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The AAPG/Datapages Combined Publications Database
Showing 330 Results. Searched 200,357 documents.
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... such as spatial aliasing, boundary effects, accuracy of algorithms, 2-D versus 3-D migration, etc., have their counterparts in migration of velocity...
1992
Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait
Andreas T. Waluyo, Frank Büker
Indonesian Petroleum Association
... simulating reflectors and aliasing due to steep dips. This paper outlines the processing effort to address the multiples related to these features...
2009
3D Seismic from Planning to Mapping
A. Kullerud, O. Nipen, H. E. Nordberg
Indonesian Petroleum Association
... serious aliasing problems may occur. In order to avoid spatial aliasing, we need to sample the returning wavefield in discrete points with individual...
1985
Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method
Tilman Klver, Torben Hy
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the receiver side which mitigates spatial aliasing due to 12.5 m channel spacing. The continuously recorded near-field hydrophone data is used to determine...
2022
Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield
Arash JafarGandomi, Aparajita Nath, Sergio Grion
International Meeting for Applied Geoscience and Energy (IMAGE)
... frequencies needed to tackle spatial aliasing. It is also possible to operate a pair of projector units alternatively in phase and anti-phase, thereby...
2023
Abstract: Event-directed Spectrum Extrapolation for Upsampling Seismic Traces; #90172 (2014)
Zhengshong Yao, Elvis Floreani
Search and Discovery.com
... available data cannot be used as constraining/weighting criteria because of its strong aliasing. Therefore, the problem of upsampling now is transferred...
2014
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
...-stack data. Besides, MPFI avoids spatial aliasing on account of the weighted high frequency data with respect to prior. The workflow groups several...
2017
Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand
David Remus, Rex Prosser
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to their proper point of origin. The increased sampling will aid in avoiding fault and migration aliasing (Gaarenstroom, 1989). All of these factors should...
1992
Unsupervised frequency space domain deep learning framework for reconstructing 5D seismic data
Gui Chen, Yang Liu, Haoran Zhang, Mi Zhang, Yuhang Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... f − k spectrum and observed f − k spectrum are displayed in Figures 2(c) and (d), respectively, where missing traces lead to the wavenumber aliasing...
2024
Abstract: Improved Reservoir Characterisation from Inversion of High Resolution 3D Seismic Data (Poster 12)
Sagar Ronghe, Mark Sams, Sriyanee De Silva, Julian Sherriff
Geological Society of Malaysia (GSM)
... or time. This means that frequencies of up to 250 Hz can remain in the data with no aliasing effects. The lack of any spatial resampling (trace sum...
2003
Abstract: Wide Azimuth Interpolation; #90211 (2015)
Daniel Trad, Jeff Deere, and Scott Cheadle
Search and Discovery.com
... in the model that the interpolator uses. Additional considerations when sampling in multiple dimensions affect our traditional aliasing constraints, because...
2015
Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)
Mostafa Naghizadeh, Mauricio D. Sacchi
Search and Discovery.com
... to circumvent the aliasing problem. This paper, however, proposes a new methodology which successfully eliminates the requirement of randomization to avoid...
2014
Abstracts: Attenuating 2D Noise in a 3D World; #90173 (2015)
David C. Henley
Search and Discovery.com
... and least spatial aliasing, presenting the best opportunity for attenuation. Other arrangements of the input data either have much more irregular offset...
2015
High-Effort Seismic Acquisition: Improving Image Detail; #41568 (2015)
David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram
Search and Discovery.com
.... For most routine seismic surveying, the acquisition geometry is designed to sample the anticipated subsurface features without spatially aliasing...
2015
Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing
Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani
Indonesian Petroleum Association
... aliasing. The steepest inline events are in the western part of the Pedada field along the fault (Quadrants I and III in Figure 1). The steepest crossline...
1995
Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... Resolution and Accuracy ertical resolution, sampling theorem, and V aliasing Resolution-related non-uniqueness Accuracy-related non...
2011
Sumpal Fractured Basement Field, Structural Attribute Analysis and Interpretation Case Study, Workflow Management and New Insights from Pre-Stack Depth Migrated Data and Azimuthal Stacks
Yan Darmadi, John Hughes, Sugiharto Danudjaja, Rita Achdiat
Indonesian Petroleum Association
... spatial aliasing of steep dips. Furthermore, the average fold is low being approximately 40 fold (Figure 2) leading to concerns about signal to noise...
2014
Closing the loop between acquisition and processing: Data-driven volumetric SNR estimation versus acquisition design predictions
Andrey Bakulin, Ilya Silvestrov, Pierre Leger
International Meeting for Applied Geoscience and Energy (IMAGE)
... be well sampled (address aliasing) for successful imaging. A similar observation was done by Regone et al. (2015). This study suggests...
2022
Recognition of Subtle Features in Geologic Maps
J. E. Robinson, D. F. Merriam
CSPG Special Publications
.... This is the aliasing error which reaches a probable 100% at the limiting frequency. In addition to the aliasing error there is the random error...
1980
Poisson binomial-based random undersampling scheme for near-surface compressive sensing
Sayan Mukherjee, Yunyue Elita
International Meeting for Applied Geoscience and Energy (IMAGE)
... with equal probability. The jittered uniform and Bernoulli distributionbased sampling methods diminish the randomness that may result into spatial aliasing...
2022
Robust reconstruction via orthogonal matching pursuit with Fourier operators
Ji Li, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... are often poor due to spatial aliasing. Second, separating the signal from noise is hard when one works with one frequency slice at a time. This paper...
2022
Nonuniform dispersed source arrays for broadband seismic acquisition
Joaqun A. Acedo, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., but aliasing starts to appear in the frequency Third International Meeting for Applied Geoscience & Energy 10.1190/image2023-3907882.1 Page 189...
2023
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
.... Similarly, conventional f-k filtering cannot be applied easily and must be used cautiously due to spatial aliasing of the air waves (Steeples and Miller, 1998...
2017
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
... considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture...
1985
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... Summary Converted waves suffer from a low signal to noise ratio and stronger aliasing than P-waves. These characteristics are problematic when...
2015