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Showing 37,682 Results. Searched 200,663 documents.
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, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana
Susan E. Nissen , Janet M. Combes , Anthony G. Nekut
Journal of Sedimentary Research (SEPM)
... were not corrected for the tilted streamer geometry, the normal moveout (NMO) velocities which properly move out the primary arrivals for stacking...
1999
Optimización de Migración Pre-Apilado en Tiempo Tipo Kirchhoff para Datos Sísmicos 3D en los Llanos Orientales [PAPER IN SPANISH] Migration Optimization of Pre-Stack Kirchhoff Time Type of 3D Seismic Data in the Eastern Plains
María Isabel Prieto, José María Jaramillo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... “offset” (normal moveout). Este procesamiento minimiza el error en la 2 MARIA ISABEL PRIETO Y JOSE MARIA JARAMILLO obtención de la imagen sísmica...
2009
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... moveout (nmo) correction and converted to depth. It can be observed that coal C is resolvable, but coal A and B cannot be resolved possibly due to tuning...
2009
Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15)
Mazlan Ghazali, Edgardo Padron, Mehmet Ferruh
Geological Society of Malaysia (GSM)
...Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15) Mazlan Ghazali...
2011
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
AVA attribute estimation from misaligned seismic gathers using U-Net
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... are mainly caused by inaccuracies in the velocity model used during migration. Aligning these reflections in seismic normal moveout (NMO) corrected...
2024
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... up to prestack migration and normal moveout (NMO) application, still there are some simplistic preconditioning steps that are generally adopted...
2019
Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary
Bruce Hart
PTTC
... is desired and what can be afforded. Seismic processing follows both normal moveout (NMO) to correct effects of separation between the receiver...
2003
Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir
Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte
GCAGS Transactions
... information added to the seismic trace headers. Normal moveout (NMO) and dip moveout (DMO) corrections were applied with azimuthal anisotropic...
2002
Abstract: Multi-Vintage, Pre-Stack Calibration of 3-C 3-D Time-Lapse Seismic Data; #90171 (2013)
Igor B. Morozov and Le Gao
Search and Discovery.com
... and wavelet phase rotations. 4) Spectral balancing. 5) Measurement and compensation of the normal moveout (NMO) differences between the different...
2013
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
... diagram showing the derivation and application of the x-p normal moveout (NMO) correction. not follow hyperbolic trajectories. Significandy improved...
1989
Seismic Velocities, by D.S. MacPherson, #40150 (2005).
Search and Discovery.com
2005
Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data A First Example from Malaysia
Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge
Indonesian Petroleum Association
..., for shallow events and at large offsets a frequency distortion occurs as a result of Normal Moveout Correction (NMO), and a mute is required to remove...
2013
P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics
James Gaiser
Petroleum Exploration Society of Australia (PESA)
.... Their NMO signatures can be reconstructed from the moveout measured on PSH-like reflections in azimuths near these symmetry planes. S-wave splitting...
2016
Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra
Peter Walker, Masrizal Maas, Michael D. Burnaman
Indonesian Petroleum Association
... but slightly concave upwards indicating departure from normal hyperbolic moveout due to the distorted ray paths shown in Figure 14. This small...
1986
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
2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea
A. C. Evans and D. N. Parkinson
AAPG Special Volumes
.... Offset weighted 275 m-10% 2,625 m-100% (902 ft-10% 8,612 ft-100%) Normal moveout correction from velocity analysis Static correction: Gun and cable...
1983
Footprints in Seismic Data, by Surinder Sahai and Khalid Soofi, #40230 (2007).
Search and Discovery.com
2007
Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... is not optimal. Instead of stacking the azimuthally-sectored normal moveout, or NMO, corrected traces at every CMP, we suggest generating supergathers using...
2019
Abstract: Recent Advances in the Characterization of Unconventional Reservoirs with Wide-azimuth Seismic Data; #90187 (2014)
Ran Bachrach, Sagnik Dasgupta, Colin Sayers, Josimar Silva, and Stefano Volterrani
Search and Discovery.com
... perturbations relative to a reference NMO (Normal Moveout), can be computed, and an elliptical fitting routine can define velocity in the fast...
2014
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... describes the procedure that has been as interpretation surfaces or processed seismic Stacking velocities are chosen to correct normal used to generate...
2012
Chapter 3: Preparation of Seismic Data for Stratigraphic Work
Tom Wittick
North Texas Geological Society
.... Normal Moveout or NMO Normal moveout corrects for the lateral offset that is present between the shot and receiver on each of the traces on a field...
1992
Preparation of Seismic Data For Stratigraphic Work
Abilene Geological Society
... Moveout or NMO Normal moveout corrects for the lateral offset that is present between the shot and receiver on each of the traces on a field record. Each...
1993
DAS noise attenuation using wavelet stack
Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Normal moveout (NMO) is used to increase the dip differences between reflections and other unwanted energy (Yu et. al., 2017). 1D wavelet transform...
2022