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The AAPG/Datapages Combined Publications Database
Showing 13,863 Results. Searched 200,293 documents.
Abstract: DMO Accuracy Requirements for AVO Analysis
Craig J. Beasley
Geological Society of Malaysia (GSM)
... ACCURACY REQUIREMENTS FOR AVO ANALYSIS CRAIG J. BEASLEY WESTERN GEOPHYSICAL COMPANY SINGAPORE Dip-moveout (DMO) is commonly used in seismic data...
1990
The Need for Seismic Dip Migration
W. B. Robinson.
Oklahoma City Geological Society
... T is the difference in time between traces at opposite ends of the record. The normal moveout or angularity, as it is sometimes called, will be cancelled...
1958
Abstract: A Geophysical Appraisal of the East Spar Gas/Condensate Field
Adam Craig
Petroleum Exploration Society of Australia (PESA)
... was constructed by detailed interpretation of gas/condensate field the WA-214-P joint normal moveout velocities from seismic change. Such gas sands...
1997
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... offshore Peninsular Malaysia. THE ROLE OF VELOCITY IN SEISMIC DATA PROCESSING Velocity plays dual roles in seismic data processing. 1. Normal Moveout...
1991
Corrected Record Sections
Ernest M. Hall Jr.
CSPG Special Publications
... moveout. The weathering and elevation or “static” corrections are constant for a given trace throughout the length of the record. The normal moveout...
1957
Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons
Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies
Unconventional Resources Technology Conference (URTEC)
... amplitude variations as a function of angle. The easiest to observe are the effects contained in the ‘eta’ term for normal moveout due to anisotropy...
2016
Geophysical Characterization of Lithology--Application to Subtle Traps
Carl H. Savit, Changsheng Wu
AAPG Special Volumes
... surveys or the geometric analysis of reflection times (the classic normal-moveout-velocity analysis). Results of such calculations of sound velocity...
1982
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... of Western Canada basin: discussion: AAPG Bulletin, v. 63, p. 812–814. Liner, C. L., 1999, Concepts of normal and dip moveout: Geophysics, v. 64, p...
2001
A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods
Kriyanti Setiyono, Ken H. Matson
Indonesian Petroleum Association
... a normal moveout is applied to the CMP gathers with a velocity that flattens primary events and undercorrects the multiples. The NMO-corrected gather...
2000
Continuous Dipmeter, New Geological Tool: ABSTRACT
B. Osborne Prescott
AAPG Bulletin
... is plus-minus ½° of dip and plus-minus 1° of strike. This is not the over-all accuracy of the dipmeter, but merely the accuracy of the calculations...
1956
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... transverse isotropy (VTI) medium that is based on normal moveout (NMO) travel-time calculations and a detectability criterion. We provide the mathematical...
2024
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... be adequately described by the first two terms in the general polynomial expression. This approximation, is known as normal moveout. The moveout which...
1982
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
... to their two-way normal time at each offset. Once the reflection events have been corrected for normal moveout, the seismic-data traces are combined...
1989
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... make the normal moveout more hyperbolic (Figure 3-21). However, because the natural spatial sampling of streamer marine systems is typically finer...
2011
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the local slope throng the normal moveout velocity and ray parameter, which can enhance the stability and accuracy of local slopes. In this way...
2022
The calculation of first-arrival P-wave traveltime for attenuating TTI media
Mengxiu Wang, Jingyi Chen, Zhengcong Zhao, Kaiyuan Ji, Shaoying Chang
International Meeting for Applied Geoscience and Energy (IMAGE)
... vP 0 vn , is 0.1, the Thomsen-style parameters q and 0.05, the P-wave vertical velocity velocity vn v p and normal moveout are 3 km...
2022
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... of improving subsurface imaging, The Leading Edge, v. 27/2, p. 250-256., doi: 10.1190/1.2840374. de Bazelaire, E., 1988, Normal moveout revisited...
2011
-- no title --
user1
Search and Discovery.com
...user1 AAPG International Conference and Exhibition (ICE) Muscat, Oman, 30 September - 2 October, 2024. On the Accuracy of Fault Sealing Calculations...
Unknown
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... of dip moveout (DMO) applied after normal moveout (NMO) correction, but before the data are stacked. DMO, a form of partial prestack migration, completes...
1992
Seismic Attenuation Analysis for Reservoir Description
Search and Discovery.com
... noise. This is the same as AVO super gather. The CMP gather used for Q estimation needs to be without NMO stretch, so that if normal moveout...
2013
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the seismic response characteristics and imaging methods in order to obtain accurate imaging of the fault-karst. Normal moveout corrections can...
2024
A New Approach to Pore Pressure Predictions: Generation, Expulsion, and Retention Trio—Case Histories from the Gulf of Mexico
Selim Simon Shaker
GCAGS Transactions
..., 1975; Bowers, 1994) use the section in zones A and B (the so-called normal compaction trend, NCT) as the lead track for their calculations...
2015
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... derive velocity model from the recorded traveltimes. Results from normal moveout (NMO) velocity analysis can be useful when we are dealing with simple...
2021
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... time differential between the the arrival of the event at the near and far phone of the group. This time shift amounts to "normal moveout" across...
1978
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
... in multilayered media: Applied Geophysics, 15, 314 (in Russian). Castle, R., J., 1994, A theory of normal moveout, Geophysics, 983-999. Malovichko, A., A., 1978...
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