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The AAPG/Datapages Combined Publications Database
Showing 283 Results. Searched 195,452 documents.
An Evaluation of Offshore and Beach Changes on a Tideless Coast
Lee L. Weishar, William L. Wood
Journal of Sedimentary Research (SEPM)
... data set. This may be the result of aliasing of the data in the egion of the inner bar. It is reasonable to assume that the inner bar, located...
1983
The deblending processing of multi-well 3D DAS-VSP data in the Middle East
Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... is high, and it is difficult to be applied in practice. Especially for high efficiency mixed production data, due to high aliasing, low signal...
2023
The Wave Equation Applied to Migration
D. Loewenthal, L. Lu, R. Roberson, J. Sherwood
Southeast Asia Petroleum Exploration Society (SEAPEX)
... low cut, 30 Hz high cut) in order to avoid any drastic aliasing problems during the migration procedure. The model parameters were a constant...
1978
Parsimonious Deconvolution
Jon F. Claerbout
Southeast Asia Petroleum Exploration Society (SEAPEX)
... because the stepout from trace to trace caused spatial aliasing. A more satisfactory presentation of the data is to perform time shifts which reduce...
1980
Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block
Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... angle stacks (Figure 4). Interpolating data to a dense grid (6.25 m x 6.25 m at 2 ms) prior to input for SRME mitigated spatial aliasing in multiple...
2023
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The interpolated velocity field is used for the following forward modeling and migration to avoid spatial aliasing, the interval 𝛥𝜏 should follow...
2023
3D Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay, Irian Jaya Barat: Part I of II
Yayat Supriatna, Angke Nuraeni, Supriyono, Greg J. Schurter, Carl J Regone, Nurul Kabir
Indonesian Petroleum Association
... for the velocity and density models must be considered as it is directly related to the aliasing criteria. Selection of the above parameters was based on previous...
2007
The Challenge of Applying New Technologies to Exploration in a Sub Andean Basins
Marcelo Benabentos, Pedro Muñoz, Juan Uribe, Francisco Ortigosa, Dewi Jones
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the lateral resolution and spatial aliasing at target. (a) (b) Figure 1. (a) Seismic section of existing high fold short 2D line. (b) Seismic section...
2009
Illuminating Resolution
Paul Wood
GEO ExPro Magazine
... sampled. Noise caused by spatial aliasing – not recording sufficiently often Towards the end of the 1990s, WesternGeco, now a Schlumberger company after...
2011
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
... functions are weighted so as to reproduce anti-aliasing and limited aperture effects, but also effects associated with mute functions and weighting schemes...
2023
The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico
Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida
International Meeting for Applied Geoscience and Energy (IMAGE)
... strong interfering events from the other vessel, beyond aliasing limitations. Adaptive noise attenuation and adaptive deghosting were able to improve...
2023
Some 3D Seismic Applications Offshore Sarawak
Ronald Hoogenboom
Geological Society of Malaysia (GSM)
... system just at the oil-water contac4 thus explaining the spill point of this structure. Thls example illustrates the risk of fault aliasing due to under...
1988
Recent Advances in Borehole Seismic
W. L. Nutt
Indonesian Petroleum Association
... at each level. Fine sampling of levels within the well is essential to avoid spatial aliasing when separating the up and down going events...
1984
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... of the spacing between the groups. To retain the effectiveness and prevent aliasing of returns from dipping structure, the arrays, in these areas, were...
2001
Migración Sísmica Anisótropa 3D en Tiempo y en Profundidad antes de Apilamiento por el Método de Kirchhoff en el Campo Soto Mapiri, Este de Venezuela. [PAPER IN SPANISH] 3D Anisotropic Seismic Migration Time and in Depth before Stacking by the Kirchhoff
A. A. Ortega, D. Sekulic, J. Crowther, C. Gordillo, Y. Lopez, M. Gomez
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... del campo de velocidades intervalicas. Con la finalidad de minimizar el aliasing espacial durante la fase de interpolación de las tablas de tiempo...
2006
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... of the ONWJ survey, the bin dimensions are identical for NS and EW directions, so no preferred direction exists to reduce aliasing. Organized linear...
1996
What lies beneath? Prospecting for Hydrocarbons under a metamorphic allochthon, Timor-Leste
M. Bucknill, Brendan Duffy, Jason Noble, Alex Berkovitch
Petroleum Exploration Society of Australia (PESA)
... an aliasing problem which cannot be solved by observing fault character or fault-blockfill character alone. We used near-offshore 1970 lines...
2019
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
...-tension case has more severe implications for the required sampling if one wants to avoid the noise aliasing back into the signal cone. The platform...
2019
Use of Thermal and Epithermal Neutron Measurements in Shaly Sand Evaluation
John Puffer , Gerrit d'Ablaing IV , Tim Toth , Harold Darling
GCAGS Transactions
...). Experience has shown the need to sample more finely than actually needed in an effort to avoid aliasing effects. Modest (less than 1,200 ft/hr) logging...
1987
Wrench and Inversion Structures in the Timor Sea Region
Andrew Nelson
Petroleum Exploration Society of Australia (PESA)
... tens of metres. It is particularly likely that aliasing of fault mapping will occur. Stress variation It is unlikely that all circumstances...
1993
Sand Volcanoes of the Carboniferous Ross Formation, County Clare, Western Ireland: 3-D Internal Sedimentary Structure and Formation
J. K. Pringle, A. R. Westerman, D. A. Stanbrook, D. I. Tatum, A. R. Gardiner
AAPG Special Volumes
... interval was used to negate any spatial aliasing of reflection events. Nine hundred and thirty-one GPR traces were acquired during a 2-h acquisition...
2007
Long Climatic Time Series from Sediment Physical Property Measurements
Timothy D. Herbert, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
..., Aliasing of the geologic record and the search for long-period Milankovitch cycles: Paleoceanography, v. 3, p. 613-620. PISIAS, N.G., SHACKLETON, N.J....
1991
ABSTRACT: Hierarchicl, Self-A fine Fluial Sand Body Shaps from Ancient and Modern Settings; #90013 (2003)
Paul A. Dunn, J. C. Van Wagoner, M. Defenbaugh
Search and Discovery.com
... MHz systems respectively) so as to minimize spatial aliasing. Cores were described, photographed and sampled at 2-10 cm intervals for laser particle...
2003
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... (red). All velocities can be recovered except that of the 333 m/s event due to severe spatial aliasing (more than ½ period) at a 50m station interval...
2014
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... analysis of seismic data using local attributes: Geophysics, 76, P23– P34. Liu, Y., and S. Fomel, 2011, Seismic data interpolation beyond aliasing using...
2014