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The AAPG/Datapages Combined Publications Database
Showing 493 Results. Searched 195,452 documents.
Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia
Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell
Petroleum Exploration Society of Australia (PESA)
... to the broader frequency bandwidth. Migrated CMP gathers are also available after reprocessing, and Figure 4 shows these NMO corrected gathers with a 200m...
2016
Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia
Said Amiribesheli, Jordan McGlew, Joshua Thorp
Petroleum Exploration Society of Australia (PESA)
... Migration (PSTM) workflow that incorporated 4th order Normal Moveout (NMO) velocities at the migration stage. The 4th order NMO velocities provides...
2019
Abstract: Robust Surface-Consistent residual Statics and Phase Correction Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
... and receivers. The proposed method can converge to a local maximum. To avoid this, it is necessary to have good NMO velocities and have a starting...
2015
Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)
Gary Jones, Rocky Roden
Search and Discovery.com
... available, processed through NMO and Pre-Stack Time Migration, and of good quality. The first series of displays shows a map of maximum curvature...
2012
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
Seismic Acquisition in the Papuan Fold Belt: A New Approach
G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo
Papua New Guinea (PNG) Petroleum Convention Proceedings
... deconvolution (160msec operator) NMO (velocity analysis every 1.25km) Outer trace mute (max. offset retained 18(K)m) Residual statics (2) DMO Stack (36 fold...
1996
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)
... suposición de un medio isotrópico, donde se tiene en cuenta el efecto de la anisotropía en la estimación de las velocidades que describen la curva de NMO...
2009
AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea
Feby Hapsari, Irfan Saputra, John Coffin, Liyanto
Indonesian Petroleum Association
... prospect near the Kola-1 well. METHODS Data Preparation For AVO modeling and analysis, 20 lines of 2D NMO corrected CDP gathers in the Arafura field were...
2008
Broadband Seismic Technology and Beyond: Part IX: BroadSeis in Production
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
... towards the initial model. NMO-derived seismic velocities are often used to define the initial low frequency model, which provides information at the very...
2014
Enabling the Next Generation of Hydrocarbon Exploration
Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn
GEO ExPro Magazine
... seismic NMO velocity to calculate anisotropic parameters and propagate the anisotropy along seismic horizons. This traditional approach works...
2018
Mini Seismic Processing System for Training and Research Purposes
Suprajitno Munadi, Bambang Triharjanto
Indonesian Petroleum Association
... (right). The trainee can also be asked to select the velocity function which is required for NMO correction. In practical cases this work needs...
1993
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
2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore
W. J. Jankowsky and G. Schlapak
AAPG Special Volumes
.... NMO-functions derived from continuous velocity analyses DAS: 2 Operators/Trace, Op. Lenth: 236 msec. Gate: 200 - 5900 msec. TVF:0.0 - 1.0 sec...
1983
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...
Unknown
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...
2013
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...
Unknown
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...
2013
Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
.... The (non-) repeatability of amplitudes in shot gathers datasets still does not automatically mean the same in the CMP domain. The consistency of NMO...
2013
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
Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)
Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...
2014
Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)
Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
... bins, and NMO corrected. Figure (4) shows plots of three CMP gathers used for AVO trend assessment. The locations of these CMP gathers are annotated...
2014
Abstract: Converted-wave Time Imaging Nuts and Bolts; #90187 (2014)
Shaowu Wang, Thomas Hollis, and Wayne Nowry
Search and Discovery.com
... final P-wave migration velocity, and , in which is the converted-wave NMO velocity and is calculated by events registration from PP PSTM stack and PS post...
2014
Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)
Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross
Search and Discovery.com
... of interest (ZOI), the reflections around the ZOI suffer severe NMO stretch and the signal-to-noise ratio is low beyond 600 m offset. It will degrade...
2014
Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)
Amin Baharvand Ahmadi, Igor Morozov
Search and Discovery.com
... and calibrate the NMO-corrected VSP data to the surface seismic records, the VSP to CDP transformation was conducted by using the same CDP binning...
2015
Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)
Francois Audebert and Volker Dirks
Search and Discovery.com
...-way traveltime along the normal ray, the apparent slowness (traveltime gradient) at the emergence point, and the apparent NMO velocity, Vnmo (related...
2015