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The AAPG/Datapages Combined Publications Database
Showing 29,081 Results. Searched 195,364 documents.
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
..., stack then post stack migration. This paper presents a technique known as MOVES (Marcoux, 1987) which applies Dip Moveout, prestack time migration...
1991
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...., 1984, Dip moveout by Fourier transform: Geophysics, 49, 741–757. Kim, Y. C., and Gonzalez, R., 1991, Migration velocity analysis with the Kirchhoff...
1992
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... (P-S) prestack time migration need to be handled appropriately in order to optimize the migrated image. Introduction Imaging of converted-wave (PS...
2015
Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)
Shaowu Wang and David Wilkinson
Search and Discovery.com
..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...
2014
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... (dip-moveout) is recognized as the technique to image the steep dip events which are indiscriminately smeared when the data are processed...
1989
Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... diffraction hyperbolas are preserved for the subsequent migration pass. DMO as discussed here is different from the classical definition of dip moveout which...
1996
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... corrections (e.g. fourth-order) can be applied to help improve the accuracy of NMO. Dip-moveout (DMO) is also part of the conventional processing stream...
2000
Abstract: A Time Migration before Stack
Richard C. Cooper, Malcolm R Hobson
Geological Society of Malaysia (GSM)
... processing sequence. Similarly during the 1980's, we saw a proliferation of research and development of partial pre-stack migration operators, or Dip-Moveout...
1990
Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)
Peng Cheng, Gary F. Margrave, David C. Henley
Search and Discovery.com
... that the seismic data have higher resolution and a better tie to the well log data when color correction is applied. Introduction Four conventional deconvolution...
2015
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... a converted wave velocity Vc from the hyperbolic moveout on a CSP gather. Moveout (MO) correction and stacking completes the prestack migration. We obtain Vc...
2015
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... for AVO analysis. Introduction Prestack random-noise suppression is a difficult problem in land seismic processing. Some reasons for attempting...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... for AVO analysis. Introduction Prestack random-noise suppression is a difficult problem in land seismic processing. Some reasons for attempting...
2013
An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)
Rob A. Holt
Search and Discovery.com
... ([email protected]) Abstract Prestack depth migration often gives a readily observable improvement in imaging and a significant reduction...
2015
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... with a single velocity referred to as the converted wave velocity Vc. Once estimated, it can apply moveout correction to prestack gathers that can...
2015
Abstract: Non-Hyperbolic Reflection Tomography for Better Imaging and Interpretation, by Zhaobo Meng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Converted-Wave Prestack Time Imaging without using P-Wave
Search and Discovery.com
.... Prestack time migration can naturally handle this problem, thus becomes more important in converted-wave processing to detect subsuface subtle straitigraphic...
2013
Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)
Yueming Ye and Ru-shan Wu
Search and Discovery.com
... correction in local dip-angle domain Local image matrix (LI M) calculated during the migration is distorted from local scattering matrix (LSM) due...
2011
Abstracts: Fracture Analysis with Interpolation Before Prestack Migration; #90173 (2015)
Ye Zheng, Warren Upham, and Mark Ng
Search and Discovery.com
...Abstracts: Fracture Analysis with Interpolation Before Prestack Migration; #90173 (2015) Ye Zheng, Warren Upham, and Mark Ng AAPG Search...
2015
Abstract: 3D Localized Prestack Depth Migration from Workstations, by Xiaomin Zhao, Jianming Sheng, Ying Hu, and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... the traces being stacked no longer belong to the same CMP gather, this procedure requires a more general moveout correction than the one used...
2014
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
.... If steep and/or conflicting dips are involved in the data a special dip moveout (DMO) processing is required to improve the stacked data for migration...
1987
2D Seismic Lines Reprocessing Using Prestack Time Migration: Case Study of the Solimões Basin, by Ronan M. Avila and Leo R. Nascimento, #10231 (2010).
Search and Discovery.com
2010
Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)
Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman
Geological Society of Malaysia (GSM)
...Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34) Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman Warta Geologi...
2003
Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
...Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014) John C. Bancroft, Thais Guirigay, and Helen Isaac AAPG Datapages/Search...
2014
Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary
Bruce Hart
PTTC
... and the source on the arrival time of reflections and dip moveout (DMO), which corrects the difference in the arrival times or travel times of reflected waves...
2003