An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... are discrete samples of wavefields, excessive spatial sampling intervals can lead to aliasing noise in the PWD results obtained by conventional LRT...

5-D Interpolation Compensates for Poor Sampling, by Daniel Trad; #41504 (2014).

Search and Discovery.com

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... solutions. In addition, if the data were aliased in one spatial dimension, the multi-dimensional interpolation did not eliminate the aliasing issue...

Seismic imaging profile noise suppression based on self supervised deep learning: a case study in the Yellow Sea

Qiang Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... network to suppress spatial aliasing and random noise in seismic imaging stacked profiles. This article designs an autoencoder model, mainly composed...

Wave-Equation Migration in Mountainous Areas, by Jiao, Jianwu, Barry Newman, Stewart Trickett, Brian Link; #90030(2004)

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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...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... testing. Such an exhaustive dataset, defined as having no spatial aliasing in either source or receiver gathers, can be extremely large and the efficiency...

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... in the f-k space. (See Figure 5, on the right hand side). This folding of the f-k spectra signifies the existence of the spatial aliasing in the data...

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... of P and S waves. Like regular P-wave migration, migration aperture, amplitude weighting and migration operator aliasing are important factors...

Abstract: Reservoir Description Using 3-D Seismic Data, by M. P. Curtis; #91011 (1991)

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Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

...Multiple Aliasing Problems in Marine Data P. Chia, C. O. Kuek, P. Ward, K. S. Lee Geol. Soc. Malaysia, Bulletin 32, November 1992; pp. 247 - 260...

Improving 3D Images

Andrew Long, Constantine Tsingas

GEO ExPro Magazine

... of the subsurface geology. This goal can be achieved by acquiring seismic surveys with dense and uniform sampling in both spatial domains. This article...

Seismic Imaging of Steeply-Dipping Salt Ridges in the Mississippi Interior Salt Basin

Karl J. Kaufmann , Richard Ianniello , Oliver Carroll

GCAGS Transactions

... - because of spatial aliasing, the group interval, or more properly the CDP interval, limits the degree of steep dip that can be migrated. Line Length...

Microseismic imaging with three-component borehole sensors

Jakob B. U. Haldorsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... responsible for artifacts, normally attributed to spatial aliasing. This approach also allows using the high-quality estimates of the signatures...

Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging

Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones

Indonesian Petroleum Association

... seismic data quality. The first challenge we discuss is aliasing in the data because of the sparse source interval. The solution to overcoming...

Abstract: Cost Efficient Acquisition to Reduce Coarse Land 3D Line Spacings Through Beyond Nyquist Interpolation and Wavefield Reconstruction for Signal and Noise; #90187 (2014)

Bill Goodway

Search and Discovery.com

... statistical and aliasing limitations for key processing and inversion steps such as surface consistent statics, pre-stack migration (PSTM) and even...

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... stretch formulation or Integral/Summation (Kirchhoff-style) methods with provisions for spatial aliasing and dip constraints. Fourier transform methods...

Key Technologies for Processing of Seismic Data in Gas Cloud Area

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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...

Abstract: A Case History of a 3D Survey in the Pinnacle Reef Trend in Scurry County Texas

Howell Pardue, Steve Blaylock, Steve Jumper

West Texas Geological Society

..., such as dip and a velocity model, maximum bin spacing related to Fresnel zones and to migration aliasing will be defined. If 2D data are available in or near...

High-resolution imaging in the Campos Basin using legacy seismic acquisition

David Brookes, Darrell Armentrout, Milos Cvetkovic, Terry Johnson, Trish Sullivan

International Meeting for Applied Geoscience and Energy (IMAGE)

... comparing the legacy image (A) to the high-resolution Image (B) The acquired crossline sampling of 25 m begins to have spatial aliasing at 15 Hz...

3D Seismic from Planning to Mapping

A. Kullerud, O. Nipen, H. E. Nordberg

Indonesian Petroleum Association

... migrated section representing a constant velocity layer. As can be seen the migration algorithm has worked properly. Due to spatial aliasing...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

...Beam Migration for Imaging of Complex Structures Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki © IPA, 2011 - 33rd Annual Convention...

High Performance Seismic Data Migration for High Resolution Interpretation

C. N. Chernoff

Indonesian Petroleum Association

... from the following expression : The above expression yields the maximum spacing that can be tolerated to avoid spatial aliasing. Sine migration...

Seismic Frequency Bandwidth Constraints in Deepwater Locations

Andrew Long, Iain Buchan

Indonesian Petroleum Association

... optimal data quality. As demonstrated in a deepwater 3D seismic example from the Philippines, the use of tight spatial sampling in both the inline...