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The AAPG/Datapages Combined Publications Database
Showing 18,799 Results. Searched 200,357 documents.
Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)
Mostafa Naghizadeh, Mauricio D. Sacchi
Search and Discovery.com
... interpolation methods using prediction filters. These methods operate in the frequency-space (f-x) domain. In both cases, low frequency data components...
2014
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... high frequency scatter and nature noises. Keywords: Curvelet, Denoise, Random Noise, Linear Noise, Steep Dip Noise. INTRODUCTION Noise cancelling...
2012
Test Analysis of a 2D Seismic Survey With Finer CMP Interval
Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli
Indonesian Petroleum Association
... to spatial aliasing and the high-density spatial sampling just eliminates the aliasing. It is well known that the low frequency of signal is desired...
2022
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
... data processing generally consists of-process geometries, static correction, filtering and velocity analysis, NMO and migration. Frequency filtering...
2017
Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
...Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015) Zhengsheng Yao...
2015
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
... of the zones of interest on the seismic section are of much lower frequency content than 60 Hz, and so returning signals are unlikely to generate aliasing noise...
1994
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
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
Design of the Acoustic Zoom Method for Non-Specular Backscatter Imaging of the Eagle Ford Formation, #41495 (2014).
J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey
Search and Discovery.com
...% coherent. Spectral whitening was applied to the vertically stacked traces to flatten the high frequency content of the acquired dataset. Power specta...
2014
Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand
David Remus, Rex Prosser
Southeast Asia Petroleum Exploration Society (SEAPEX)
... would not resolve the major problem in this area, which is fault aliasing (i.e. fault frequency is still less than line spacing). Figure 3 shows...
1992
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
... to achieve the highest resolution without suffering aliasing in order to recover steep high frequency dips A two-step migration scheme to correctly...
1995
Seismic interpolation based on quadratic denoising neural network
Yuhan Sui, Xiaojing Wang, Jianwei Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... interpolation results. Moreover, the proposed approach reduces more aliases and leakages in frequency spectrum. INTRODUCTION In seismic data...
2024
Accurate seismic data interpolation based on multiband intelligent training
Xueyi Sun, Benfeng Wang, Tongtong Mo
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Wang, 2022, An aliasing-free low-frequency pretrained model for seismic interpolation using a small training set: IEEE Transactions on Geoscience...
2023
Abstract: On Choosing Differential Operators; #90171 (2013)
John C. Bancroft
Search and Discovery.com
... filters to reduce aliasing, finite difference solutions to the wave equation, or wavelet correction when modelling with diffractions or migrating...
2013
Abstract: On Choosing Differential Operators; #90171 (2013)
John C. Bancroft
Search and Discovery.com
... filters to reduce aliasing, finite difference solutions to the wave equation, or wavelet correction when modelling with diffractions or migrating...
2013
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
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: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)
Peter Cary and Changjun Zhang
Search and Discovery.com
... based on the characteristics of the noise. Ground roll appears as low-velocity, low-frequency and high-amplitude waves which are distributed in fan...
2013
Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)
Peter Cary and Changjun Zhang
Search and Discovery.com
... based on the characteristics of the noise. Ground roll appears as low-velocity, low-frequency and high-amplitude waves which are distributed in fan...
2013
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... aliasing. Aliasing is a phenomenon in which high frequency data masquerades as low frequency energy as a result of undersampling. To sample a signal properly...
1992
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
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
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
...Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015) John C. Bancroft Datapages...
2015
Seismic data interpolation via frequency-constrained 3D inception Unet
Yen Sun, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
...Seismic data interpolation via frequency-constrained 3D inception Unet Yen Sun, Paul Williamson Seismic data interpolation via frequency-constrained...
2022