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The AAPG/Datapages Combined Publications Database
Showing 254 Results. Searched 195,372 documents.
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
... migration with the phase shift method, Geophysics, Vol. 43, 1342 – 1351. Khaniani, H., Bancroft, J. C., and Von Lumen, E., 2013, Iterative...
2015
Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)
Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson
Search and Discovery.com
... bases: J. Math. Anal. Appl., 322, 437–452.. Wards, B.D., Margrave, G.F., Lamoureux, M.P., 2008, Phase‐shift time‐stepping for reverse‐time migration...
2015
A Practical Review of Migration Issues and Solutions; #40723 (2011)
Ian F. Jones
Search and Discovery.com
... they can honour lateral velocity change. For example, a phase-shift technique has a very good dip response, so forms the basis of several migration...
2011
2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia
M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias
Indonesian Petroleum Association
... the efficiency has been developed by Unocal. It applies a phase shift compensation operator to correct for the cumulative error due to the inline...
1996
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
...Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013) Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux...
2013
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
...Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng...
Unknown
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
...Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng Seismic Migration Interpolation using Time-Shift Imaging Condition Mark Ng...
Unknown
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... ranging from -2000m to +2000m at increments of 8.333m. This constitutes our "real" data. As a migration algorithm, we used a pre-stack PSPI (phase-shift...
2015
Abstract: White Noise Suppression in the Time Domain Part II; #90174 (2014)
Patrick Butler
Search and Discovery.com
... that on the section with zero phase shift the whitening has not really helped the resolution while the section with the phase shift is sharper and has...
2014
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... and Phase-shift migration handle velocity fields that vary in time (or depth) only. However, only Depth Migration comprehends lateral velocity variation...
1987
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... as a phase shift, can be applied to the image, whether the image was obtained from WEM, Kirchhoff migration, or GBM. So this strategy is applicable...
2015
Complex Resistivity Spectra and Fractal Pore Geometries in Relation to Flow Properties in Carbonate Rocks
Search and Discovery.com
N/A
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... (Du, 2007): transformation of wavefield from the spatial to the wavenumebr domain and apply a phase-shift based on the vertical wavenumber, kz...
2015
Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)
Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson
Search and Discovery.com
.... Anal. Appl., 322, 437–452.. Wards, B.D., Margrave, G.F., Lamoureux, M.P., 2008, Phase-shift time-stepping for reverse-time migration: The Marmousi...
2014
Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... this is not common. It may also contain the phase shift due to passage of the ray through caustics using a calculation of the KMAH (Keller, Maslov, Arnold...
2014
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... (fourth-order), DMO, stack and time migration (phase-shift plus stolt algorithm). Next it was processed using pre-stack Kirchhoff imaging, which...
2000
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., the phase-shift operator and split-step correction operator at the k th depth. Finally, f (ω ) is the frequency distribution of the source, and c 0 and c1...
2013
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... of frequencies in updating model. Vigh and Starr (2006) used plane-wave method for 3D problems and Margrave et. al., (2010) used Phase Shift Plus Interpolation...
2014
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... Prospecting, 50, 577–588, doi: https://doi.org/10.1046/j.1365-2478.2002.00341.x. Gazdag, J., 1978, Wave equation migration with the phase-shift method...
2023
Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)
Mark Ng
Search and Discovery.com
...Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging...
2013
Abstract: Depth Migration of Monostatic and Bistatic Georadar Data; #90187 (2014)
Robert J. Ferguson, Matthew J. Yedlin, Christian Pichot, Jean-Yves Dauvignac, Nicholas Fortino, and Stephane Gaffet
Search and Discovery.com
..., A., and Rowel, C., 2010, Shot record depth migration of georadar; CREWES Research Report, 21. Gazdag, J., 1978, Wave equation migration with the phase-shift...
2014
Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)
Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan
Indonesian Petroleum Association
... Consistency (cross correlation, phase & time-shift dispersions, and stretch), and Spatial Stability (stretch dispersion, lateral amplitude variation...
2011
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
...: Marine and Petroleum Geology, v. 19, p. 12751293.Gazdag, J., and P. Saguazzero, 1984, Migration of seismic data by phase shift plus interpolation...
2009
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
... wave equation pre-stack depth imaging methods such as phase shift, split step Fourier, phase shift plus interpolation, and finite difference methods...
2008
Atwater Valley 118 #1
Alec Bray
Houston Geological Society
... Reconciliation Seismic ties the wireline very well. No phase shift seismic data observed. 300' thick sand on logs match transparent zone on seismic data...
2000