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The AAPG/Datapages Combined Publications Database
Showing 30,477 Results. Searched 195,372 documents.
ABSTRACT: The Impact of Post Migration Data Conditioning on Seismic Images and Attributes; #90115 (2010)
Adekanle Ayorinde, Youn Oong, and Iyiola Sunkanmi
Search and Discovery.com
... are residual multiples, high frequency random noise, coherent linear dipping noise, and residual Normal Moveout (NMO) and low frequency NMO stretch...
2010
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... causes of LFS are the presence of free gas or normal moveout (NMO) stretching. In order to have a deep understanding of the low frequency shadow causes...
2019
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
... correction for an offset gather with strong AVO effect (a) Ideal gather, no stretching, no normal moveout applied; (b) before NMO correction; (c) after...
2015
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... m on either end. The offset related curvature of the reflections is due to normal moveout. (b) Normal moveout correction (NMO) has been applied...
1992
Abstract: AVO Compliant Spectral Balancing; #90171 (2013)
Nirupama Nagarajappa and Jon Downton
Search and Discovery.com
... processing steps must be compensated not only to improve the AVO attribute resolution but also to remove false AVO effects caused by these processes. NMO...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
.... Complicating this are residual statics, imperfect normal-moveout (NMO) correction, non-uniformly spaced traces, the need to preserve multiples (so...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
.... Complicating this are residual statics, imperfect normal-moveout (NMO) correction, non-uniformly spaced traces, the need to preserve multiples (so...
2013
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... Sultan Ismail, Kuala Lumpur 50250 '[email protected] Summary NMO or normal move-out is the time shift needed to correct for the effect of offset...
2008
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... shift and the effects of VTI impact normal moveout measurements at all offsets. For data not corrected for VTI, the angle gathers used for HTI can look...
2016
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
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... 2000 1 8 Anisotropic effects are observed for the moveout velocity on surface seismic data as reflection angles increase. An alternative...
2000
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... in attenuating multiple events where minimal differential normal moveout exists between primary and multiple reflections. The paper considers the nature...
1988
U-net based primary alignment
Ricard Durall, Ammar Ghanim, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ettrich Fraunhofer ITWM, Germany Summary Aligning primary reflections in seismic normal moveout (NMO) corrected gathers is a crucial part of seismic...
2023
Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods
Allan T. Long, R. C. Anderson
AAPG Special Volumes
.... Normal moveout (NMO) and residual statics corrections must be performed as accurately as possible, for any AVO analysis is degraded by inappropriate...
1992
An Overview of Reservoir Seismic Stratigraphy, Frontmatter
Tom Wittick
North Texas Geological Society
... Recovery 3-3 Wavelet Processing 3-5 Statics 3-10 Normal Moveout or NMO 3-11 Spectral Balancing 3-11 Migration 3-12 Chapter 4 Synthetic...
1992
Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... 82/V 2 (3) The first term on the RHS of (equation 3) is associated with normal moveout (NMO) and the second term with dip moveout (DMO) since...
1996
Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia
Mike Hartley, Shuo Ji, Alex Browne
Petroleum Exploration Society of Australia (PESA)
... also makes borrowing of traces with partial normal moveout (NMO) problematic for SRME. Consequently an alternative approach to multiple removal...
2016
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... Dix equation and analytic treatment of normal moveout velocity for anisotropic media: Geophysical Prospecting, 47, 117-148. Tsvankin, I., 1997...
2014
Recent Advances in Borehole Seismic
W. L. Nutt
Indonesian Petroleum Association
..., bandpass filter and true amplitude recovery are applied. A normal moveout (NMO) correction is then applied using the velocity function derived from...
1984
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
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... Cheng, Femi Ogunsuyi, Frank Meng, and Xinxiang Li. References Grechka, V. and Tsvankin, I., 1998, 3-D description of normal moveout in anisotropic...
2018
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... analysis and normal moveout. 66th Annual Internat. Mtg., Soc. Expl. Geophys.,, Expanded Abstracts 1555-1558. Zhu, T. and Cheadle, S., 1999, A grid...
2014
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... with offset. The most common sorts the data into a common midpoint (CMP) gather and determines the best-fit normal moveout velocity, V nmo...
2001
Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).
Search and Discovery.com
2004
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...
2013