## Software available from the UT Dallas Geophysical Consortium

#### 1D- Codes

1-D Reflectivity modeling of seismic response of layered heterogeneous media defined by the orthogonal polynomial expansion method | 1995 |

#### 1.5D-Codes

Tau-p modeling for 1.5-D layered viscoelastic anisotropic (TI) media using reflectivity | 2004 |

Reflection coefficients for viscoelastic media | 2004 |

Tau-p inversion for 1.5-D layered viscoelastic isotropic media using reflectivity | 2004 |

Tau-p inversion for 1.5-D layered viscoelastic anisotropic (TI) media using reflectivity | 2005 |

#### 2D-Codes

2-D vectorized ray tracing | 1988 |

2-D acoustic VSP modeling (finite difference) | 1988 |

2-D acoustic VSP pre-stack (common-source) migration (finite difference) | 1988 |

2-D elastic VSP modeling (finite difference) | |

2-D elastic VSP pre-stack (common-source) migration (finite difference) | 1989 |

2-D acoustic surface survey common-source modeling (finite difference) (includes reverse VSP) | 1987 |

2-D acoustic surface-survey common-source migration (finite difference) (includes reverse VSP) | 1989 |

2-D elastic surface survey common-source modeling (finite difference) | 1987 |

2-D elastic surface survey common-source migration (finite difference) | 1988 |

2-D acoustic reverse-time migration for zero-offset data (may also be used for 2-D source imaging) | 1987 |

2-D migration of electromagnetic data | |

2-D tomography between boreholes | 1987 |

2-D tomography for surface survey data | 1989 |

2-D scalar common-source modeling by the pseudo-spectral method | 1993 |

2-D constant-density elastic common-source modeling by the pseudo-spectral method | 1993 |

2-D elastic finite-difference modeling of Biot media | 1990 |

2-D acoustic full-wave inversion for common source gathers | 1991 |

2-D elastic full-wave inversion for common source gathers | 1992 |

2-D viscoelastic pseudo-spectral modeling | 1992 |

2-D pre-stack processing system | 1992 |

2-D pseudospectral modeling for visco-elastic and scattering media | 1993 |

2-D pseudospectral modeling for elastic (variable density) scattering media | 1993 |

2-D F-K filtering -i860 | 1992 |

2-D p-tau filtering-i860 | 1992 |

2-D pseudospectral modeling for acoustic (variable density) scattering media | 1993 |

2-D visco-elastic pseudo-spectral modeling with scattering | 1994 |

2-D visco-acoustic pseudo-spectral modeling - i860 | 1993 |

2-D 8th order finite-difference viscoelastic modeling | 1995 |

2-D Wave-equation based prestack seismic processing system | 1995 |

2-D pseudo-spectral modeling of acoustic common-source gathers | 1995 |

2-D pseudo-spectral modeling of variable-density elastic common-source gathers | 1995 |

2-D spatial-wavelet-domain wave extrapolation with application to poststack reverse-time migration | 1996 |

2-D poststack migration of turning waves by horizontal extrapolation | 1997 |

2-D modeling by solution of the scalar wave equation in the spatial wavelet transform domain | 1998 |

2-D multi-frequency full wavefield viscoacoustic inversion | 1999 |

2-D parsimonious poststack Kirchhoff migration | 1999 |

2-D parsimonious prestack Kirchhoff migration | 2001 |

2-D amplitude-compensating finite-difference migration | 2000 |

2-D Multi-resolution Kirchhoff migration of wavelet transformed data | 2002 |

Building 2-D stratigraphic/structure models from well-log and seismic data | 2003 |

2-D acoustic seismic simulations for large models with MPI | 2003 |

Super-fast 2-D migration velocity analysis and layer shape estimation using CRP data | 2004 |

Super-fast 2-D reflection tomography without reflectors using CRP data | 2005 |

2-D reverse-time migration with 8-th order extrapolation (to 6th to 4th to 2nd at the grid edges) | 2006 |

2-D Time/space domain amplitude compensating prestack wave equation migration (acoustic) | 2007 |

2-D Time/space domain amplitude compensating prestack wave equation migration (elastic) | 2007 |

Prediction of multiples using split spread common-receiver gathers in 2-D | 2009 |

Reconstruction of source wavefields in 2-D RTM | 2009 |

Antialias filtering in the slowness/frequency domain | 2009 |

2-D frequency-domain reverse-time migration | 2010 |

Direct vector method to obtain angle-domain common-image gathers from isotropic acoustic and elastic reverse-time migration | 2010 |

Angle-domain common-image gathers from prestack elastic VTI reverse-time migration | 2011 |

Prediction and Subtraction of 2-D Converted-Wave Multiples | 2011 |

Elastic inversion using phase variation with angle | 2011 |

2-D parsimonious anisotropic migration | 2012 |

AVA inversion using the Zoeppritz equation for elastic PP reflections | 2012 |

AVA and PVA inversion in the tau-p domain | 2013 |

Frequency-domain elastic full-waveform inversion (EFWI), using a time-domain modeling and a multi-strength gradient approach | 2013 |

#### 2.5D-Codes

2.5-D visco-acoustic full-wavefield inversion | 1995 |

2.5-D solution of Maxwell's equations for EM responses | 1997 |

2.5-D tomography for velocity, layer shape and attenuation | 1999 |

#### 3D-Codes

3-D kinematic migration for constant velocity media | |

3-D kinematic migration for variable velocity media | |

3-D acoustic reverse-time migration for zero-offset data (finite difference) (may also be used for 3-D source imaging) | 1993 |

3-D acoustic common-source modeling (finite difference) | 1989 |

3-D elastic common-source modeling (finite difference) | 1990 |

3-D elastic reverse-time imaging of sources (finite difference) | |

3-D pre-stack acoustic reverse-time migration (finite fifference) | 1991 |

3-D two-point ray tracing | 1990 |

3-D two-point ray tracing -i860 | 1992 |

3-D travel-time tomography for strongly variable media | 1990 |

3-D travel-time and amplitude tomography (for velocity and Q in strongly variable media) | 1992 |

3-D pre-stack elastic reverse-time migration | 1993 |

3-D acoustic pseudo-spectral common-source modeling | 1991 |

3-D elastic pseudo-spectral common-source modeling | 1991 |

3-D scalar finite-difference modeling for anisotropic media | 1991 |

3-D finite-difference prestack migration for scalar anisotropic media | 1994 |

3-D pre-stack Kirchhoff migration in variable velocity media (CRAY version) | 1993 |

Software upgrades for 3-D tomography and for 3-D Kirchhoff migration for transversely isotropic media | 2001 |

3-D staggered-grid finite-difference elastic modeling for media with high contrasts in Poisson's ratio (e.g. boreholes) | 1992 |

3-D elastic staggered grid finite-difference modeling from elastic constants (so does anisotropic, visco- elastic media with strong contrasts in Poisson's ratio) | 1994 |

3-D scalar modeling in multi-processor CRAYs (in-core and out-of-core versions) | 1996 |

3-D ray-tracing in 3-D anisotropic media (using Chebyshev polynomials) | 1996 |

3-D Two-point Chebyshev tracing of reflected rays in 3-D heterogeneous transversely-isotropic media | 1996 |

3-D 2nd-order finite-difference viscoelastic modeling | 1997 |

3-D one-pass 45o post-stack migration by space-time finite-difference extrapolation | 1998 |

3-D one-way frequency-space migration of stacked data | 1998 |

3-D 8th order viscoelastic & anisotropic modeling | 1999 |

3-D 8th-order visco-elastic finite difference modeling on a staggered grid | 2000 |

3-D eighth-order scalar finite-difference modeling | 2001 |

3-D eighth-order staggered grid finite difference modeling in viscoelastic anisotropic media with 21 elastic constants | 2001 |

3-D eighth-order staggered grid finite difference modeling in elastic anisotropic media with 21 elastic constants | 2000 |

3-D amplitude-compensating F-X-Y finite-difference migration | 2002 |

3-D eighth-order staggered grid finite difference modeling in viscoelastic general anisotropic media | 2002 |

3-D post-stack parsimonious Kirchhoff migration | 2003 |

3-D pre-stack parsimonious Kirchhoff migration | 2003 |

3-D viscoelastic seismic simulations with MPI | 2003 |

Upgrade of 3-D eighth-order staggered grid finite- difference seismic modeling in viscoelastic media | 2004 |

Robust determination of 3-C borehole geophone orientation | 2005 |

Update to 3-D 8th order FD anisotropic modeling | 2005 |

Super-fast 3-D reflection tomography without reflectors using CRP data, with a stacked (or zero-offset) reference volume | 2005 |

Polarization analysis for 3-C data | 2006 |

Prestack parsimonious migration for 3-D, 3-C data | 2006 |

Super-fast 3-D reflection tomography without reflectors using CRP data, with a non-zero offset reference volume | 2006 |

3-D acoustic exploding reflector modeling with 8th order finite differences | 2006 |

3-D Full-wavefield inversion of acoustic anisotropic P-wave data | 2007 |

Time/Space domain amplitude compensating prestack 3-D wave equation migration(acoustic) | 2008 |

Anisotropic prestack 3-D elastic full wave inversion | 2008 |

3-D anisotropic prestack(non-elliptical) FD Modeling | 2008 |

3-D, 3-C vector wavefield decomposition in VTI media | 2009 |

3D free-surface multiple prediction and subtraction | 2010 |

Forward modeling of slowness and polarization by the Christoffel equation for 3D, 3-C VSP data | 2011 |

3D parallel frequency-domain finite-difference scalar-wave modeling | 2011 |

Inversion of slowness and polarization data for 21 elastic moduli based on the Christoffel equation for 3D, 3-C VSP data (INVCHR) | 2012 |

Inversion of the Polarization Vector and the Vertical Component of the Slowness For 21 Elastic moduli based on the Christoffel equation for 3D, 3-C VSP data (INPVSCHR) | 2012 |

Measuring Polarization and Slowness vectors from 3D, 9-C VSP data (MPSV) | 2013 |

#### Miscellaneous

Estimation of intrinsic and scattering Q parameters | 1994 |

Ordinary Co-Kriging (Interactive and batch) | 1996 |

Resolution and covariance estimation for large linear inverse problems using a modified LSQR method | 1997 |

Compensation of transmission and attenuation losses | 1998 |

Geometrical spreading in VTI media | 1998 |

Seismic properties from petrophysical properties | 2000 |

Reflectivity p-tau synthetic seismograms for viscoelastic media | 2000 |

Estimation of impact source orientation by full-wavefield inversion of multi-component land seismic data | 2001 |

Filtering in the Wavelet transform domain | 2002 |

PetroSeismic inversion | 2002 |

Computation of the interferometric correlation integral from time-lapse acoustic data | 2003 |

Efficient computation of pairs of Fast Fourier Transforms | 2003 |

Anisotropic elastic constants for models with high fracture density (for input to 3D seismic modeling) | 2007 |

#### Software delivered by UTD Geophysical Consortium in 2013

AVA and PVA inversion in the tau-p domain | Zhu |

Frequency-domain elastic full-waveform inversion using a time-domain modeling and a multi-strength gradient approach | Xu |

Measuring Polarization and Slowness vectors from 3D, 9-C VSP data (MPSV) | Rusmanugroho |

#### List of Software expected to be deliverd by the UTD Geophysical Consortium in 2013 and beyond

Inversion for fracture properties from elastic tensor elements | Falcon |

Angle-domain migration velocity analysis | Zhang |

Ray tracing in Sobolev space | Browning |

Reconstruction of source wavefields in 3-D RTM | Nguyen |

Multipathing in 3-D incident-angle/depth/image-time space | Zhang |

Anisotropic 2-D parsimonious migration velocity analaysis | Oropeza |

A new fast, high resolution image condition for RTM | Nguyen |

Velocity analysis from focal point gathers | Jin |

Full-wave reflectivity-based inversion for viscoelastic anisotropic media, by layer-stripping | Pacheco |

2D elastic full wave inversion with multi-steplength gradients | Xu |

P-Tau elastic spherical wave inversion | Zhu |

3D full-wave acoustic based inversion for anisotropic media, by layer-stripping | Falcon |

P- and S-wave separation by selective attenuation | Wang |

Estimation of fluid permeability by inversion of anisotropic attenuation | Guo |

This page was last updated on Saturday, 03-Aug-2013 14:23:16 CDT.