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The AAPG/Datapages Combined Publications Database
Showing 547 Results. Searched 200,357 documents.
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... be corrected (Figure 1b) using the azimuthal NMO equation (Contreras et al., 1999): t 0 zero offset time (sec) 2 t 2 t0 cos 2 sin 2...
2014
Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).
David Gray
Search and Discovery.com
... 3D visualization software, as is shown in Figure 1. It is used for quality control of azimuthal processes, such as azimuthal NMO and azimuthal AVO...
2015
Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand
Jasper Hoffmann, Andrew Gorman, Gareth Crutchley
Petroleum Exploration Society of Australia (PESA)
... on velocity analysis are a standard procedure undertaken during long-offset seismic processing to determine accurate normal moveout (NMO) corrections...
2018
2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).
Search and Discovery.com
2013
2007 CSPG/CSEG GeoConvention, Calgary, Alberta, May 14-17, 2007 - Abstracts, #90168 (2013).
Search and Discovery.com
2013
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... particularly when seismic data has poor signal-to-noise ratio (SNR) with complex geologic settings where no clear reflector is present. Considering...
2022
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...
1986
Pie in the Sky?
Ed Hagar
GEO ExPro Magazine
... from low channel analog recording systems to high-channel count digital systems with low-noise streamers. Processing houses have taken us from NMO stack...
2019
Distribution of Nubian Sandstone Formation in Sudan and Vicinity: GEOLOGIC NOTES
J. R. Vail
AAPG Bulletin
... dip in small exposures where the topset beds are absent. However, in most areas the deposits are flat or gently dipping. The sands are also ripple...
1974
Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis
Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer
Journal of Sedimentary Research (SEPM)
... a strip of the replicating tape used in electron microscopy. The replicas were peeled off after drying, ironed flat if necessary, and mounted between...
1991
Geophysical Interpretation of Pinedale Field
Sally G. Zinke
AAPG Special Volumes
... autostaticsVelocity analysis and NMO correction 1 mi grid3-D SC autostatics Shot Domain Noise Reduction—Air Blast/Surface Wave AttenuationResidual statics QCSurf...
2014
Fractured Reservoir Prediction A Case Study in the Sichuan Basin; #10512 (2013)
Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He
Search and Discovery.com
.... Afterwards, NMO velocity can be obtain via velocity analysis according to the criterion of flattening the reflections. The velocity spectrum, picked NMO...
2013
A stochastic modeling method of seismic velocity and anisotropy parameters in VTI medium using travel time detectability criterion
Andrey H. Shabelansky, Huafeng Liu, Cory J. Hoelting, Min Yang, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... in vertical transverse isotropy (VTI) medium that are based on normal moveout (NMO) traveltime calculations and detectability criterion. We provide...
2022
Multi-Component Seismic (3C) Data Acquisition A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)
K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta
Search and Discovery.com
... 4 and 5 intervals Well A. Figure 3A. PP gathers with NMO correction at well A. Figure 3B. PS gathers with NMO correction at well A. Figure 4A...
2011
Seismic Data Compression by Variational Autoencoder With Hyperprior
Shirui Wang, Wenyi Hu, Aria Abubakar, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
...y flat and sparse. Conclusion In this study, we present a novel deep learning-based method for compressing seismic data. Instead of using a singl...
2023
Abstract: Q Estimation by a Match-filter Method; #90174 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... indicator in conjunction with other observation such as flat spot, bright spots, and AVO anomalies. So, it will be very useful if the Q estimation method...
2014
Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-Receiver and Conventional Data, Bakken Formation, North Dakota; #41160 (2013)
Niranjan Banik, Antoun Salama, Adam Koesoemadinata, George El-Kaseeh, Mark Egan, and Alfonso Gonzalez
Search and Discovery.com
... the real data. Note that this mute was tight enough to prevent normal move-out (NMO) stretch from being a significant factor in the subsequent frequency...
2013
Abstract: Towards an Optimal Workflow for Azimuthal AVO; #90171 (2013)
David Gray and Shangxu Wang
Search and Discovery.com
... interpolation, compared to Bani in Figure 5, which is the same workflow without interpolation. Figure 3: Bani from NMO gathers. Figure 5: Bani from azimuthally...
2013
Abstract: Microseismic Event Locations for Deviated Boreholes; #90187 (2014)
Amna Feroz and Mirko van der Baan
Search and Discovery.com
... analysis at each receiver location. If the possible event location is between 0 to 90 or 180 to 270(estimated from covariance analysis), then NMO...
2014
Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)
David Gray, Seann Day, and Scott Shapper
Search and Discovery.com
... introduce significant time distortions that are not adequately corrected with typical NMO velocities. Gathers should be examined for evidence of anisotropy...
2014
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
...'). The result is best illustrated on combined velocity analyses (Figs 3-6), showing normal-moveout (NMO) corrected gathers, constant velocity stacks...
1994
Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan
William C. Ade, Ian T. McMahon, Wahyudin Suwarlan
Indonesian Petroleum Association
... by incorporating the study of well logs, seismic sections, NMO corrected gathers, AVO graphs and theoretical models. Chiburis, E.F. 1987. Studies...
1988
Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data
A. A. Tabakov, V.N.Ferentsi, H. Gravini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... dzdt t ( h ) −δ h −∆ which is a measure of presence on the given depth of reflector with dip ϕ and azimuth θ . Estimation K (h) is implemented...
2006
Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)
Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan
Indonesian Petroleum Association
.... Faults are seen more clearly, even before the reprocessing is completely finished. The reprocessing succeeded in enhancing reflector continuity under...
2011
Integrated Workflow for Fracture Characterization ; From Well Bore Analysis, Post-Stack Geometrical Attributes and Pre-Stack Azimuthal Inversion; Case Study for Fractured Volcanic Reservoir Analysis in Jatibarang Field, North West Java Basin
Aji Rahmat Ginanjar, Andreas Wasi Kuncoro, Muhammad Taslim, Tri Sunarno Irianto, Arrie Kurniawan, Oddy Pranidhana
Indonesian Petroleum Association
... seismic interpretation. Dip and Azimuth attributes define a local reflector surface that can be used to detect discontinuities which then can be used...
2017