## 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 2015

1) Bundle of five elastic source wavefield reconstructions
in RTM a) Prestack elastic RTM with full wavefield storage. b) Prestack elastic RTM with source boundary value reconstruction. c) Prestack elastic RTM with source initial value reconstruction. d) Prestack elastic RTM with source mixed value reconstruction. e) Prestack elastic RTM with the excitation amplitude image condition. f) Prestack elastic RTM with the sparce cross-correlation image. | Nguyen |

2) Bundle of two software packages for: (a) P-S and Up-Down separations for elastic RTM (b) Vector-based elastic RTM | Wang |

#### List of Software expected to be deliverd by the UTD Geophysical Consortium in 2016 and beyond

Baysian inversion for fracture properties from elastic tensor elements | Falcon |

Polarized wavefield magnitudes with optical flow for elastic ADCIGs | Gong |

Non-linear trust region inversion of AVA and PVA data | Gong |

3-D elastic ADCIGs and AZDCIGs | Khaxar |

Sensitivity of anisotropic attenuation and velocity to properties of fractured reservoirs | Guo |

FWI for near-surface data | Ren |

Image conditions with multipathing | Tang |

Inversion of fracture properties from elastic tensor data | Alkharji |

Time-shift Poynting vectors | Tang |

Acoustic full-wave inversion using phase-modified and deconvolved RTM | Tang |

2D acoustic RTM with Up/Down image separation | Wang |

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

Frequency-domain full-wave inversion using constant-frequency residual wavefield in space | Wu |

True-amplitude reconstruction of acoustic and elastic wavefields during reverse-time extrapolation | Wu |

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

This page was last updated on Wednesday, 13-Jul-2016 13:16:18 CDT.