters, January 1996, American Geophysical Union (AGU)

    Prof Danilo Velis